Windows lost m2 SSD

TBirdUK

TBirdUK

TBirdUK

Soldato
Joined
9 Jul 2005
Posts
2,618
Location
High Wycombe
Hi, Can anyone help.

Computer was working fine, then I came back and booted it but it said there was no boot drive - it has an M2 SSD and a SATA SSD, with the windows on the SATA. I think there was a windows update but Iouldnt do anything, SATA not seen in bios and ended up doing a full re-install to the M2 as nothing in repair or the backup I had made on a USB would work to recover it.

I didnt change anything in the bios or drivers and once windows re-installed the SATA SSD was there again. Mobo is an ASUS rog strix b450-f Gaming and both SSD were brand new from OCUK - any ideas?
 
I'm a bit confused, you say Windows lost the m.2 but it was the SATA that was missing, even from BIOS?

And once you reinstalled Windows on the m.2, the old Windows install on the SATA was suddenly detected again?
 
sorry, meant that it lost the SATA and windows could only see the M2 - I thought it wsa the other way round when I did the re-install and deleted all my games......thats a lot to download at the connection speeds I get!

Yes, once I did the re-install on the m.2, the SATA was detetced and it had windows installed...?
 
The only thing I can think of is if, for whatever reason, the motherboard's CMOS got reset wiping all settings, and it then was defaulted to UEFI mode but the Windows install on the SATA drive was in Legacy mode... even with a loss of power it's unlikely, but possible if the motherboard battery was dead.

Was there any sign of a loss of power.. and/or did you have to fiddle with anything to get it to boot?

(edit: even then it should see the drive in BIOS if I remember right)
 
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