enabled raid, now cannot boot

  1. Posts : 1
    windows 10 pro 64 bit

    enabled raid, now cannot boot

    Had a working system, windows 10 Pro 64 bit running off a samsung 950GB SSD., with a couple of other hard drives. I wanted to add a RAID 1 pair of HDDs (WD Black). I made a system image of the SSD for safety, uncoupled the two regular HDDs, installed the 2x WD HDDs for the raid, went into the ASUS bios, enabled raid.
    Now I'm stuck. If I exit BIOS the machine just bounces back into it. The SSD won't boot. The system image won't install because it can't find a drive, despite the SSD being recognised in BIOS and the raid pair being set up correctly. I tied reversing the process and clearing the BIOS back to AHCI, but the SSD still won't boot and the system image won't install.

    My guess is that the SSD's MBR has been overwritten to RAID but the drivers are missing and so Windows won't boot. Nor can the Windows 10 recovery disk find it to restore the system.

    I'd welcome advice from the forum, but my thinking is that I need something which can edit the SDD windows 10 installation to add the raid drivers. I don;'t have a windows 10 disk because I upgraded from Windows 7. All help gratefully received.
      My Computer

  2. Posts : 27,666
    Windows 10 Pro x64 Version 21H1

    Hi deeleys. Welcome to the TenForums @deeleys

    I'm afraid I can't help you on injecting a driver but still wanted to provide some info.

    I'm just in the process of building a Asus system and the instructions were fresh on my mine. I would head to Asus and get your manual and read, yours may be different.

    In my BIOS it also instructs you to disable to disable CSM after you enable RAID. Not sure if this will help but I also saw it in a google search when I looked into your issue.

    You may just find a clean install is the fastest way back. If so you can download the latest the latest version of Win 10 at


    MS knows your machine and will re-activate the license. If it doesn't like the hardware changes we have a tutorial on activation, disk changes shouldn't be an issue.

    In your Asus manual it discusses adding the Raid driver as you load Windows.

    I'm sure other members will have different solutions so it may well be worth waiting. At least you can get Win 10 which you should have anyway.

      My Computer


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