When computer storage devices fail, there are a number of reasons what has caused the failure. There are two main types of failure, each with several sub types of failure. The two main problems are.
- Logical problems or Software Problems
These problems are associated with data itself, for example deleted file.
- Physical problems or Hardware Problems
These problems are associated with the physical storage device, e.g. the hard disk or memory card is not recognized, or is running very slow.