Saturday, September 21, 2013

How to switch between IDE/RAID/AHCI without re-install of Win8/Win8.1

In this scenario, during the system boot when Windows tries to start, you will receive an error with regards to a system failure. The system will be stuck in a reboot loop. This is due to changes in Windows 8 PnP in which Boot Start Drivers are not installed by default.

Method#1: Switch between IDE<-->AHCI without going to safe mode.
- Enable the driver you need before changing the SATA mode setting in the BIOS:
-- Delete the entire StartOverride key (or tweak the value to 0) under      HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\(DriverNameHere)
- Reboot to BIOS setup
- Enable IDE, AHCI or RAID mode

Method#2: Switch by going to safe mode once.
Open an elevated command prompt and set the machine to boot into Safe mode by typing
  1. bcdedit /set {current} safeboot minimal and reboot the machine.
  2. Go to BIOS and change your mode and boot to safe mode. Note: In Safe mode all boot-start drivers will be enabled and loaded. Since there is device installed to use it, the kernel will now make it part of the drivers that are to be loaded on boot and not disable it again.
  3. Reset the bcdedit settings to allow the machine to boot into the Normal mode by typing:
    bcdedit /deletevalue {current} safeboot
  4. Reboot the machine into Normal mode by typing:
    shutdown /r /t 0

No comments: