M.2 SSD not visible

Moose · Feb 3, 2019

So my GF's dell PC seems to have a M.2 connected 32GB SSD, we didn't realise and set the PC up (after a reinstall), without noticing.

When booting it up, it is shown on the boot screen as disabled, and sure enough we cannot see it in hard disk management in windows.

For some reason the hard disk modes are set to RAID but none is setup.

Anybody know if changing to ACHI will muck everything up? I don't know what is on the SSD.

Ahhzz · Feb 3, 2019

It looks like it's set as a "Cache Disk", which probably shouldn't show up in DM. I don't think I would tweak it, unless you plan to completely reload it, and load Windows to the 32Gb, which wouldn't hold much else. I recommend leaving it as is.... But wait for other input to make a final decision

sneekypeet · Feb 3, 2019

Agreed that the intent is for cache drive duty.

commission3r · Feb 3, 2019

Moose said:
So my GF's dell PC seems to have a M.2 connected 32GB SSD, we didn't realise and set the PC up (after a reinstall), without noticing.

When booting it up, it is shown on the boot screen as disabled, and sure enough we cannot see it in hard disk management in windows.

For some reason the hard disk modes are set to RAID but none is setup.

View attachment 115627

Anybody know if changing to ACHI will muck everything up? I don't know what is on the SSD.

it's set to raid 0 in the bios, probably for the performance benefit but the disks are not running in raid. its essentially ahci.

Moose · Feb 3, 2019

I hope to just use it as another disk, possibly to put something that would benefit from fast read speeds like a game. However I don't know how to remove teh cache disk feature.

newtekie1 · Feb 4, 2019

Install Intel Rapid Storage under Windows. That should let you control the SSD and configure it as a cache to one of the other drives in the system. So you can set it to cache the 2TB hard drive in the system. It actually helps quite a bit.

Also, I don't think that is an M.2 drive, it is an mSATA drive.

Moose · Feb 8, 2019

Managed to get it to work eventually, had to install an old version of Intel Rapid Storage to get it to work though! Thanks for all the help

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M.2 SSD not visible

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