tech support black white screen in dialog box

December 4, 2011 at 17:37:29
Specs: Windows XP, compaq pasario 15000 series
when I walk away from comp and leave intenet on, then screen saver comes on. When I return and proceed to what I was doing dialog box is black for a few mts and then comes back to normal. or when I use down arrows on the tool bar, they stay in dialoag box while it trys to go to the place I have chosen.
computer hangs.

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December 4, 2011 at 18:21:28
Why is my computer running so slow, it used to be much faster?

Signs of Computer Power Supply Failure Symptoms

Could be overheating.
Take a cover off & clean out the dust, put an external fan on & see if it behaves with the extra cooling. Make sure all the fans ( including the power supply ) are spinning fast, with the power off, give them a spin with a matchstick to make sure they are not stuck.

Curing Laptop/Notebook Overheating
Cleaning a Laptop/Notebook Computer

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December 4, 2011 at 18:23:21
Run this to see if it finds a faulty device, it provides links to possible fixes.


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