There is a term that should be introduced here.
Diy clean room hard drive repair.
Trust me it is.
Sometimes it s possible to fix a dead hard drive by replacing the controller board with one from an identical model make sure every model number part number etc is identical.
This is the prevention and the reduction of dust particles and contamination of the hard drive platters but is this necessary.
Typically specialized contractors will use what is called a particle enclosure in order to stop contaminants from coming in.
Having worked for a major hard drive manufacturer repairing damaged destroyed hard drives for a living i have one small note about the procedure taken to repair the drive.
Hard drive data recovery costs hundreds to thousands of dollars which just isn t worth it for most things.
Some people have success with freezing the hard drive.
What is a clean room for hard drive repair data recovery.