Would you like a step-by-step for one specific symptom (e.g., “Drive spins but not detected”, or “Drive detected with 0GB capacity”)?
When a WD drive fails with symptoms like spinning up but not being detected, clicking, or reporting 0GB capacity, the issue is often corrupted firmware or a degraded "Media Cache." Windows cannot fix this. Only vendor-specific commands, known as ATA Vendor Specific Commands, can access the hidden system modules. wd marvel repair tool 18