Still in the Recovery Environment:
A list of available will appear. Choose a date and time when the server was known to be working properly. Click Next and then Finish .
Run the following commands one by one, pressing Enter after each: bootrec /fixmbr bootrec /fixboot bootrec /rebuildbcd Use code with caution.
If the Startup Repair tool fails to fix the issue, you can try running the Bootrec tool from the command prompt. Here are the steps:
Before running repair commands, you must determine whether your server utilizes a traditional setup or a modern UEFI (GPT) system. The steps to rebuild the boot configuration depend entirely on this layout.
dir C:\Windows dir D:\Windows
: Select your language and keyboard layout, then click Repair your computer (rather than "Install now") in the bottom-left corner.
If your server was booting normally until recently (for example, right before a driver update or application installation), rolling the system state back to a previous point can resolve the issue. Navigate to and select System Restore .
To access WinRE: