The bootmgr is missing press ctrl+alt+der
Bootmgr is the abbreviation of Boot Manager, which is a new boot used in Windows Vista and Windows 7. Manager to replace the boot manager in Windows XP - NTLDR.
bootmgr is missing press ctrl+alt+del to restart
Errors often occur in the following situations:
1, you accidentally or intentionally deleted some important system files.
2, the file is damaged or destroyed by viruses or malware.
3, improper BIOS simulation, etc. can not access the desktop environment.
4, incorrect reinstallation system or C drive system crash.
Recovery CD repair bootmgr
1, boot, has been mad pressing DEL button or F2 button or F12 button, the purpose of entering the CMOS settings! 2. Switch to Advanced BIOS and set First Boot Device to CDROM! Different machine settings are different, of course, some can be directly selected through the DEL button. 3, insert the system disk recovery disc! Start your computer. 4. After displaying the installation interface of the CD, click Repair Computer! 5. In the dialog box that comes out again, click Auto Repair! 6. After the repair is complete, remove the disc! 7, restart the computer, see if the problem has been resolved.
Active partition setting repair bootmgr
1, insert PE system disk can also be a U disk boot disk. 2, enter the PE system, right click on my computer, select management! 3. Select the disk management option! 4, right click on the installation of the system disk (the general user is the c drive), select mark this partition as the active partition! 5, restart the computer to see if the problem has been resolved.
System reloading repair bootmgr
If you have not solved the problem, then you can only reinstall the system. If you reinstall the system and still find this problem, then you can only say that the system installation method is problematic, warm Tip: Format the whole disk, reinstall the system, don't say it again.
Conclusion: The method here may not be comprehensive. If you still know more, please leave a message and let the people who see it solve the problem.
User recommended solution:
Rebuild BCD file
1. Put the Windows Vista installation CD into the CD-ROM drive and set it to boot from the CD.
2. But when you see "Press any key to boot from CD or DVD ..." or "Press any key to boot from the disc", please quickly press any key on the keyboard.
3. Select "Repair Computer"
4. Select language, time, area, input method, and click Next.
5. In the System Recovery Options window, click "Command Prompt".
6. Enter BOOTREC /FIXMBR and press Enter.
7. Enter BOOTREC /FIXBOOT and press Enter.
8. Enter BOOTREC /REBUILDBCD and press Enter.
Run "System Restore" via WinRE
1. Insert the Windows Vista installation CD into the CD-ROM drive and set it to boot from the CD.
2. But when you see "Press any key to boot from CD or DVD ..." or "Press any key to boot from the disc", please quickly press any key on the keyboard.
3. Select "Repair Computer"
4. Select language, time, area, input method, and click Next.
5. In the System Recovery Options window, click System Restore.
6. According to the system restore wizard, select a restore point before the problem occurs, and finally click "Finish" to restart the computer.
Run "Startup Repair" via WinRE
1. Insert the Windows Vista installation CD into the CD-ROM drive and set it to boot from the CD.
2. But when you see "Press any key to boot from CD or DVD ..." or "Press any key to boot from the disc", please quickly press any key on the keyboard.
3. Select "Repair Computer"
4. Select language, time, area, input method, and click Next.
5. In the system recovery options window, click "Start Repair".
6. Follow the wizard prompts to complete the repair.
Other solutions:
Boot prompt Bootmgr is missing error means: startup management is missing...
It is recommended to deal with the following:
If the boot manager bootmgr in the root directory of the C drive is destroyed or lost, then When you start your computer, you will be prompted to find the operating system, which is similar to the loss of the ntldr file for Windows 2000/XP.
Under Windows 2000/XP, to solve this type of failure, you first need to know that the cause of the failure is that the boot manager is lost, and then enter the recovery console. At the command prompt, use the expand command to solve the copy of the ntldr file in the installation CD. Compress to the root directory of the C drive.
In Windows Vista, it's very simple. We don't need to know what causes the system to fail to start. Just follow the steps below:
(1) First use Windows Vista to refuse the strike series 1 - Sesame opens To introduce the method, use the Windows Vista installation CD to boot the system into the "System Recovery Options" and click on "Startup Repair" on it.
(2) The system searches for the cause of the startup failure in the order in which it is set. In the background of the system, the startup recovery checker will automatically test and analyze Windows updates (if the patch fails, it may also cause startup failure), system disk, disk error, disk metadata, target operating system, startup log and so on.
(3) If the system finds the cause of the startup failure and fixes it, it will enter a dialog box prompting that it has found and tried to fix the problem.
(4) Windows Vista does not display the cause of the fault by default. Click the “Finish” button to restart the computer to complete the recovery.
If you need to see the cause of the failure, you can click "Click here for details on diagnosis and repair" on this dialog. On the dialog that opens, we can see that the root cause is that the "Boot Manager" is missing and the required file repair tool has been successfully completed!
Reinstall the system. System boot manager is broken