After the machine has been used for a long time, it will become more and more cards. The main reason is because the C disk in the Win7 system stores a large number of files occupying the memory. In fact, many files in the C disk can be deleted. How do we know? Follow Xiaobian to learn how to determine which files can be deleted.
The method is as follows:
First, we first turn off the sleep function of Win7 system, and can release more than 3G space.
“Run as administrator, all programs →Accessories → Command prompt "Right", right-click and select "Run as administrator", enter the command prompt, manually enter "powercfg -h off"; Turn off the Win7 system sleep function.
Second, turn off system protection
computer right-click properties--advanced management settings--system protection.
Third, transfer virtual memory
Computer right-click properties--Advanced management settings--Advanced--Performance-Settings-Advanced-Change.
fourth, transfer "user's file"
desktop double-click the Administrator (user folder) folder, here is recommended to transfer 4 system folders & ldquo; desktop, favorites, my desktop, my Document & rdquo;, right-click the project property to be transferred -- location X:\\Users\\Administrator.
The fifth, delete the file does not delete the function, simplify the optimization system, not simple optimization performance
1.C:\\Windows\\Web\\Wall*** (Windows comes with wallpaper) recommended transfer
2.C: \\Windows\\System32\\DriverStore\\FileRepository
Search input ati*.inf (14.6M) nv*.inf(94.9M) (A card user delete N, N card user delete A)
Search input mdm* .inf (21.6M) Now there is no one to use.
Search input prn*.inf (781M) prn All of them are printer drivers, I believe most people can't use them. There is a printer, and when you buy it, you will also have a driver and delete it.
Note: prnms001.inf/prnoc001.inf/prnms002.inf These three are not printer drivers, it is recommended to keep.
3.C:\\Boot (13.3M) This is a Windows startup interface for different languages. It can be deleted except zh-CN.
4.C:\\perflogs\\System\\Diagnostics (9.39M) This is the test record file storage location after system testing, delete.
5.C:\\Windows\\Downloaded Installations There are some programs (Dreamweaver……) that will install the installation files into this folder. Can be safely deleted, ranging from tens of M to several hundred M.
6.C:\\Windows\\Help (66.7M) All 咔嚓.
7. C:\\Windows\\IME\\IMESC5 Microsoft Pinyin input method (74.5M) can be left.
C:\\Windows\\IME\\IMEJP10 Japanese input method (37.8M) Delete.
C:\\Windows\\IME\\imekr8 Korean input method (2.86M) Delete.
C:\\Windows\\IME\\IMETC10 Traditional Chinese input method (21.6M) Delete.
8. C:\\Windows\\Installer The program required for the uninstallation of the installed program. If you delete it, some programs will be uninstalled and modified.
9.C:\\Windows\\winsxs This can't be deleted, but it can be compressed. The compressed size is 2.48G. It saves nearly 1G.
10.C:\\Windows\\winsxs\\Backup (backup file, occupy 354MB); Delete Don't worry, you can't use it.
11.C:\\ProgramData Some programs will put some files into it to see if they need to be deleted. The installation files exe and msi can be deleted, but some files are needed when the software is running, and cannot be deleted.
Okay, friends who need to release the C disk memory will judge according to the above method to delete the list and delete the file. In this small series, you should remind your friends that you must not delete files in a random way. Be sure to delete them. Otherwise, other programs will not work.