DELL Precision 7920 Raid driver

We tried reaching you on a private message asking for the Service Tag number to ascertain the warranty but did not receive a response. Please feel free to reply to the private message whenever you are available.

What is the name of the raid controller?

Hello I have similar issue. 

I recently re-install the OS. (because I switched Legacy Bios to UEFI)

and flex bay (NVMe bay) does NOT work and I have those unknown RAID controller in the device manager. so I am suspicious those are NVMe M.2 Flex Bay. How/Where can I get those driver?

Thanks.

DELL-Cares would help you to ascertain warranty status and routing your help ticket to the right personnel.  You need to use direct message to provide your system tag.  Or you can click on Get help now to chat with them.

As for your question, you can get the drivers for your 7920 system here https://www.dell.com/support/home/en-us/product-support/product/precision-7920-workstation/drivers 

You have the vROC key installed?

If so there is a driver from intel you can download and install that will enable that to work.

Do a search for "VROC_7.8.0.1031_PV_Releasepackage_Public"