It takes several hours to restore changes after the system configuration fails, and there are 70 GB

I suggest redoing the system.

You can open the 360 security guard, click on the function encyclopedia, find the system disk ** tool, and clean up the C drive.

The pre-installed software is installed on the C disk during recovery, and you can make the system if you want the C disk memory to be larger.

Can a computer be factory reset?

First, turn off System Restore: by clicking "Start All Programs Attachments System Tools System Restore", in the System Restore interface, click "System Restore Settings" to enter the "System Restore Settings" window, and empty the "Turn off System Restore on all drives" checkbox, so that Windows XP will delete the system restore points of the backup, thus freeing up the disk space it occupies.

Second, turn off automatic updates: Right-click on "My Computer Properties Automatic Updates" and select "Turn off automatic updates" in the "Notification Settings" column. I'm going to update the computer manually."

Third, turn off the remote table, by doing: Right-click on "My Computer", select "Properties Remote", and remove "Allow users to remotely connect to this computer" in "Remote Desktop".

Fourth, disable the anti-hibernation function by clicking "Start Control Panel Power Management Hibernation" and uncheck the box before "Enable Hibernation".

Fifth, set the virtual memory reasonably, the method is, the memory capacity is less than 256MB, set it to the times, the maximum value is the same as the minimum value, if it is more than 512MB, it is completely feasible to set it to half of the memory capacity, it is best to move the virtual memory to other drive letters. The method is; Right-click on my computer - Properties - Advanced - Performance Settings - Advanced - Virtual Memory Change - Click on C Drive - Single Select "No Paging File (N)" - Settings", then the virtual memory next to C drive will disappear; Then select the D drive, select "Custom Size" - enter the values in the "Initial Size" and "Maximum" text boxes below - "Settings" - OK - Restart, and the setting is completed.

Sixth, delete redundant documents by as; Utilize the command purgecache to delete on the run.

Seventh, clean up the garbage of the college. The method is; Click Start Control Panel System Advanced Startup and Fault Recovery, clear Write events to log file, and select None from the Write debug information drop-down list.

Why is the win7c disk space getting smaller and smaller.

If you want to recover data, you have to find a professional.

If you just want to partition.

Buy a ghost plate Generally, there is a one-click partitioning tool in it, and there are many partitioning software for reinstalling the system after dividing the area.

My computer right-click management Enter computer management point disk management to see if the back disks are displayed, if they are displayed but there is no drive letter, you can directly right-click to change the drive name. As long as you don't point formatting things and you won't lose them. It's really not good.,You can only reinstall the system to C.,The ghost system will automatically format C.。。

When you are restoring the image, the To Disk in the Norton Clone Tool is a C drive if you use this, which should mean to part the hard disk.

Disk Partitioning Utility.

Repartition.

Reformat the C drive, and then reinstall the system with a ghost drive that is not broken.

Use disk cleanup software, such as Security Guard, etc.

The simplest and most brutal way to do this is to reinstall the system.

Right-click on the C drive and select Disk Cleanup.

It should be that there are too many local temporary files.

The temp folder is distributed in two places, one is C: Windows Temp, which is common to the system, and the other is under the configuration folder of the current login account, which is generally the C: documents and settings login account local settings temp.

At a glance, it can be seen that they are all in the C drive, which is very bad for controlling disk fragmentation, so the first thing we need to do is to move the temp to a partition outside the C drive, here take the D drive as an example.

Create the D: UserData temp directory on the D drive, and right-click"My computer","attributes","Advanced"to open the Environment Variables dialog box and change both the user variable and the system variable to d: userdata temp

rd %temp% /s/q

mkdir %temp%

Then save as *bat format (e.g., so that the trash in the temp folder will be automatically cleared as soon as the file is opened.)

Right-click on "My Computer", select "Properties", and click on it"System Restore"tab, put"Turn off System Restore on all drives"Check, confirm and then look at the size of the C drive.