Select your language and keyboard layout, click Next , and then click Repair your computer in the bottom-left corner. 2. Basic Startup Repair
Click in the bottom-left corner (do not click "Install now"). Select Troubleshoot , then click Command Prompt . Phase 2: Identify Drive Letters
Sometimes the BCD store is corrupted. Rename it and rebuild:
Restart the server and press the appropriate key (e.g., F12, F11, Esc) to enter the boot menu. Select your installation media.
Once in Command Prompt, run:
Open the Command Prompt and run the following command to revert any pending update actions:
If the prompt asks to add the installation to the boot list, type (Yes) and press Enter . Method B: For UEFI / GPT Systems
Recreate the boot files by pointing the utility to your Windows directory (usually C:\Windows ): bcdboot C:\Windows /s Z: /f UEFI Use code with caution.
: If you do not have media, turn the server on and hold the power button to force a shutdown before Windows finishes loading. Repeat this twice; on the third restart, the server should enter Automatic Repair mode. windows server 2012 r2 boot repair
bootrec /fixmbr
First, you need to identify your system and boot partition drive letters. You can do this using the diskpart tool:
: This usually happens on UEFI systems with Secure Boot enabled. Boot into the BIOS/UEFI settings, disable Secure Boot , try the command again, and then re-enable Secure Boot later.
By familiarizing yourself with these steps, you can quickly minimize downtime and restore your IT infrastructure in the event of an unexpected crash. If you want, I can help you: Compare backup solutions for Windows Server Select your language and keyboard layout, click Next
bcdedit /export C:\BCD_Backup attrib c:\boot\bcd -h -r -s ren c:\boot\bcd bcd.old bootrec /rebuildbcd Use code with caution. Copied to clipboard III. System Integrity and File Verification
Insert your Windows Server 2012 R2 installation media (DVD or bootable USB) into the server and restart it.
What is the displayed on the screen when it fails to boot?
: Ensure the server is correctly activated. If the edition needs to be set (e.g., from Evaluation to Standard), use DISM commands with a valid product key. Verify Roles Server Manager to ensure all previously installed roles and features are functioning correctly. step-by-step breakdown Select Troubleshoot , then click Command Prompt