IT Queries: Computer problems answered

My superseded XP PC tower will no longer fire up. When I switch it on all I get is an intermittent beep. Someone suggested that my RAM is kaput. Any comments? Alternatively is it possible to load my new Windows7 PC with XP as well as I have programs that will not run on Win7?

The Intermittent beep is what’s called a POST (Power On Self Test) error. When you turn the computer on it runs through a set of tests before trying to load up the operating system, in your case XP.

Because the computer has found an error before the video system started, it has to use beeps to communicate what the problem is and your motherboard manual should tell you what the POST error codes mean.

Often an error like this is due to something like the RAM modules or one of the expansion cards working itself loose so it’s worthwhile getting the local computer tech to have a look or – if you’re confident – pop the box yourself and make sure all the cards are firmly seated in their sockets. Remember to ground yourself first.

It is possible to run most XP programs on Windows 7, a service for this is Windows Virtual PC.

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