PC help: What’s that noise?

Q I recently bought a new computer and rigged up the old one in my shed, using broadband via my router.

Recently when I switch on the shed computer, all I hear is an intermittent beeping sound, and nothing shows on the monitor.
Rob Derrett

A When you switch on a computer, it goes through something called a Power-On Self-Test or Post. This makes sure everything is present and correct in terms of the computer’s hardware.

A single beep at this point indicates everything is fine. More than one beep indicates a problem. Continuous long beeps mean there’s a memory problem.

If you’re confident working inside the computer, take off the case and use the long attachment of a vacuum cleaner to remove any dust (don’t bring the vacuum cleaner too close to the computer).

Then make sure the memory is properly seated by pressing softly on the top of the memory module.

If the problem continues when the case is replaced and the computer rebooted, one of the modules may have failed, in which case it may need to be replaced.

Buy a replacement module using the checker at www.crucial.com/uk to select the correct one for your computer.

If you’re not confident poking around inside the PC, take it to a reputable local repair shop.

The documents and programs on your hard disk should be safe throughout.

If you’re keeping a computer in a shed outside, make sure it’s properly ventilated and there’s no moisture.

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