A liquid spill or submersion in liquid has rendered your hard drive or SSD inoperable.
You can’t find a file or group of files that you know should be on the hard drive.
Your drive has suffered some kind of electrical damage (power surge, blackout, lightning, etc.)
The drive or computer was dropped, knocked down, tipped over, punched, thrown, smashed, or had something fall on it.
Your drive boots or is recognized (often very slowly), but the recovery or transfer of the data isn’t possible or practical.
A RAID system or NAS drive that no longer detects can be caused by a myriad of potential issues.
Strange noises are a sure sign of physical damage to your hard drive.
Your HDD doesn’t make any noise when your computer is turned on. This is usually a hardware problem.
If the drive is connected and configured correctly and still doesn’t detect, it’s time for our services.