It is important to disable safe boot and enable legacy boot.
F2 key is to enter bios
F12 key is for one time boot menu
Tag: BOOT
Switch to AHCI mode in windows 10 with BitLocker enabled
- click on start and type manage BitLocker and launch it. (requires administrative user)
- click on Turn off BitLocker (wait on the decryption to finish – it is indicated in the system tray)
- reboot your computer to make sure BitLocker is disabled.
- Right-click the Windows Start Menu and click on Command Prompt (Admin).
- Enter: bcdedit /set {current} safeboot minimal
- Reboot the computer in to the BIOS (F2,Del,ESC,F12 or other key depending on the computer manufacturer).
- Look for SATA operation mode and change it to AHCI and save + reboot computer. (F10 key etc.)
- windows should start up in safemode.
- Right-click the Windows Start Menu and click on Command Prompt (Admin).
- Enter: bcdedit /deletevalue {current} safeboot
- reboot computer and windows should start up normally again.
- click on start and type manage BitLocker and launch it. (requires administrative user)
- click on Turn ON BitLocker you will be required to reboot computer.
- after reboot wait on the encryption to finish – it is indicated in the system tray