Question about HP Pavilion a800n (PP163AA) PC Desktop

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Hp Pavilion a530e will not power up shortly after powering down

The computer works fine except it just will not turn on within 10-15 minutes after turning it off. I did notice the CPU fan starts off at the slow speed right away if it's going to work and starts off much faster when it is having the problem. If you turn it off within 10 seconds or so of first turning it on you can get it to power back up again but if you wait much longer it makes you wait 10+ minutes next time.

I already tried removing all the cards, tried different memory and a different power supply with no change in the behavior. The capacitors all look good visually but I suppose still could be bad.

Think this is a mother board problem or CPU?

FYI... I won't give bad feedback to people who try to answer my question!

Thanks!

Posted by Anonymous on

  • Anonymous Nov 07, 2007

    The data on the HD is fine... the problem is not with the HD and happens even with the HD disconnected. The unit will not boot up at all when the problem happens, not even to bios.

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Have you tried 2 reformat your system.. i suggest u try 2 fornat it and see f dat problem still exist.. hope it can help

Posted on Nov 07, 2007

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Install power supply


No Power on an HP Pavilion PC Desktop b> Desktop computers are simultaneously more complex and easier than laptops when it comes to troubleshooting. There are more physical components on a desktop, so locating a specific troublesome part can be tricky, but working inside of a desktop computer is straightforward compared to opening and fiddling with a laptop. Power problems are always hardware problems. There are a few simple, preliminary steps to troubleshooting, but power problems often require opening your computer and having a look inside.

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Hi,

There is a good chance that the power supply is faulty. This occurs because there are high voltages present in a power supply when in use. Electronic components have a tendency to be very reliable when in constant use, but when they are not used for some time and then suddenly receive current when turned on, they often blow due to the sudden flow of electrons.
Try obtaining a working power supply from another computer and test if your PC switches on. If this does not solve the problem then I would suspect a RAM problem.
Remove the RAM from the motherboard and clean the contact points using an electrical pc board cleaner. This is also a common cause of a PC not turning on.

Please don't hesitate to contact me again should these options not solve your problem.

Best wishes,
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