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Win7 C disk space is getting smaller and smaller, and the use space is not enough? Teach you how to clean disk C.
Complete the installation of Win7

There was 50G spare space on the C drive, but it didn't take long for only 1 and 2G to be left, which often happens. So what's wrong with the C disk of our computer, and how to remove it simply and conveniently? Let's take a look at the mystery of disk C. The solution of decreasing C disk space is 1. Use disk cleaning software to clean disk C. There are many such softwares on the market, so I won't recommend them here. You can choose what you usually use. Doing so can delete some caches and junk files. Of course, this is only a stopgap measure, and some files need to be deleted manually by ourselves. About 50M-800M space can be released for disk C.2.. Turn off the hibernation function and enter the start menu.

powercfg

-h

leave

Instruction to turn off hibernation. The actual size of this file is the same as that of physical memory, which can release about 1-3G space for drive C.. 3. Set the virtual memory:

Computer properties > advanced system settings > settings (performance) > advanced tab > change (virtual memory), set drive c to a paging-free file, and then set drive d to a system-managed size. After the change, it can only take effect by pressing the "Settings" button, and finally restart to complete the setting. By default, this file is 1.5 times the physical memory, which can free up about 2-4G space for drive C.4.. Delete the automatic backup file and run the cmd program (at "Start-> Process-> Accessories"), right-click and select "Run as Administrator"; Then, the command line input

R&D/Sales/Quality

C: The window. old

Prompt to confirm whether to delete the target folder, enter y, and press enter. Windows. The old one is the backup file of the system. The longer it drags on. It is normal to exceed 10G. Drive C can release more than 3G space. 5. completing the above points shows that you are not far from success. Next, you need to do some routine cleaning, clean up the software of drive C, and delete useless programs and functions through the control panel, which can free up more than 50M space for drive C. 6. Remember to keep good habits after slimming drive C, such as not letting go of too many things on the desktop and regularly sorting out partitions such as drive C. Which files on drive C can be deleted 1 and C:\Documents?

and

Set \ User Name \ Local

All files (user temporary files) under settings\temp\ can be deleted;

2. C:\ Documentation

and

Set \ User Name \cookies\ All files (keep index) can be deleted;

3. C:\ Documentation

and

Set \ User Name \ Local

Setup \ Temporary

internet

You can delete all files (page files) under Files\;

4. C:\ Documentation

and

Set \ User Name \ Local

You can delete all files (history) under the setting \ History \;

5. C:\ Documentation

and

You can delete all files under the setting \ User Name \ Recently Browsed Files (shortcuts to recently browsed files);

7、C:\WINDOWS\ServicePackFiles\

You can delete all files (upgraded backup files) under;

8. C:\ WINDOWS \ Software Distribution \ Download \

You can delete the files under;

9. The dll file under c: \ Windows \ System32 \ DLlcache \ is a spare dll file, and can be deleted as long as the installation file is copied;

10、C:\WINDOWS\driver

The (hardware backup file) under the cache \i386\ can be deleted.