Having problems with your HP Pavilion 504n (DA190A#ABA) PC Desktop ?

Lockup My computer works great except, it frequently freezes and will not take any input from the mouse or keyboard. It generally does it while you aren't using any input. Loading of a page or navigation on line. There is no pattern to it and it's even froze a couple times on the screen saver. I can seldom go for more than a couple hours without this occurring, sometimes only a couple minutes. The only cure is a reboot. I'm pretty sure it's a hardware problem. I've added a second hard drive, a f


Answers :

Make sure that all of your internal fans are running. Power up the computer with the case open (just take the side panel off). As I am sure you have seen from making upgrades, there is a fan over your processor on the motherboard. Make sure it is spinning. Also look on the back and make sure the fan on the power supply is running. These fans may need to be cleaned. This can be done using a spray can of compressed air (it is recommend to clean the dust out of a computer at least once a year). The fans may just be gunked up and not running properly. If there are smokers in the house, do not let them smoke around the computer as the tar in the cigarette can build up over time on the fans and computer components and cause some major problems. If cigarette tar is the issue then clean the fan blades off with a q-tip. If the fans still do not work they may need to be replaced. Some computer stores sell fans that will work for your current model of heat sink, which sits above your processor. If the power supply fan is not working then you need to replace the power supply. If the powersupply needs to be replaced then make sure to match the wattage of the new power supply to the one you currently have. You may buy a power supply with a higher wattage rating as well, just make sure it will fit!

I have assumed that the problem is with heating because you said that things were running like loading a page or when a screen saver was running. These processes make your processor work harder and it builds up more heat and can cause your system to freeze by causing writing errors to and from RAM.

There is a slight possibility that this could be software related. If the computer fans are running then run an antivirus program to make sure that there are no viruses on the computer.

I sure hopes this helps. If you still have problems, then let me know and there may be some other steps we can try.
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