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Can't find option to switch between RST and AHCI

lk flag

So I have an HP OMEN 15-dc0xxx and was trying to dual boot Ubuntu 20.04 alongside Windows. Almost all guidelines I have seen on the subject mention switching controller mode to AHCI, but I can't find it anywhere in BIOS! I also have optane but I disabled it beforehand, and still can't find controller mode.

Screenshot of the Sub menu in bios labeled Intel RST

galexite avatar
pk flag
If you've disabled Optane, you've disabled RST, I believe. Also, that screenshot shows that the disk isn't in a RAID array.
Bassel El Garaihy avatar
lk flag
Thank you for your reply. That's what I saw in most guides, disabling optane led to ubuntu working, however they always had the step of switching storage controller to AHCI. I'm confused at this point because it still doesn't work. Concerning the RAID part, really? I tried reinstalling and it didn't work, any ideas?
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