Computer Blog

I believe that manyComputerUserClearly, in the hot summer months, heat and noise never seems difficult to live in harmony. Chassis noise how to do? If you do anything at this time to face the noise, then look at our uniform noise. “Unique skill”: Will create a soundproof enclosure play space inside the chassis to maximize absorption and noise barrier to achieve the purpose of reducing noise.

Noise reduction principle
I was two years before the computer configuration, CPU and graphics card are using Intel P4C 2.8GHz and ATI Radeon 9600 Pro 128MB. To mute the effect of the radiatorChooseThe ZALMAN (think China) 6500B-CU and ZM80A-HP (Figure 1), their relatively low operating noise. In addition, Antec TruePower 380S power is not “noisy.” However, two PATA hard drives inside the chassis and a SCSI hard disk noise problem has notSolve。
Maybe a lot of friends will be questioned, the face of a chassis need ventilation space, how to build a relatively closed box “sound room” mean? The answer is closed properly handled and the rational use of sound-absorbing cotton. Sound-absorbing cotton was firstApplicationIn audio equipment, as a means of sound regulation. Now, some high-endCarIn the design of the car stereo, the use of sound-absorbing cotton to produce the effect of noise has become an integral part.
In the computer field, there are some sound-absorbing cotton manufacturers learn the car’s design,DevelopSome specific products, currently in the country can buy AKASA theProfessionalSound-absorbing cotton PAX.MATE (Figure 2), and our transformation from its start.

Sound-absorbing cotton posted
First of all the chassis parts are removable, two inside the chassis side, top and bottom pasted most of the area is ideal for sound-absorbing cotton. The face of a large area of ​​flat space, we just cut out the right size sound-absorbing cotton, up one on the line.
AKASA the PAX.MATE absorbing cotton design with a single-sided self-adhesive stickers, sticky layer as long as the tear resistance, directly to the chassis can be posted. Note that when the self-adhesive stickers do not rush, starting from the side, align the pressure slowly to ensure good sound-absorbing cotton affixed to the inner surface of the chassis (Figure 3).
Addition to the larger side and up and down the plane part, the author of the Antec Sonata case the same hard drive and optical drive sound-absorbing cotton paste, but paste these parts of the sound-absorbing cotton, the need to hard disk and optical drive screw holes on the sound-absorbing cotton appropriate hollow.
Installation of fan
I will be the chassis number of larger flat surface area of ​​PAX.MATE are labeled AKASA sound-absorbing cotton, and finally the motherboard, CPU coolers, video card, hard drives and other accessories eleven Replace the computer. Close the computer cover, the author on the backplane of the chassis is also fitted with a 12cm fan (Figure 4), and speed control panel with a ZALMAN (Figure 5).
This is mainly taking into account the internal chassis sound-absorbing cotton affixed after cooling the chassis will have some impact, so the appropriate use of low-noise fan to enhance air circulation within the chassis to improveSystemOverall thermal performance. Meanwhile, 12cm fan speed controller adjustment after almost no noise.
Conclusion
After some transformation, inside and outside the box is close to two isolatedWorldBecause when closing the chassis side after previously aware of the hard drive is easy to sound almost hear it now. I use the decibel meter 10cm away from the chassis where the test noise, measured noise control in the case of the level of 30dB (like a soft-spoken), the effect is very significant. Of course, if more cooling holes on the chassis, the effect of that transformation may be less obvious.
Currently, AKASA sound-absorbing cotton in the country of PAX.MATE more readily available. The cost, this Sonata case of PAX.MATE spent two sets AKASA sound-absorbing cotton (each is two, 500mm × 450mm), spent less than 100 yuan, so the transformation is suitable for those chassis noise requirements are very high players.

Filed under: PC Maintenance by admin on Wednesday, February 1, 2012
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Time is actually the birth of this service can not be verified, there is no need to explore, its meaningless. It can be said, from the moment of birth of the Internet, VIP membership that began in the mode of existence, the Internet is to serve both the middle of the carrier platform. Here I talk about the VIP membership site, primarily to provide services for individual users website. Usually two ways to classify, namely the provision of information services, typically from the Chinese, worry-free test network (the earliest in the civil service examinations, English language learning website), the examination 163 (the earliest in the …

What is VIP?
VIP is very import person’s initials, a very important meaning for Chinese people, which means VIP member.
VIP membership-basedWebsiteThe profit model is very clear, is to want more service members obtain certain services.
VIP membership birth time?
VIP membership time is actually the birth of such a service can not be verified, there is no need to explore, its meaningless. It can be said, from theInternetThe moment of birth, VIP membership that began in the mode of existence, the Internet is to serve the two sides in the middle of the carrier platform. Here I talk about the VIP membership site, primarily to provide services for individual users website. Usually two ways to classify, namely the provision of information services, typically from the Chinese, worry-free test network (the earliest in the civil service examinations, English language learning website), the examination 163 (the earliest in the vocational qualifications in counseling site ), and to provide technical services, more outstanding is blogbus, discuz (discuz I usually put him classified as a VIP membership site, even though he is nowSoftwareProvided free of charge, but its services or to charge)

Let’s talk about their primary mode of service.
(1) from the Chinese, the site is an intermediary platform, service users both sides, somewhat similar to the industry Web site C2C, and worry-free test network and test 163 is similar to B2C, the party is the site to provide services, the other naturally Internet users had.
(2) blogbus, discuz these two sites are the service providers, as they provide technical services, a friend to say BLOGBUS BSP is to provide services, in fact, technical services.

Now we begin to analyze their current situation
(1), but to see ALEXARanking, The current ranking has reached 127, operating conditions is a good thing, even the listing of rumors. From the Chinese can actually look at a typical web2 website; worry-free test network, test the current alexa 163 were out of 100 million are outside. Although alexa is not really true, but still a little from the side that were the problem, and I also learned from other sources, the latter two currently operating indeed experienced a trouble.
(2) blogbus.discuz in the rankings largely unchanged, and no indications of operational problems on the contrary to be a burst of applause, there are indications that these two sites should be walking in the road to success. Ranking changes What that name? At least that is what I inferred. Worry-free test network, test 163 sources of information because of its relatively simple: Web is the information provider, the typical web1 Xing Wang Zhan, it is easy to copy, leading to the market is too saturated, and even the last flood, in other words, this site is the main provider of information to put the VIP site can not stand the market test. Conversely if the full power of Internet users, the site only information service platform for both sides to create web2 web-based information services VIP, it is more promising, even in the face piracy, and its compression capacity than a single type of site strong web1 . The technical service website to do, as long as the market opened, upgrade technology in a timely manner, to provide appropriate support to form a user-dependent, in general, this type of website is very easy VIP successful, piracy is not easy.

Conclusion

I think that if the system to do VIP site, the site should do WEB2 type, WEB1 format, a dead end, Internet piracy is the biggest bad hand; technology services to VIP class website, as long as you have needs that users of technology services, You do it boldly, the money will be presented step-like gold into your pockets.

Filed under: Internet by admin on Monday, January 9, 2012
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In the “Run”, type “CMD” open “command prompt” window, enter: “CONVERT F: / FS: NTFS”, which “F:” isPartitionLetter (keep a colon), “/ FS: NTFS” is to specify the partition to NTFS format.
Originally thought that soon you can get, but there is some accident, as shown in Figure 1, the conversion failed! There are inconsistencies in volume, required to run CHKDSK disk checking tool. That being the case, it is required to run the CHKDSK command. First run “CHKDSK /?” View help for that command, learned from the parameters “/ F” is the “repair disk errors”, “/ R” is “to find incorrect sectors and recovers readable information (implies / F) “. Since the “/ R” hidden “/ F”, it directly “/ R” parameter on it. Figure 2, run “CHKDSK F: / R” to check and repair the F disk.
In addition to this DOS mode using the CHKDSK repair the disk, you can also use the WIN window mode, the need to repair the disk right click and select “Properties”, in which the “Tools” option in the “Troubleshooting” of this feature, click “Check” in the open “Check Disk” window, check the “Automatically fix fileSystemError “and” Scan for and attempt recovery of bad sectors “, as shown in Figure 3, the same can check to repair the disk.
Check the time spent repairing the disk files according to the number given, but also good friends in the disk file is not too much, seven or eight minutes to check and repair is complete, then re-run “CONVERT F: / FS: NTFS”, as shown in Figure 4, a successful conversion.
Friends see me use these two commands to convert the partition format, very excited, to wrest the initiative from me, to keep him all to NFTS disk format … …
Two, NTFS FAT32 transfer
The next day, at dawn, a friend’s phone to greet me. He had installed a dualSystemWIN98 and WINXP, all the heat of the moment yesterday, the whole partition to NTFS, the WIN98 when you want to enter, they find has to die, because the days too late, not the nerve to bother me, you own the Internet to find information, do not know WIN98 support the NTFS format, this is not Tianyi out on to SOS, and asked if he could to convert NTFS partition to FAT32 and then format.
Turn NTFS FAT32, I’d never heard of this, to prevent their own out in front of friends were, put on a do not care about the tone: “No problem! I stopped for a go.” Put down the phone, quickly turn the Internet, I also impatient ah! OpenBaidu, The search for relevant information FAT32 NTFS turn. Quickly find the one, that is to use XPInstallationDisk during the installation process, you can convert FAT32 to NTFS format format. Use the installation disk, but also time-consuming too much trouble, this not, PASS! Also see some information on using PQ Magic, but there are objections, PQ partition in the conversion, the Chinese do not support, it seems that the PQSecurityPerformance is not too high, temporarily PASS! Next, they find a data, “Paragon Hard Disk Manager”SoftwareCan be easily and safely change the disk partition format random, and support sub-regional Chinese documents, it appears that this is worth a try!
Down a “Paragon Hard Disk Manager 6.01.847 finished version” option by default installed in the machine, after running the interface shown in Figure 5, Look! A lot of features! But conversion is a partition format? After some exploration to find the partition format interchangeable way.
First in the “Paragon Hard Disk Manager” window, locate the disk partition format conversion, such as the M drive, right click on it and select “Edit” menu in the “conversion” in the open “Convert” window, the “converted” in the type as “FAT32″, as shown in Figure 6, and then “OK” to return to the “Paragon Hard Disk Manager” window, then click on the toolbar and then “Change” button to open as shown in Figure 7 “Pending Changes” window, click the “Apply” to start converting a partition types. With the progress bar continues to refresh, and soon put the NTFS format to FAT32, and as shown in Figure 8, successful conversion.
Given the currentSystemWould still have the old disk information because, from the NTFS partition to FAT32 format though already, but the disk properties in the open window, as shown in Figure 9, display or NTFS, but as long as the restart, the display type on the change over the . Although the show is NTFS, but the option is less specific to the NTFS format “safe” and “quota” two shows that have a FAT32 partition formats.

Filed under: Computer knowledge by admin on Saturday, November 5, 2011
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By holding down the Ctrl key, and then click to select the file in turn, in such operation, such as a mouse click on the slightest mistake could easily lead to poor location choices made will disappear, only to re-select start all over again, very complicated, and I believe that many Friends have had a similar experience. Windows Vista, Explorer was such need to select multiple files or folders of operation provides a new option in Explorer provides a new feature: a selection box (Checkbox) to choice, although the method used to use Ctrl …

Text: ComputerKnowledge, such as in the previous version of WindowsWindows XP, To the resource manager to select multiple files or folders, only two options:

1, if the file in Explorer, the arrangement is continuous, you can use Shift + down arrow key to select;

2, the arrangement is not continuous if the file is only by holding down the Ctrl key, and then click to select the file in turn, in such operation, carelessness, such asMouseClick on it could easily lead to poor location choices made disappear, only to re-select start all over again, very complicated, and I believe that many friends have had similar experiences.

Windows VistaThe Explorer was in such need to select multiple files or folders operation provides a new choice in the resource manager provides a new feature: You can use the checkbox (Checkbox) to select, Although the method used to use Ctrl when friends may not fit in the first such operation, but once the adaptations will find it easier and more flexible, especially the Ctrl way to avoid the kind of weakness of a little attention will come to naught .

Enable Explorer check box feature

Explorer check box feature is off by default, but to enable it is relatively simple, the following steps:

First, open the “tools (tools)” menu, select “Folder Options (Folder Options)”; Note: In Windows Vista, the vast majority of window menu bar are hidden by default, and not to see the menu and thought Windows Vista, cancel the menu ah, ^ _ ^ Just click the Alt key to activate the menu.

In the “Folder Options” window click on “View (View)” page;

In the Advanced Settings, scroll to the bottom of the pull, you can see the “Use the check boxes (Use check boxes)” option, check the;

Finally, click OK to complete the set.

Of course, set up, need to close the open window and then re-open to enable the feature.

Filed under: Computer knowledge by admin on Friday, October 7, 2011
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July 2 this year, the global giant Seagate hard drive in the Chinese market solemnly reaffirm, on the Barracuda 3.5 series Barracuda7200 and BarracudaGreen, Flying Fish 2.5 series Momentus7200 and Momentus5400 after-sales warranty, the same two-year renewal of the commitment . For a time the market has won in every of the applause, from the total generation to the dealer until the average consumer, you have praised the Seagate warranty policy wise and decisive for the hard-sales warranty set a benchmark.

Seagate reiterated that the new policy after a lapse of more than a month after the hard part of our distribution practitioners, as well as some hard drive users launched an investigation to understand their reaction. The information collected on the market reflects the majority of people are taking Seagate’s warranty policies and welcoming attitude. A distribution of hard disk drive business nearly 10 years of market authorities told us that 2-year renewal of the warranty to dealers and consumers to bring the convenience and confidence. First of all, for dealers, the two-year shelf life, Seagate provides a unified new ones in the future after receiving the user’s failure to submit the hard disk, as long as the test to confirm whether the hard drive under normal use fails on it, eliminating the difference between the failed drive are for new products or for yield of trouble. Similarly, the consumer in the warranty period, hit hard in normal use, failure, even bother to consult the figure around or are new ones for yield trouble, as long as they meet the warranty conditions, in exchange for a can from Seagate and 100% of the new disc, on which the warranty is generous benefits to consumers.

Of course, the industry have acknowledged that two years of full renewal of the warranty policy for manufacturers, the need for the quality of their products have very good self-confidence, because it provides one more year than any other manufacturer, That is more than double the time for new services. If the quality is not up, failure rates remain high, and that new manufacturers for this link, will suffer significant loss of gross profit. Therefore, we can see, Seagate for their product quality control and failure rates, or have full confidence.

We know that the key indicators to measure the quality of the hard disk is hard disk failure rates. Over the years, Seagate in the Chinese market, has maintained a return rate is far lower than the opponent’s record, especially in the quality of the hard disk has a higher area requirements of industry, Seagate different kind of quality, reputation among users already have a .

Quality depend on the strength, speak louder than words. Seagate’s excellent quality, reliability and outstanding performance in practical application, which is why Seagate is the courage to provide today’s hard drives up to 2 years warranty on the market promise of the prime reasons.

Smart consumers are certainly also have sufficient knowledge in their own hard drive to buy, when to make the right choice.

Filed under: Hard disk by admin on Wednesday, August 31, 2011
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The beta is only to more than 10,000 developers and testers. It is reported that the beta version includes a newly developed user protection, different levels of users will be given different permissions. It also incorporates data protection technology, which reduces the data is the risk of unauthorized access. In addition, Vista also integrates a beta version of Microsoft’s IE 7.0 browser and firewall. Windows XP SP2, the firewall is a single entry firewall and Vista firewall is two-way firewall. The test version of …

Microsoft Wednesday released a new generation of operatingSystemWindows Vista(Longhorn) first test version is currently only available to programmers and technical staff.

According to the Associated Press reported, Windows Vista Beta 1 does not contain all the features of the final version, but limitedSecurityAnd management and other basic features. Currently, the beta only to the more than 10,000 developers and testers.

It is reported that the beta version includes a newly developed user protection, different levels of users will be given different permissions. It also incorporates data protection technology, which reduces the data is the risk of unauthorized access.

In addition, Vista also integrates a beta version of Microsoft’sBrowserIE 7.0 and firewall.Windows XP SP2′s firewall is a single into the firewall, and Vista’s firewall is a two-way firewall.

The test version of the other features include fast start and improved “sleep” state.

The original plan, Microsoft will launch the end of the second beta version of Windows Vista. By then, the second beta will be open to more users.

In fact, Vista’s first beta release some time earlier than originally planned. Microsoft said last week that will be released August 3, the first beta. The final version will be launched on schedule in the second half of next year.

Filed under: Firewall ‎ by admin on Monday, August 1, 2011
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An integral part of living, new problems came, blind pursuit of cost is a result of body weight of unscrupulous people on the shoulder in the beat, or “pole effect.” With common sense knows that notebook, price and portability are the positive and negative propositions in the field notebook, never confrontation between them and could not live in harmony, even if the country in its efforts to promote a harmonious society. There are a lot of mobility requirements of the user, the first notebook in the eating, while the price they are nothing but sweetness of enduring the “pole effect” …

NotebookComputerHas already spread to the conference room in this era, business people take laptops to demonstrate the PPT and the electronic version of the meeting; the laptop has spread to the classroom this age, students with a laptop or even read data in the open-book exam.

As laptops are becoming an integral part of life, new problems come up, the blind pursuit of cost is a result of body weight of unscrupulous people in the beat of the shoulder, or “pole effect.” With common sense knows that notebook, price and portability are the positive and negative propositions in the field notebook, never confrontation between them and could not live in harmony, even if the country in its efforts to promote a harmonious society.

There are a lot of mobility requirements of the user, the first notebook in the eating, while the price they are nothing but sweetness of enduring the “pole effect” side effects. So they began to select only the second exists for the portable machine, but most of these machines have a feature that is notCD-ROMDesign! Looking around in the market, with no optical drive for notebook portable machines are usually representative of their very light weight, performance is not sloppy, although the price high above, but still get a lot of can not stand “pole effect”, the pursuit of mobile and strong notebook users.

I have many friends to use the notebook with no optical drive, but the problem here, need to reinstallSystemWhen no optical drive, how to do? Perhaps you will say next in the dosHard diskInstallation, But there are a few people will use dos?

In fact, not only with no optical drive for notebook users to worry about how to loadSystem, Those who do not drive desktop users worry. In order to provide convenience to such users, the author today to explain, in the absence of drive, how easy and fast installationSystem。

U can start a computer disk and a CD-ROM system image

The installation system, you need to prepare something. One is the operating system image, the other is to start the U-disk. Here we explain how to install deepin version of the XP system.

Filed under: PC Maintenance by admin on Friday, July 1, 2011
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Today, developers continue to develop and deploy using the LAMP (Linux ®, Apache, MySQL and PHP/ Perl) architecture applications. However,ServersAdministrators often the application itself there is no control, because the application is written by someone else. The three-part series of articles will discuss the many server configuration issues, these configurations will affect application performance. This article is the third part of this series is the last part will focus on achieving the highest efficiencyDatabaseTuning layer.

About MySQL tuning

There are 3 ways to speed up the MySQL server, speed, efficiency from low to high as follows:

Replace the hardware in question, MySQL the process of tuning the settings, the queryOptimization。

Replace the hardware in question is usually our first consideration, mainly because the database takes a lot of resources. However, this solution there was to that. In fact, you can usually make the central processing unit (CPU) Or double the speed of the disk, but also allowsMemoryIncreased 4 to 8 times.

The second method is to MySQL server (also known as mysqld) tune. Tuning of this process means that the appropriate allocation of memory and will be subject to mysqld to know what type of load. Accelerate the speed of the disk as the disk to reduce the required number of visits. Similarly, the process to ensure proper operation of MySQL means that it takes time to query the service is greater than the cost of dealing with background tasks (such as dealing with temporary disk tables or open and close the file) on time. Mysqld tune of the focus of this article.

The best way is to ensure that queries have been optimized. This means that application of the appropriate index table, the query is to take advantage of MySQL functions in accordance with the way written. Although this article does not include query tuning aspects of the (many works have been discussed for this topic), but it may need to configure mysqld to report to tune the query.

Although these tasks have been assigned to the order, but still have to pay attention to the settings in order to facilitate hardware and mysqld appropriate tuning queries. It when the machine is slow, I have seen very fast machine running well-designed query failed because overloading, because a lot of busy work mysqld is not occupied by the service query.

Slow query log

In a SQL server data tables are stored on disk. Provides an index server to find specific data in the table line method, rather than search the entire table. When it is necessary to search the entire table, it is called a table scan. Generally, you may only want the table a subset of the data, so a full table scan will waste a lot of disk I / O, therefore, will waste a lot of time. When the data must beConnection, This problem becomes even more complicated, because both ends of the connection must be multi-line data for comparison.

Of course, the table scan does not always cause problems; sometimes read the entire table rather than part of the data selected from more effective (in the server process the query planner to make these decisions.) If the index of the efficiency is very low, or simply can not use the index, it will slow down the query speed, and with the load on the server and the table size increases, this problem will become more significant. Execution time over a given time range is called the slow query query.

You can configure mysqld to the slow query log to the appropriately named slow query log. Administrators will look at this log and then to help them determine which parts of the application need further investigation. Listing 1 shows the need to enable the slow query log are made in the my.cnf configuration.

Listing 1. Enable the MySQL slow query log

[Mysqld]; enable the slow query log, default 10 secondslog-slow-queries; log queries taking longer than 5 secondslong_query_time = 5; log queries that don’t use indexes even if they take less than long_query_time; MySQL 4.1 and newer onlylog- queries-not-using-indexes

These three settings, the system can record more than 5 seconds and the execution time does not use the index query. Please note that the log-queries-not-using-indexes of warning: You must use MySQL 4.1 or later. Slow query logs are stored in the MySQL data directory, named hostname-slow.log. If you want to use a different name or path, you can use in the my.cnf log-slow-queries = / new / path / to / file for this purpose.

Filed under: PC Maintenance by admin on Tuesday, June 7, 2011
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Introduction to the second computer network:Years, but never had the system for maintenance. Therefore, there is often in use to this or that fault, or even cause system crashes. I have a lot of troubleshooting computer users, and the causes of many to pay attention to maintenance of peace created by the computer. Currently, most computer operating systems are installed WinXP, compared to …

Is In useComputerMore and more people, but there are many users focus only on the use of computers, while the lack of the necessary maintenance of computer awareness. Some computers have been used for a year or even two years, but never OnSystemMaintenance before. Therefore, there is often in use to this or thatFaultEven causeSystemCollapse. I have a lot of troubleshooting computer users, and the causes of many to pay attention to dimensions usually Protection caused by the computer.

Currently, most of the computers are installed WinXP operatingSystem, Compared to the previous Win98, the operating system, like a lot. In fact, a computer system can function properly, can effectively use the External resources to achieve efficient and reliable, in large part dependent on the system maintenance work is good or bad. Under normal circumstances, the emergence of various problems in the chain. Once there is a problem somewhere in the absence of timely corrective Is, it may spread to other areas, and sometimes even cause system crashes. Therefore, regular maintenance of computer systems is necessary.

Maintenance of large computer systems, but several aspects of the following do you have to ensure the normal operation of your computer systems with ease.

First, master the use of system optimization

NowPCADSL Internet access is generally used, so the more junk files after the Internet, usually download and install some files, resulting inRegistryBloated, etc., so it is best to run a registry clean up every week and clean up junk files. This makes the system always in good running condition.

Second, the Disk Defragmenter

When we write the file to disk, it will be placed in the file can be found in space. As we continue to delete and write files, so that after a certain period of time, a single piece of paper will be the East, West, everywhere a Is that this debris is formed. Although the debris will not cause system crashes, the system knows where each part of the file. But the debris is the time to read the file will be extended, thus creating the system slowed down. Therefore, the proposed You defrag once a month to ensure the normal operation of system speed.

To do: Open “My Computer” , The need to defrag the drive (partitions, such as C:) Right click the list of commands in the pop-up select “Properties” in the Properties window, select “Tools” tab, then select “Defragment”, click “open Before finishing, “open” Disk Defragmenter. “Click” Analysis ” The system will analyze the need for consolidation of the Division. If the results do not finish, I suggest to the smooth operation of the system, or the order as well. If the analysis concluded that the need to tidy up, then be honest Finishing. Click “Defragment”, then, you can see the program to scan a cluster of a cluster process. Consolidation will take some time, so it is best you choose to spare a little time to organize. The same way, on the other Need to sort out the partition order. This will greatly improve your computer run faster. Note that, during fragment processing, the system will copy the file to disk free space, and then erase the data in the original location Capacity. So run the program, you must have the remaining disk space, otherwise, this program will not run down.

Third, the installationAntivirusSoftware

Invasion of the virus could cause a system crash, or even cause data loss, it is necessary to install antivirus software. Current antivirus software more, such as Jiangmin KV series, Kaspersky, Rising, Kingsoft Internet Security, etc., I That Jiangmin KV series is a very good anti-virus software. Even if the CIH virus is not activatedHard driveCan also use the F10 function to repair the software. The software can also rise anytime Level. Convenient online upgrade, and even can be said that intelligence. As long as you access the Internet, when the system detects when the upgrade information will be automatically upgraded. In addition, the software can monitor real-time virus and killed instantly when a virus is found in addition. So as to effectively prevent the invasion of the virus, ensuring the systemSecurity。

Now, thanks to the widespread use of U disk, followed by a make autorun.inf (U disk parasites) virus flooded. autorun.inf files are generally found in the root directory of U disk Next, it can spread itself through the U disk, extremely harmful, not only affect the user’s computer system and may cause large-scale spread of the virus and so on. Prevention approach: in the root directory of a named autorun.inf folder. Because Windows provides in the same directory, same name files and folders can not coexist, so the virus can not create a autorun.inf file, which Double-click the drive letter so that you can not run the virus.

Fourth, have a good operating environment

This does not seem to belong to the scope of system maintenance, but it is indeed the normal operation of the system has a very important relationship. I ruled out in the user computer failure, some failures are not looking to use the environment Cause. Air pollution, dust and more, the machine filled with a thick layer of dust, smoke, etc. in the room, causing physical damage to the hard drive, not your computer. Therefore, in order to make your computer run freely, you must give it A good operating environment.

Filed under: PC Maintenance by admin on Monday, May 16, 2011
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Introduction to the second computer network:s7 new memory management mechanism “Superfetch” introduced to us so that we understand the reasons for Windows7 large memory footprint. What are the different memory management Windows 7 “Superfetch” is not a new technology, the era has begun using Vista, but the view of the relatively small number of people have used Vista, and XP computer skills in a variety of age has always been popular, so many people are in doubt why Windows7 memory …

ForWindows Vista, Windows7 ofMemoryUse, many people there are misunderstandings. Most users upgrading from XP are that:SystemIdle free memory should be better. By the age of 7 (more accurately be said to be after Vista), this change in the concept of the delays still remain in our memory. So in this new memory management mechanism to Windows7 “Superfetch” introduced to us so that we understand the reasons for Windows7 large memory footprint.

What are the different memory management Windows 7

“Superfetch” is not a new technology, the era has begun using Vista, but the view of the relatively small number of people have used Vista, and XP all the timesPCTechnique has also popular, so many people are in doubt why such a large memory footprint Windows7.

Superfetch memory management mechanism will be used in applications that the user pages of memory space available by pre-loading; as much as possible to avoidSystemTakes place fromHard drivePage call; let the application open the fastest pace; not dueComputerUse of idle time leaving suddenly become slow to respond; to quit after a large application before the initiative will be forced to transfer to the virtual memory page re-transferred to the memory of them. This may seem professional point, so read on, would do well to understand these characteristics.

Why is the first time will feel very slow start the program?

I believe we have had a similar experience. When I boot, the first time you run a program, for example, it is the Word, may take 5 seconds to start. When I close and then open, perhaps only 2 seconds. If I do not close a Word file directly to open another, then faster. What causes it?

When we start, the working set which is not the Word staff (pages), he still at home (hard drive) inside. So when I called him when it did come from homeOfficeRoom (working set). This process is called hard-paging, and of course, require a long time. And when we closed the Word, he was sent to the building to another room, I immediately called him again, this time, the data in yet another room is cleared, he would not have come from home, and is introduced directly from the data structure inside it. Word does not close the process in the case, he would not have time to make way for other programs, it also exists in the office (working set) which, when he would call more quickly. Such a “no re-call data from the hard disk, but the data page structure to work to re-focus mount” process, it is called soft tone pages. We all know that memory is much faster than hard drives, so the “soft tone page” is the second run the program to use to become quickly why.

Windows 7 memory footprint Cause

Now we know when the memory pages have the necessary time to make the program starts faster. The Windows7 the “Superfetch” already has a learning function, since the first use of Windows 7,, Superfetch to start recording our habits, we often use the program ahead of schedule after the page loads in the boot, then when we When first opening the program can be the same as the second opening speed. So these pages will be pre-loaded memory footprint allows us to change much. Simply is to make all programs operating in memory to avoid the use of hard disk space for paging, which is why the feeling takes a lot of memory Windows7 reasons.

View pre-loaded memory

Times in XP, you may have had a similar experience: When to start using some of the procedures, due to something left. Came back to find the system response is very slow, particularly bad. This is due to XP’s memory management efficiency is very low.

When we left, the program is not in use. Then the system of some background programs, such as disk defragmentation,AntivirusSoftwareSo the program will “full speed”, leading to some of the procedures we use have relegated to the pages of virtual memory disk. But when these procedures are completed tasks background, XP will not be before the system pushed to the virtual memory page back into memory. So in another computer, the system will be a rush for the temporary deployment, and even the hard-paging. Causes the program to respond very slowly. XP looks so much free memory, in fact, did not play any great role.

Windows 7 by the proposed

Anyone hopeOptimizationMeans to make their computer running at optimal condition, and the memory of the computer speed is a very important factor, we understand the memory management mechanism Windows7, again introduced to the system which methods can be accelerated.

Filed under: Memory Introduction by admin on Monday, April 25, 2011
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