Having problems with your HP Pavilion a620n (PC028A) PC Desktop ?

Hp a 620n pc freezing up????

\015 My hp a 620n freezes after being on for only 5-10 minutes and there is a hesitation sound coming from the unit????\015

Answers :

It does sound like an overheating computer they are designed nowadays to shut themselves down if there is a problem
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\015\012What you should do is check the fan assembly and if it is loose at all that would give good reason to do what I am going to advise.
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\015\012Disconnect the fan from the board.
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Check your manual for the exact instructions but you should remove the cooler completely
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\015\012DO NOT REMOVE THE CPU
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\015\012Now with nothing more than isopropynol and cotton bud sticks or another alcohol based cleaner remove the old thermal grease / sticker from the top of the CPU (make sure it is clean)
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\015\012At this point it is up to you but you could consider a newer better cooler
You could take your old cooler to a good computer shop show them it and just ask for a better one
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\015\012If you are using your original cooler then here we go
Do the same with the underside of the cooler.
While the cooler is off it may be worth giving it a good 8low job
.
Now apply some new thermal grease (most computer shops have it)
Be careful about how much you put on
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\015\012Here are some basic instructions
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\015\012Once you have re-assembled your cooler and re-connected it check everything is OK and power up the computer.
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\015\012If everything went to plan you should now be back in business.
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Another consideration is that many cases have places in them for extra fans and usually extra connections on the motherboard too.
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\015\012They are quick and easy to fit.
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\015\012Quite often I will fit TWO in what is called a push/pull configuration. One pulls cool air in while the other pushes hot air out.
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