It all depends on what the fault is. It is possible to swap the platter into an identical hard drive, or swap a faulty circuit board. Opening the sealed cover will allow dust in, unless done in a clean room.
Although a repaired drive may work, it's life will be shortened by the contamination.
Yes, there is a company that specializes in hard drive repair. One of them would be DTI.
the hard drive
"Festplattenlaufwerk" is a German equivalent of "hard disk drive" of computers.
All computers use a hard drive to store programs and files.
hard drive
The purpose of SCSI hard drives are to exchange information between separate computers. Whereas, EIDE hard drives addresses a computers interface between its individual hard drive and its storage disks.
"Discus fixus" is a Latin equivalent of the "hard disk drive" of computers.
The hard drive connection frequently used in modern computers is SATA (Serial Advanced Technology Attachment).
Information on how to repair a portable external hard drive can be found on the net, at local computer-repair stores, or in computer repair manuals and books.
What are the prosiejers to install a hard drive besides the computers motherboard
you can go to the service center of your external hard drive.
Any hard drive company will most likely repair your hard drive. But also check your local privately owned computer stores they also may have a repairman there that can do it.