Switched from RAID to AHCI in BIOS and lost reboot abilities


  1. dictum
    Posts : 502
    Microsoft Windows 10 Home 64-bit 18363 Multiprocessor Free
       New #1

    Switched from RAID to AHCI in BIOS and lost reboot abilities


    I have MSI Titan GT80 SLI running latest Win10... actually two of them configured nearly identically.

    Both came with the RAID enabled. I undid the RAID. Now the disks are separate and the OS is just on one disk. Ever since then, I lost the ability to reboot. It comes down and then hangs upon the MSI Logo "Splash screen".
    Both machines.

    I switched back to RAID mode in BIOS and reboot works. However, in RAID most it doesn't see all 4 disks, but only 3 out of 4. The remaining 2.5" SATAIII SSD it just doesn't see. (Whatever goes in its place, SSD or HDD).

    I went back to AHCI since there is no point in RAID and ever since then have been doing shutdown and then boot. Reboot just doesn't happen.

    I am not sure it's a win10 issue, could be the issue with the vendor and the BIOS or such. Still wondering if anyone else had to deal with that.
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  3. Samuria
    Posts : 6,916
    windows 10
       New #2

    You will have to do a windows repair as boot files are different is it gpt or mbr disk?
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