Type Bootrec /RebuildBcd, and then press ENTER.ħ. Select a language, time, currency, and a keyboard or another input method. Press any key when the message indicating “Press any key to boot from CD or DVD …”. Put the Windows Server 2012 R2 installation disc in the disc drive, and then start the computer.Ģ. Type sfc /scannow, and then press ENTER.ġ. In the System Recovery Options dialog box, click Command Prompt.ħ. Click the operating system that you want to repair, and then click Next.Ħ. Select a language, a time, a currency, and a keyboard or another input method, and then click Next.ĥ. Press a key when the message indicating “Press any key to boot from CD or DVD …”. Put the Windows Server 2012 R2 installation disc into the disc drive, and then start the computer.Ģ. Iolo system mechanic (, system rescue CD ( ), gparted ( ), EasyBCD ( ), VisualBCD editorġ. bootsec /fixmbr (writes mbr but does not overwrite partition table)īcdboot (The BCDboot tool is a command-line tool that enables you to manage system partition files):.bootrec /fixboot (writes new boot sector to system partition)īootrec /scanos (scans for other OS’s that you might want to add to bcd)īootrec /rebuildbcd (scans for other OS’s, unlike rebuildbcd it allows you to select the OS’s you want to add to bcd)Īlso: Emergency repair disk ( ERD) from the MDOP (but requires the software assurance – more for larger companies).Boot from Install disc > Click Next > click Repair your computer > click Troubleshoot > click Advanced options > choose Command Prompt Boot from repair disc > Chose Keyboard type > click Troubleshoot > click Advanced options > choose Command Prompt If it didn’t work or it didn’t find problems continue on > choose Command Promptįor Windows 8, Windows 10, Windows 2012 R2: Boot from repair disc > Choose Keyboard type > click Troubleshoot > click Advanced options > choose Automatic Repair You can also start a command prompt from the System Repair dialog box.įor Windows 7: Boot from the repair disk > Choose keyboard and click Next > Use recovery tools… and click Next > Windows may find problems fix them and reboot, if it works great. A System Restore will return all of those things to their last working order which could solve your problem entirely. Windows could freeze, stop, or reboot during the startup process because of damage to a driver, important file, or part of the registry. Start Windows in Safe Mode and then use System Restore to undo recent changes. If you’ve just made a change to your computer that you suspect might have caused Windows to stop booting properly, starting with the Last Known Good Configuration could help. Start Windows using Last Known Good Configuration.
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