====== Automatic Repair ====== From: ====== Windows 10 Automatic Repair Couldn’t Repair Your PC ====== From: http://windowsreport.com/windows-10-automatic-repair-couldnt-repair-pc/ Choose Troubleshoot > Advanced Options. Select Command Prompt from list of options. When Command Prompt appears, enter the following lines and press Enter after each line in order to run it: bootrec.exe /rebuildbcd bootrec.exe /fixmbr bootrec.exe /fixboot Some users are also suggesting that you need to run additional chkdsk commands as well. To perform these commands, you need to know drive letters for all your hard drive partitions. In Command Prompt you should enter the following (but remember to use the letters that match your hard drive partitions on your PC): chkdsk /r c: chkdsk /r d: This is just our example, so keep in mind that you have to perform chkdsk command for every hard drive partition that you have. Restart your computer and check if the issue is resolved. Also: http://marcushall.net/dokuwiki/doku.php?id=software:microsoft:windows:boot#mbr_fix ====== Reset Windows 10 (when Windows won't boot) ====== From: http://www.windows10forums.com/articles/reset-windows-10-when-windows-wont-boot.14/ Please be warned that by resetting your system all 3rd party apps will be removed, however you can choose to keep personal data (i.e. Documents) during one of the steps. This is effectively a clean install which will resolve severe problems with Windows.