Help. Do I need new hard drive...if so, how do I find correct one. Computer will not startup in order to view specs.
Troubleshooting: My computer won't turn on
Mac OS X: Gray screen appears during startup
which Mini do you have?
How to identify Mac mini models
If less than Mountain Lion, insert an install disk and repair the startup drive.
If Lion or later boot into Recovery and repair the disk
OS X: About OS X Recovery
Retrieving data ...