Summary of common troubleshooting methods for Win7 Operating System

Summary of common troubleshooting methods for Windows 7 Operating Systems 1. Blue Screen failures frequently occur in Windows www.2cto.com in a variety of ways, sometimes when Windows is started, sometimes some software runs in Windows. This kind of fault is generally caused by improper user operations that may damage the Windows system. This kind of fault is manifested in the failure to enter the system normally during safe mode guidance, A blue screen fault occurs. Sometimes too many fragments may cause such a fault. Once the fault is rectified, the fault may be caused by the following reasons. 1. Memory reason. Memory causes this fault, which is generally caused by poor chip quality, but sometimes we can solve this problem by modifying the delay time CAS (from 3 to 2) in the CMOS settings. If not, only the memory is replaced. 2. Main Board reasons. The probability of a fault caused by the motherboard is slightly lower than that caused by the memory. Generally, after the motherboard causes such a fault, the computer will not crash after the blue screen, and the fault occurs frequently. Only one way to change the motherboard is to do this. 3. For CPU reasons, such faults are rare due to CPU reasons, which are generally common in the CPU of cyrix. In this case, we can reduce the CPU frequency to see if it can be solved. If not, only change the path. Www.2cto.com 2. When a computer is started in normal mode on Windows, general protection errors may occur due to the following causes: 1. Memory stick causes. For memory reasons, we can change the CAS delay time to see if the problem can be solved. If the memory stick is working at a non-66 MHz external frequency, for example, if the frequency is 75 MHz, 83 MHz, MHz or above, we can try it by reducing the external frequency or memory frequency. If not, we only need to change it. 2. Bad Sectors on the disk. If the disk has a bad track, we can use the safe mode to guide the system, and then use the disk scanner to fix the hard disk error to see if the problem can be solved. If a bad track occurs on the hard disk, it may increase or damage the hard disk. Therefore, we should fix it as soon as possible. 3. Windows is damaged. This can be solved only by reinstalling the system. 4. Enable anti-virus in the CMOS settings. This type of fault usually occurs during system installation. Enabling this function after the system is installed will not cause any problems. Iii. Random crashes often occur in computers. However, due to its wide scope, it is difficult to maintain services. Now I will explain them in detail gradually. 1. Frequent computer crashes due to viruses. The computer is infected with viruses and mainly manifested in the following aspects: ① prolonged system startup time; ② some unnecessary programs are automatically started when the system starts; ③ crash for no reason ④ some garbled characters appear on the screen. Its forms of expression emerge one after another. Due to the reason of the length, we need to mention that if the virus damages some system files, the system may be unstable, in security mode, we can use the System File Checker to fix system files. 2. Due to the poor thermal stability of some components, such faults (such as CPU, power supply, memory stick, and motherboard) can be solved. We can let the computer run for a period of time and wait for it to crash, touch the above parts by hand. If the temperature is too high, it indicates that the parts may have problems. We can use a replacement method for diagnosis. It is worth noting that it is best to apply some heat-cooled Silicon grease when installing the CPU fan, but it is difficult for me to see it on some Assembled computers, silicon grease can reduce the temperature by about 5-10 degrees, especially on p iii computers. If no heat dissipation silicon grease is applied, the computer cannot work normally. I have encountered such a phenomenon once. The main configuration of the machine is as follows: 815EP motherboard, P Ⅲ 733CPU, 133 external frequency M memory, when the machine is assembled, frequent crashes, even Windows system cannot be installed normally, however, after replacing the CPU of SAI Yang 533, the fault will be rectified and the problem may occur on the motherboard or CPU. However, after replacing the motherboard or CPU of the same model, the fault cannot be solved. Later, due to the discovery that the temperature was too high, some heat dissipation silicon grease was applied to the CPU, and the fault was completely solved. Practice has proved that heat dissipation silicon grease must be applied to the CPU of more than 533 of the competition, otherwise it is very likely to cause a crash. 3. Frequent computer crashes due to poor contact with various components, especially on computers that have been purchased for a period of time. Since most of the parts are in contact with the motherboard by using the golden finger, oxidation may occur in the parts of the Golden finger after a period of time. After removing the cards, the golden finger is yellow, we can use an eraser to clean the yellowing area. 4. Frequent computer crashes due to hardware incompatibility. This is common when the graphics card is incompatible with other components or the memory stick is incompatible with the motherboard, such as the SIS video card, of course, other devices may also be incompatible. Therefore, you can determine whether other unnecessary devices, such as Modem and sound card, are removed. 5. Software conflicts or damages may cause crashes and such faults may occur at the same point. This can be solved by removing the software. 4. When the computer starts the Windows System *. vxd or other files are not found. If you press any key to continue the fault, this fault is generally caused by the failure of removing the software or the incorrect driver installation during hardware installation, you can go to the Registry management program and use its search function to delete files that are not found from the registry. 5. When guiding to the logon dialog box in normal Windows mode, click "cancel" or "OK" without any icons on the desktop. Such faults are generally caused by improper user operations and system damage. The solution is as follows: first, guide the system in safe mode, enter the control panel, and enter the "password" option, set "user configuration file" to "this desktop user uses the same desktop and Preferences", go to "network", and delete items other than "dial-up network adapter, use Windows to log on and restart the computer. 6. When I shut down my computer in Windows, I restarted my computer. I saw in a recent article on the computer newspaper that the solution was to sort out the hard disk or reinstall Windows, this type of fault is generally caused by the quick shutdown function of the Windows system when the user inadvertently or uses some software that sets the system. The solution is as follows: click "start"-"run"-"msconfig", select advanced in the "System Configuration Utility" panel, and select "Disable quick shutdown, restart the computer to solve the problem. 7. In Windows, Chinese characters are lost. After Windows is installed on the computer, other software is installed. When hard disk fragments are sorted out, the system prompts "the hard disk fragments contain errors ". After SCANDISK is used for restoration, the fragment truth cannot be used. When I enter the Windows attachment, I find that the Chinese characters are missing. After checking that there is no virus, check the SCANDIDSK. LOG File and prompt "the folder C: \ Windows has been damaged .........". According to the above fault, Chinese characters garbled in Chinese Windows are mostly caused by the loss of Chinese character display content in the registry. Open the Registry Editor (Windows \ REGEDIT.. If there is only one "default" line and no other content, it indicates that the relevant Chinese character display cannot be defined, which is the reason why Chinese characters are garbled. You can fix the issue manually. (1) Click Start and select Run ". (2) In the "run" dialog box, type regedit and click "OK" to open the Registry Editor. (3) expand my computer \ HKEY-LWCAL-MACHINE \ System \ current Control Set \ Control Fontassoc to see if there is a "Aossiated Char Set folder icon under, in the right bar of the window, ANSI (00) "Yes" GB2312 (86) "Yes" WEM (FF) "Yes" SYMBOL (02) "on" will be added as follows: in the edit \ new menu, click "string value", type ANSI (00) in the text box that appears in the right column, and double-click the text box. In the displayed dialog box, type "Yes" and click "OK". The other added content is pushed accordingly. (4) follow these steps and click the Associated Default Fonts file icon. The following content is added to the right column of the window: assoc System Font "Simsun, ttf" Font Package Decorative "" Font Package Dont Care "fon” Font Package Modern" fon” Font Package Roman" fon” Font Package Script" fon” Font package Swiess "" (5) if there are no keywords for "Associated Char Set" and "Associated Default Fonts", in the Fontassoc folder, click "primary key" under the edit \ new menu ", then, in the text box that appears, type the above two line keywords, and add the listed content according to step (4. (6) Shut down the system and restart the computer. 8. In Windows, the printer cannot be printed. When the printer is in good condition, the user enters the DOS Status (pure DOS) first ), enter the dir> prn on the command prompt line or press the "Print screen sysrq" key on the keyboard to check whether the printer can Print. If not, you can generally judge whether the Print port or cable of the motherboard is faulty, however, according to my experience, it may be related to the print port mode in the cmos settings (usually Ecp, Epp, and Spp). Users can switch the test accordingly, and there is a special case, when the print port is damaged, it can be printed in ucdos or Windows, but it cannot be printed in the above detection method or in, this can only be solved by adding a multi-function card (the IDE, com, and print ports on the main board must be shielded after the multi-function card is added ). If printing can be performed in Dos, follow these steps: ① In Windows, go to the control panel system properties to check whether the printing port LPT1 exists, if you do not have access to the control panel-add new hardware, search for new hardware, and then add the printed ports. ② If the driver is correctly installed, reinstall the printer driver. ③ Check whether the disk where the system files are installed has sufficient space. If the disk space is insufficient, a message indicating insufficient memory is displayed. You only need to remove some software. ④ The computer may be infected with viruses. 9. When running an application in Windows, a message indicating insufficient memory may be prompted due to the following reasons: ① insufficient disk space, as long as some files are deleted. ② Multiple applications are run simultaneously. ③ The computer is infected with viruses. 10. All printer characters are garbled in Windows. This type of fault is generally caused by incorrect installation of the printer driver or incorrect configuration of the parallel port mode. The solution to the first problem is relatively simple, for example, in the second case, you can change the parallel port mode after entering the Cmos settings and test the mode one by one (Ecp, Epp, and Spp ). 11. When you run an application in Windows, the following error occurs: ① The system file is changed or damaged. If this occurs, an error occurs when you open some built-in programs (for example, open the control panel ). ② The driver is not correctly installed. Such faults are generally manifested in the graphics card driver. If this occurs, a prompt indicating illegal operations will be generated when some game programs are opened, the author has also encountered a special phenomenon caused by this, and sometimes prompts of illegal operations when opening some webpages. ③ Memory stick quality is poor (sometimes increasing the memory Delay Time will change the default value of 3 to 2 to solve such faults ). ④ If the sound card driver is not installed during the running of the program, such faults may also occur. For example, if the sound card driver is not installed, illegal operation errors may occur during the running. ⑤ Software is incompatible. For example, IE5.5 is installed on the second version of win98 system. When IE opens multiple windows at the same time, an error message indicating invalid operations may occur. 12. After successful dial-up, you cannot open the webpage. If such a fault occurs, you are prompted to fail to open the search page. Such faults are generally caused by network configuration problems. Go to "Control Panel"> "network", delete all items other than the dial-up adapter, restart the computer, and then add microsoft "TCP/IP protocol" to restart the computer. 2. Some websites that can be accessed cannot be accessed for a long time. If a user does not specify a local IP address for a MODEM, such a fault may occur. You can enter the MODEM settings and specify a local IP address for the MODEM. For example, the IP address in Hunan is 202.103.96.68. another possibility is that the user has been optimized using software. You can also reinstall the Network option or restore the Registry as described above to see if the problem can be solved. If not, the author's experience can only be solved after the system is re-installed. 3. In Windows IE browser, to restrict access to certain internet sites, you can enable "hierarchical Review" on the "content" page set in "internet" on the "control panel ", users can restrict different content levels. However, when we browse a page containing activex, a Password dialog box will always show asking us to enter a password. If the password is incorrect, we will not be able to see this page. After the password is forgotten, the user cannot view it normally. The solution is to delete the password by modifying the registry. The method is as follows: Open the Registry Editor and find HKEY_LOCAL_MACHINE \ Software \ microsoft \ Windows \ current version \ policies \ ratings. the encrypted password is stored under this sub-key. After the sub-key ratings is deleted, the IE password is removed. 13. The failure to start such a fault after 3DMAX is properly installed is generally caused by incomplete Windows System File Installation. In Windows, the following files are usually installed less normally: vdd. vxd, vcomm. vxd, vmouse. vxd, vflatd. vxd, vdmad. vxd, configmg. vxd, ntkern. vxd, we just need to add it in, the method is as follows: Click start -- program -- attachment -- system tool -- system information, then click "tool" -- System File Checker, select the extracted files from the installation floppy disk and enter the files mentioned above in the blank column. After extraction, the fault can be solved. 14. The computer automatically restarts such faults in the following aspects: Such faults occur when the system is started or after the application has been running for a period of time. This fault is generally caused by poor thermal stability of the memory stick or unstable power supply. Another reason is that the CPU temperature is too high. There is also a special case where the Windows system sometimes fails during boot due to a conflict between the driver or some software.