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Some more derails are needed. What make and model is the computer and what type. It has Visa ta and you did a restore. Before that you had some troubles? Virus? System crash?
Can you still get on the internet? Do you have a USB flash and does you computer allow you to boot up from a Flash drive? That would be a way to see if the problem might be with only the hard drive and not thee rest of the computer.
TMGS Computer DiagnosticsSeptember 2010
TMGS Computer Diagnostics.
There are many great computer diagnostics tool suites on the market, but all of them will set you back a few bucks. The TMGS staff decided to compile a list of our favorite free computer diagnostics and package them in a USB flash drive format for use on any system.
Hope that might help. If you PC is not working well, get a friend to download the program and put nit on a Flash drive.