Need more info:
 
-Do you have a RAID array setup?  NVME or SSD?  Are your RAID disks healthy? 
-Maybe triggered by Windows update?  Roll back to prev known good state?  Which windows ver?  README says there's "known issues" with W11 NVME RAID.  
-Maybe UEFI reverted to defaults and need to reload your config?
 
Found in the documentation on evga download:  
Windows 10—Manually
1. Backup the user data before doing any upgrade.
2. Open a browser and access the Web Site of your system supplier or motherboard vendor.
3. Download the AMD-RAID Drivers from the Web Site and copy it to the Systems C:
drive.
4. Open Computer Management -> Device Manager.
5. Expand Storage Controllers.
6. Select the first AMD-RAID Bottom Device:
• Right click and select Update Driver Software.
• Click Browse my computer for driver software.
• Click Browse, set the path to the Systems C drive.
• Click OK.
• Click Next.
Note: If a Window Security Window pops up, select Install this driver software anyways.
• Click Close.
• At System Settings Change pop up prompting the user to restart the system, Click
No.
7. Select the first AMD-RAID Controller:
• Right click and select Update Driver Software.
• Click Browse my computer for driver software.
• Click Browse, set the path to the Systems C drive.
• Click OK.
• Click Next.
Note: If a Window Security Window pops up, select Install this driver software anyways.
• Click Close.
• Click No at the System Settings Change pop up prompting the user to restart the
system.
8. Expand System Devices.
9. Select AMD-RAID Config Device:
• Right click and select Update Driver Software.
• Click Browse my computer for driver software.
• Click Browse, set the path to the Systems C drive.
• Click OK.
• Click Next.
Note: If a Window Security Window pops up, select Install this driver software anyways.
• Click Close.
10. Restart the System.