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Monitor turns off

Hi, i have an Advent allin one pc and the screen keeps cutting out. I will be surfing the net and i'll hear a click and the screen goes blank. So i have to turn it off by holding in the power button and then turn it on agian, i understand that this is not good for the pc but what else can i do? I think it is over heating or something and the sound i hear is a trip switch but sometimes i can be on the pc for the whole day and it doesn't break down. Can you help me please?

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I'm not familiar with that particular model, but in common with all computers there are a few things that could cause the symptoms you describe.

A heat build up can cause that to happen - like a laptop computer that cannot draw in air from underneath because it is resting on a desk/carpet .. air vents on the base of a laptop/computer should be kept clear. Ideally, laptops should be on a holding stand that allows an air gap underneath.

However, you say that it is only the screen that goes blank - the computer is still powered up. This suggests one of two things.

There may be a fault in the video circuitry (the card or chip) which 'throws' the display every now and then. It could also be faulty/failing RAM which, depending on what you are doing at the time, can cause the exact same symptom.

Just to confuse matters even more, a faulty or failing power unit can cause the same symptoms, though admittedly, it would be unlikely that your computer would remain powered up whenever the fault occurs.

Take the easiest first .. search for 'Free windows registry repair 1.2' and install it. Use it to scan the computer for registry faults and then click on 'fix errors'. If there are any registry faults causing the problem .. hopefully they will be fixed.

If you can, remove your RAM - the memory modules - from your computer and take them to a computing shop where they can be tested. Alternatively, can you borrow similar RAM from a friend and install it in your pC to try and re-create the fault? If you do this and the fault doesn't reappear - you know you have faulty RAM.

It's difficult fixing a computer and identifying faults unless you have it there in front of you. I would suspect the RAM. Take it out and have it checked.

Posted on May 18, 2009

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