Do-it-yourself troubleshooting of Windows 7 system common glitch

Compared with XP, Windows 7 has greatly improved the usability and security, so many friends are using Windows 7, but the system has been used for a long time, so the problem is also Following this, here are a few classic Windows 7 operating glitch and troubleshooting tips, which are representative for your reference!
Unable to install software
When you install software under Windows 7 (for example, install When the extension is called msi software, it often happens that the software cannot be installed. Even if you restart the computer, you cannot install it. To eliminate such a fault, you can use the following methods:
Step01, click the Start menu in Win7, and enter cmd in the search box. The system will automatically find the cmd.exe program, then right click on the program, then pop up a menu, select "Run as system administrator" to open a command prompt window.

▲Run
Step02 with administrator privileges, enter the following command in the command prompt window:
reg delete HKLMSOFTWAREMicrosoft
SQMClientWindowsDisabledSessions /va /f
This command is to add Trusted Installer permission to your current Win7 login account. If the account does not have Trusted Installer permission, it will fail to install the software. Therefore, after adding this permission, restart the computer to install the software.
Software shortcut icons are missing.
Windows 7 has a lot of software shortcuts on the desktop. Under normal circumstances, they all have a nice little icon. If you installed some optimized cleaning software, these are on the desktop. The software shortcut icon will be missing. Even if you right click on the software shortcut, click “Change” in “Shortcut Properties”, you can't recover those lost icons. The following methods can help you find the software shortcut icon.

▲Software shortcut icons are missing
Step01, click on "Start" → "Control Panel" → "Appearance and Personalization" in Win7. Then in the "Appearance and Personalization" click "zoom in or out text and other items" under "Display", change the text size, for example, select "medium-125%", change the text to medium size, point to the right of " Apply the "Button" and a pop-up prompt asks you to "logout" and recommends "Logout Now".
Step02, then repeat the first step to change the text size back, log out again, the software shortcut icon will be restored after logging in to Win7, if it is not recommended to enter safe mode operation once.
Stubborn files are deleted
If there is a process in Windows 7 that is calling a file, the file will not be deleted at this time. This kind of fault is more common, and many friends have encountered it. For example, you opened it with Word before. C: 1.doc file, now when you want to delete the file, you can't delete it. Instead, a dialog box pops up, indicating that the operation cannot be completed. The solution is as follows.
Step01, press Ctrl+Shift+ESC to open “Windows Task Manager”, click to enter the “Performance” tab, click the “Resource Monitor” button at the bottom right to bring up the “Resource Monitor” control. station.
Step02, click on the "CPU" tab in the "Resource Monitor", enter "1.doc" in the search box on the right side of the "Associated Handle", the system will automatically search for the 1.doc handle associated with After the process is found, it is displayed below. For example, the searched process is Winword.exe, indicating that the Word.exe process is calling the 1.doc file, so you cannot delete the file currently.


▲ End the associated process
Step03, to delete the 1.doc file, you can right click on the process that called it (such as Winword.exe), select "end process" in the pop-up menu After popping up a warning dialog box, click "End Process" to end the Winword.exe process, and then go to C: to delete the 1.doc file. Here we use 1.doc as an example to introduce such troubleshooting tips. The method of deleting stubborn files is similar.
How to eliminate black edges when playing games?
If you use nVidia and AMD graphics cards, when playing games under Win7, once you switch to full screen, two black edges will appear on both sides of the screen. The display also does not help, this is because the graphics card is not compatible with Windows 7, it is recommended to search the driver for downloading the video card, upgrade it to the latest version of Windows 7, if there is no Windows 7 graphics driver, you can eliminate such faults as follows :
Step01, under Win7, click the Start menu → "Run", enter regedit in the pop-up dialog box to open the registry editor, and locate HKEY_LOCAL_MACHINESYSTEMControlSet001ControlGraphicsDriversConfiguration.
Step02, right click on the Configuration, click "Find" in the right-click menu, then pop up a search box, enter scaling, click the "Find Next" button, the system will automatically search for the scaling keys and items, find Then it will be displayed in the right window. Finally, right click on the scaling and select "Modify". Change the scaling value from the original 4 to 3.