What do you do with the C disk full?

What do you do with the C disk full? Which files can be deleted in C disk?

Even if the software is not installed in C disk, daily use will also cause the reduction of C disk capacity, especially frequent updates, installation, uninstall some software, as well as system updates, will result in reduced disk space.

1. First know all the documents in C, you will not accidentally delete the knowledge. Usually after we install Windows 7, there are several folders in the C disk that are the main sources of space occupancy:

Program Files: Application folder, the general software will be installed by default here (64 users will have a program Files (X86) folder, is the system of 32-bit software installation directory, is normal)

Programdata: System folder, the use of the placement program data, settings and other documents, do not recommend deletion.

Windows: The folder where the operating system primary files are stored

Users: Save the user's profile and data, the "Users" folder in Windows 7 is actually the documents and Settings folder in XP.

Hiberfil.sys: Files for the hard disk space occupied by the system's Hibernate function

Pagefile.sys: Virtual Memory paging File

There are other folders:

System folder, which is the "Recycle Bin", is not deleted

System Volume Information: Systems volume label information file. The backup information for System Restore is stored in this folder.

Perflogs:windows log information files, such as disk scan error messages

Perflogs is automatically generated by the system.

Msocache:office The local installation source above is the main file and folder contents in "C Disk", and there will be other files in use, such as the possibility of a file named with a number of letters, which may be the update Temp folder for Windows Update. is usually automatically deleted.

There may also be Windows.old folders: If you select a custom installation method when you install the system, and you do not format the partition during installation, the system files for the old system are stored in the Windows.old folder. The type of file in this folder depends on your computer. After you use Windows 7 to reach a certain time (for example, a week or two weeks), if you are confident that your files and settings have returned to the location where you want them to be, you can safely reclaim disk space by using Disk Cleanup to remove the Windows.old folder. The delete operation on the Windows.old folder is not revocable.

Strong> the Windows folder and the user folder in detail below.

Windows folder: The primary file that holds the Windows system, where the largest folders are System32 and WinSxS

System32: A system-critical folder that contains a large number of user Windows files, primarily DLLs, CPL, drivers, and files that support system operations.

Winsxs is a very important folder in the Windows directory of Vista/windows 7, which contains a number of important components, and the version is also very complex, in order to ensure the normal operation of Windows, the files inside are not deleted.

User folders: This folder will include data from the user's use, program content, as well as documents, music and other content, into the user folder will find the user name named folder, open will see the desktop, my music, My Pictures, my videos, favorites, My Documents, music, AppData, Folders such as downloads.

Desktop: Will save the current user's desktop all content, many friends are accustomed to put the file on the desktop, these are occupied C disk space Oh! My music, My Pictures, my videos: As the name suggests, these things will be saved here by default, and of course many friends are placed in a separate place. Also, one thing to be aware of is that content that is downloaded using itunes is placed in my Music folder by default and takes up space in the C disk.

Favorites: Contains the Favorites file in IE browser

Some downloads of Downloads:ie and many browsers or other programs will be saved here by default, and will also occupy some "C-disk" space.

My document: Is my document, save a lot of program records files, such as the commonly used Outlook, QQ, MSN folder data files will be saved here.

Program data storage, which is early in the Windows system

Application Data: Installs the user custom setting in the software, the temporary folder, the Quick Start folder and so on.

The end of literacy, the point: (c disk which files can be deleted? Specific as follows:)

1,c:documents and Settings All files (user temporary files) under the user name local settingstemp can be deleted;

2,c:documents and setting user name cookies under All Files (Reserve index) can be deleted;

3,c:documents and Settings user name local settingstemporary all files (paging file) under Internet files can be deleted;

4,c:documents and Settings All Files (history) under the user name local settingshistoy can be deleted;

All files under the 5,c:documents and Settings username recent (shortcuts to recently browsed files) can be deleted;

(a) All documents (temporary documents) under 6,c:windowstemp may be deleted;

7,c:windowsservicepackfiles under the (Upgrade SP1 and SP2 after the backup file) can be deleted;

The documents under 8,c:windowssoftwaredistributiondownload may be deleted;

9,c:windowssystem32dllcache the DLL document, this is the alternate DLL document, as long as you have copied the installation file can also be deleted;

10,c:windowsdriver cachei386 (backup files for hardware) can be deleted.

11, if you have a Windows Updade upgrade then c:windows the following $u the beginning of the hidden file can be deleted

Delete the above file, C disk space greatly increased, the machine will be faster

Here are some places to optimize:

Prerequisite: Open My Computer-tools-Folder Options-View-check before the "Show All Files and folders" option-"OK"

2. Delete the contents of the following folder ("X" represents the location of your system installation, typically C-disk.) )

X:documents and settings All files under User name Cookies (keep index file)

X:documents and settings All files under User name local settingstemp (user temp file)

X:documents and Settings All files (paging files) under the user name localsettingstemporaryinternet files

X:documents and settings All files under User name local settingshistory (historical records)

X:documents and settings All files under recent (recently browsed file shortcuts)

All documents under X:WINDOWSTEMP (temporary files)

X:windowsservicepackfiles (Backup files after upgrading SP1 or SP2)

Compressed files under X:windowsdriver Cachei386 (backup files for drivers)

All the texts under the X:windowssoftwaredistributiondownload

3. If the system has been windoes Updade upgraded, the following files are deleted:

Under the X:windows to $u ... Hidden file at the beginning

4. Then defragment the disk, the finishing process, please quit all the running program. After defragmentation, open start-Programs-attachments-system Tools-System Restore-Create a restore point (preferably with the date as the name of the restore point).

5. Open "My Computer"-right-click System Disk-Properties-"Disk Cleanup"-"Other Options"-click "Clean" in the System Restore column-select "Yes"-ok.

6, after a variety of hardware and software installed properly, the need to update the file when there is little. Delete system backup file: Start → run →sfc.exe/purgecache near 3xxM. (The purpose of this command is to immediately clear the Windows File Protection file cache, releasing the space it occupies)

7, delete the Windowssystem32dllcache DLL file (minus 200--300MB), this is a backup DLL file, as long as you have copied the installation files, you can do so.

8, the system will automatically back up the hardware driver, but in the hardware driver installed correctly, the general change of hardware is not likely, so you can also consider this backup deleted, the file is located in the Windowsdriver cachei386 directory, The name is Driver.cab, you can delete it directly, usually this file is 74M.

9, delete the use of input method: For many netizens, the system is not all appropriate for their own input method, such as Imjp8_1 Japanese Input method, Imkr6_1 Korean input method, if not, we can delete it. The input method is located in the Windowsime folder and takes up 88M of space.

10, upgrade completed found Windows many more similar $ntuninstallq311889$ these directories, kill it

11, in addition, keep the windowshelp directory of Things for me is a kind of injury, hehe ... Kill them all!

12, turn off System Restore: The System Restore function to use a long time, will occupy a lot of hard disk space. It is therefore necessary to manually set it to reduce the amount of hard disk usage. Open the System Properties dialog box, select the System Restore option, and select the Turn off System Restore on all drives check box to turn off System Restore. You can also restore only the disk or partition on which the system is located. Select the partition on which the system is located, click the Configure button, and in the dialog box that pops up, cancel the "Turn off System Restore on this drive" option and set the amount of disk space used for System Restore.

13, sleep function will occupy a lot of hard disk space, if you use less you might want to close the altogether, close the method Yes: Open Control Panel, double-click Power Options, select the Hibernate tab in the Power Options Properties dialog box that pops up, and cancel the Enable Hibernate checkbox.

14, uninstall the less common components: the default to the operating system installed a number of system components, and these components are a large part of it is not possible for you to use, you can in the Add/Remove Windows components to uninstall them. But some of these components XP is hidden by default and cannot be found in Add/Remove Windows components, so you can do this by opening the Windowsinfsysoc.inf file with Notepad and replacing the hide character in the file with the Find/Replace feature. This removes the hidden attributes of all components, when you run the Add-remove program after you save the disk, you'll see a lot more options that you didn't see, delete the components that you didn't use (remember to keep it as sysoc.inf instead of the default sysoc.txt), such as Internat Messenger Service, fax service, Windows Messenger, code table and so on, approximately can free up nearly 50MB of space.

15, clear system Temporary files: The system's temporary files are generally stored in two locations: a Windows installation directory of the Temp folder, the other is x:documents and Settings "user name" local settingstemp folder (Y: is the partition on which the system resides). The files in both locations can be deleted directly.

16, clear the Internet temporary files: regularly deleted when the internet generated a large number of temporary Internet files, will save a lot of hard disk space. Open IE Explorer and choose Internet Options from the Tools menu. In the pop-up dialog box, select the General tab, click the Delete File button in the Temporary Internet Files column, and in the Delete File dialog box, select the Delete all offline content check box, and click OK button.

17. Clear read-only files: Windows XP read-only settings can improve the speed of the system, but after a period of time, the number of files in the pre-read folder will become quite large, resulting in the system search time to spend longer. And some applications produce dead link files, which adds to the burden of system search. Therefore, you should delete these pre read files periodically. The files are expected to be stored in the Prefetch folder in the Windows XP system folder, and all files under that folder can be deleted.

18. Compress NTFS drives, files, or folders: If your hard drive is using an NTFS file system, space is really tight, and you can also consider enabling NTFS compression. Right-click the drive you want to compress-properties-general-compress the disk to conserve disk space, and then click OK to select the options you want in confirm attribute changes. This will save about 20% of your hard disk space. In the compression of C disk, it is best to compress in safe mode, this effect is better.

19, the closure of China Doctor Dr.Watson: To turn off Dr.Watson can open Registry Editor, find "Hkey_local_machinesoftwaremicrosoftwindowsntcurrentversionaedebug" Branch, double-click the name of the auto key value below it, change its value data to 0, and then press F5 to refresh the setting to take effect, thus canceling its operation. Also enter the "drwtsn32" command in "Start"-> "Run", or "Start"-> "program"-> "Attachment"-> "System Tools"-> "System Information"-> "Tools"-> "Dr. Watson", Call Dr. Watson in the system Dr.Watson, only keep the "Dump all thread context" option, otherwise the hard drive will read for a long time and occupy a lot of space once the program goes wrong. If this is the case, look for the User.dmp file, which saves dozens of MB of space after deletion.

20, close Remote Desktop: "My Computer"-> "Properties"-> "remote", "Remote Desktop" in the "Allow users to remotely connect to this computer" check out.

21, cancel XP to zip support: Windows XP By default to open the support of the zip file, which takes up a certain amount of system resources, you can choose "Start → run", in the "Run" dialog box, type "regsvr32/u Zipfldr.dll", Return confirmation to remove XP support for ZIP decompression, thereby saving system resources

22. Turn off error Reporting: When an application goes wrong, the window that sends the error report pops up, and in fact such error reporting makes little sense to the average user, and it's a wise choice to close it. In the System Properties dialog box, select the Advanced tab, click the Error Report button, and in the Error Reporting dialog box that pops up, select the Disable Error Reporting single option, and then click OK. In addition, we can also turn off error reporting from Group Policy: from Run, type gpedit.msc, run Group Policy Editor, expand Computer configuration → administrative Templates → system → error reporting, double-click Report Errors in the right settings bar, and in the pop-up Properties dialog box, select Disabled "Report Errors" can be disabled by the radio box.

23, turn off the unused equipment: Windows XP is always as much as possible to install the computer drivers and management of all devices, which will not only slow down the speed of system start-up, but also caused a large number of system resources occupied. In this case, you can in the Device Manager, deactivate devices that are not commonly used, such as PCMCIA cards, modems, infrared devices, printer ports (LPT1), or serial ports (COM1), by double-clicking the device you want to deactivate, and selecting "Do not use this device" on the General tab in its Properties dialog box ( Inactive) ". The restart settings will take effect and enable them from Device Manager when you need to use these devices.

24, regular cleaning System Restore point: Open Disk Cleanup, select other options-> cleaning System Restore point, click Clean.

25, uninstall unwanted programs, this will not need me to say more.

26, other optimization: The application software installed in other hard disk (do not install under the system disk, this is also good for reloading the system; Move the My Documents folder to a different partition: On the My Documents icon on the desktop, right-click, select Properties, Mobile; Move IE Temp folder to another partition: Open IE Browser, select Tools-Internet Options-general-; Set "-Move Folder", and transfer virtual memory to other hard drives; Point the Pagefile.sys file to a place: Control Panel → system → performance-advanced → virtual memory → changes, note that "settings" will not take effect; on the desktop, on the My Computer icon, right-click and select Properties; Advanced-Performance Settings "-> Advanced-Virtual memory" and tuned to 330-720. And timed to clean up the virtual memory setup tips.