How to solve bootmgr is compressed and cannot start the system

Solution: 1. Use the system CD or U disk to start the disk, choose to enter the PE system, open "My Computer", right-click the C drive, select "Properties", and uncheck "Compress this drive to Save space", then click "OK" and restart the computer; 2. Use the system CD or U disk to start the disk, select to enter the PE system, open the command prompt window, enter "bootrec.exe /fixmbr" and "bootrec.exe /fixbool" two commands, just restart the computer; 3. Reinstall the system, etc.

If a "bootmgr is compressed" error occurs on your computer and the system cannot be started, you can try the following methods to solve it:

Method 1:

1. Use the system CD or U disk to boot the disk and choose to enter the PE system.

2. In the PE system, open "My Computer", right-click the C drive and select "Properties".

3. In the properties window, uncheck "Compress this drive to save space" and click "OK".

4. Restart the computer.

Method 2:

1. Use the system CD or U disk to start the disk and choose to enter the PE system.

2. In the PE system, open the command prompt window.

3. In the command prompt window, enter the two commands "bootrec.exe /fixmbr" and "bootrec.exe /fixbool" and press the Enter key.

4. Restart the computer.

Method 3:

1. Use the Windows installation CD or USB boot disk and set the computer to boot from the CD or USB.
2. After entering the Windows installation interface, press the Shift F10 key to open the command prompt window.
3. In the command prompt window, enter the "diskpart" command and press the Enter key to open the disk partition tool.
4. In the disk partition tool, enter the "list disk" command and press the Enter key to view all disks on the computer.
5. Select the disk containing the Windows system, then enter the "select disk " command and press the Enter key (replace "" with the selected disk number).
6. Enter the "clean" command and press Enter to clear all partitions and data on the disk.
7. Close the disk partition tool, and then reinstall the Windows system in the Windows installation interface.

One of these methods should help resolve the "bootmgr is compressed" error and boot the computer. If the problem persists, you may need to take a closer look at your computer hardware and software configuration.

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