How do I unregister a specified system? How to log out of the system

System files are missing. （

Or there was an error in the registry.

Use the Windows PE system to boot into the CD-ROM system, run "Power System Repair ERD 2003", set up the system directory, then execute the following registry according to it, find [hkey local machine software Microsoft Windows NT CurrentVersion Winlogon], and change the value of the key: userinit to :c:

Windows System32, reboot and you're done!

If you lose a file, copy one from another machine to a computer that doesn't boot.

It is possible that the system is not installed.

After reinstalling the system, if it is win7, it is best to manually update the graphics card and sound card driver by yourself.

WinXP's system requires the C disk format to be FAT32 or NTFS format.

It is recommended to use NTFS format, and it is best to use NTFS for other disks, which is a trend in the future, and the advantages will not be repeated.

If you are already using fat32, you can type convert c: fs:ntfs in the runtime

Convert the C drive to an NTFS partition.

c:\documents and settingsew>convert /?

Convert FAT volumes to NTFS.

convert volume /fs:ntfs [/v] [/cvtarea:filename] [/nosecurity] [/x]

volume specifies the drive letter (followed by a colon), mount point, or volume name.

fs: NTFS specifies the volume to be converted to NTFS.

v specifies that convert should be run in detailed mode.

cvtarea:filename

Specify one of the successor files in the root directory as.

A placeholder for the NTFS system file.

Nosecurity specifies that everyone can access the converted files.

and directory security settings.

x If necessary, force unmount the volume first.

All open handles for the volume are invalid.

There is no way to put it, and then ferry it.

Here's how to log out of the system:

Method 1: 1Press the "Alt+F4" shortcut key combination at the same time in the system to open and close the windows window, and click the drop-down list to select.

2.Select Sign Out, click OK, 3After clicking, the system is logging out.

4.After successfully logging out, you can click to re-enter the system.

Method 2: 1Click on the system's start menu, click on the account name in the pop-up menu, and then select Cancel.

2.After clicking, the system is logging out.

3.After successfully logging out, you can click to re-enter the system.

What system? XP: Start Logout Logout Logout. Win7: Start Log out with the arrow icon next to Shut Down.

alt+f4

Click on the word shutdown, and then select Log Out, and then OK!!