That's unfortunate just because those never leave clean cuts and they take a while to heal fully. At least it was minor **I find it humorous that the emoji I used is the "Thumb" smiley... Just thought I'd throw that out there**
That drive should be fine then.
And I had to make sure you ran the correct test because other hard drive diagnostics have a "surface test" and it takes 20 minutes and tells you nothing - hence my confusion.
For your SATA controller to recognize a RAID, it has to be in RAID mode. This means it is now looking for all disks, including those that are marked as being a member disk in a RAID.
If you were to boot a hard drive diagnostic, it queries the SATA controller, and it will report that there is 1 hard drive (your RAID) instead of 3 individual ones. The hard drive diagnostic software will not be able to test this drive properly. It will either say there is no drive, or it...
If your hard drives start making noises they haven't made before - that's bad.
1) Back up all your data externally if possible - you don't know if it's only one drive in the array making the noise, or if multiples are.
2) Run WD Tools - it's about the only hard drive diagnostic that reliably detects and tests RAIDs without a lot of false-failures.
3) If it fails testing as a RAID, you have to isolate the bad drive and replace it - if your RAID control software keeps logs,...
Bad RAM doesn't cause no video output, it causes it to simply not boot.
1) Is it plugged in? Make sure all power plugs are fully populated.
2) Are you sure it's actually completing the POST step and attempting to boot? Does the motherboard have an LED screen or CMOS speaker on it? Does it give you any error codes or POST codes. Does the speaker put out a single beep? Etc.
3) Try the GPU in a different slot on the motherboard. If it's POSTing and there's no video, odds are...