Win7 system to determine whether C-disk files can be deleted method

1, as an administrator to run the command prompt, enter the command prompt, enter "powercfg-h off" to be able to shut down the Win7 system sleep function;

2, turn off System protection: in the computer icon on the right key to select Properties, click "Advanced Management Settings-system protection";

3, transfer of virtual memory: on the computer icon on the right button to select Properties, click "Advanced Management Settings-advanced-performance-settings-advanced-Change";

4, transfer "User's Files": Desktop Double-click Administrator User folder, here is recommended to transfer 4 system folders "desktop, Favorites, my desktop, My Documents," the right key needs to transfer the project properties-location X:usersadministrator can be.

5, delete the document does not delete the function, the optimization system does not simplify the performance

(1) Recommend the transfer of Windows with its own wallpaper, the path is c:windowswebwall***

(2) under the following directory C:windowssystem32driverstorefilerepository

Search input Ati*.inf (14.6M) Nv*.inf (94.9M) (a card users delete N, n card users delete a)

Search input Mdm*.inf (21.6M) Now there's no one to erase.

Search input Prn*.inf (781M) prn The beginning of all is the printer driver, I believe most people do not use. There is a printer, buy the time will also have a drive, delete it.

3 in C:boot (13.3M) There are different languages in the Windows boot interface, except ZH-CN can be deleted.

4 in C:perflogssystemdiagnostics (9.39M), is the system after testing the test records file storage place, recommended deletion.

5 c:windowsdownloaded installations Some procedures (Dreamweaver ...) The installation files will be unpacked to this folder when installed. Can be safely removed, ranging from dozens of m to hundreds of M.

6) C:windowshelp (66.7M) all clicks.

7) c:windowsimeimesc5 Microsoft Pinyin Input Method (74.5M) can stay.

C:WINDOWSIMEIMEJP10 Japanese Input Method (37.8M) deleted.

C:WINDOWSIMEIMEKR8 Korean text Input method (2.86M) deleted.

C:WINDOWSIMEIMETC10 in the multiplication of input method (21.6M) deleted.

8 C:windowsinstaller has installed the program's uninstall changes required procedures, if you delete, some programs uninstall and modify will have problems.

9 C:windowswinsxs This cannot be deleted, but can be compressed, compressed after the size of 2.48G. Save space near 1G.

C:windowswinsxsbackup (backup file, Occupy 354MB); Remove the rest assured that it cannot be used.

One) c:programdata Some program installation will put some files to here, see need to delete, inside the installation file exe, MSI, can be deleted, but some is the software runtime required files, can not be randomly deleted.