win7系统清理c盘（Win7 cleaning system C）

win7系统清理c盘（Win7 cleaning system C） win7系统清理c盘(Win7 cleaning system C) With the WIN7 64 ultimate 4830TG for a period of time, just bought back then, deliberately to the C drive (system disk) left 80G, and what things are never put to the C drive, after a period of time, actually found C smaller too much, only 30+G, darling, what is so bad. Ah? C: what stuff not accounted for about 50G, but the momentum continues to expand, depressed! So, looking for solutions online, we finally collected some reliable and practical ways to release our system disk, and share it with you: 1, hibernate file hiberfil.sys: The file in the root directory of C for hidden system files, the hiberfil.sys file is hidden and their own physical memory is the same, when you put the computer to sleep, Windows7 before shutting down the system writes all memory content to Hiberfil.sys file. Then, when you turn on the computer again, the operating system uses Hiberfil.sys to put all the information back into memory, and the computer gets back to the state before it closes. But Windows7 will not delete this file, but always on the hard disk, will take up part of the disk space, and for a long time, your hard drive will be able to eat. With the sleep function can be, sleep function can choose not to, with his words, he is a big disk drive ah. Also occupies the space, but also must read and write frequently the hard disk. The following method of deleting the sleeping file safely is Windows7: run cmd.exe with the administrator, open the command line window, and then enter: powercfg, -h, off, run. Be careful， C the residual hiberfil.sys can cancel the hidden hidden files, delete directly, and a space in front of off -h. 3. Application caching brought by Superfetch functionality: In the Windows7 system, the use of Vista Superfetch technical features, specific circumstances can be viewed online, the following is only about cleaning methods. Cleaning method: delete all the files in the c:windowsprefetch folder directly. 6, system restore, System, Volume, Information folder: The SystemVolume Information folder, Chinese name can be translated as "system volume information". This folder contains backup information for system restore. System restore is one of the most useful features of Windows operating system, it uses the "snapshot" the state information record system at a particular time, the so-called "reduction", then when needed according to the information to be restored. There are two kinds of restore points: one is the automatic creation of the system, including the system check point and the installation restore point; the other is created by the user as required and also called the manual restore point. As users increase the system time, restore points will become more and more, resulting in less and less hard disk space, and finally be warned, "disk space is insufficient."". It is also the most easy to occupy space in the system disk file, a long time, the size of this file up to 4G, or even greater! Cleanup method: directly shut down system restore! Right click on the "computer" - properties - advanced system settings - system protection - click C three options -- configuration - restore settings in the following elections last "closed system protection" - - to - determine delete. 8, Windows 7 system logs and event logs Generally in the Windows folder System32 folder below the LogFiles folder inside, delete it directly 9. easily remove the WINDOWS.OLD folder under Win7 What folder is WINDOWS.OLD? What's this folder for? How old is he? Ha, this should be decided according to the old version of the Windows you use time, 20G you don't feel terror, after all, this is your WINDOWS.OLD folder in the Windows7 install the upgrade of previous operating system backup directory! (if the WIN7 has been used all the time, the ninth can be saved directly) This folder can not be deleted directly, Win7's own backup must be a bit special, if you delete directly, oh, it will lead to Windows 7 Explorer (Resource Manager) crash. So how do you easily delete the WINDOWS.OLD folder? Very simple. How do you do that? First, find the cmd.exe file (in the start > > program > attachment), right-click and select run as administrator"; Then, command line input Rd/S/Q c:WINDOWS.OLD or rd/S/Q $WINDOWS.OLD When you are prompted to confirm the deleted target WINDOWS.OLD folder, confirm enter y and press enter. 10. cleaning system disk garbage A. deletes files under c:windowsSoftwareDistributionDownload (files downloaded during system updates, if you install them, update is useless) B. deletes all directories under c:windowsRegisteredPackages C. deletes all files under C:WINDOWSDownloaded Program Files D. is optimized with 360 security guards or other optimized software.