Computer goes to screen after sitting

September 30, 2012 at 14:21:29
Specs: Windows XP
i have an Xp computer that I use as my second. and is left on. I mostly use it for the printer whcih is attached. Lately afer it has sat over night, the next morning all I see is the blue MS screen. the only way I can see desktop is to unplug and replug.for reboot
I suspect it is overheating due to fan failure, BUT I can hear the fan running. If not that what?
I have a fan that I've taken from another desktop. Are these specific to the model? Computer is AcerS280
Appreciate your help

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October 1, 2012 at 01:11:40
"I have a fan that I've taken from another desktop. Are these specific to the model"

It depends which fan it is. If it's a graphics card or CPU fan then, yes, they are specific to that type/model of CPU or graphics card usually.

If, however, you are referring to a case-fan (ie it just attaches to the case interior, doesn't sit on a component) it's less critical. You can fit just about any type of case fan you can get hold of. So that may be the way to go, just fit a couple of case-fans (or leave one side of the PC case off as long as kids and pets can't get near it).

But a failing fan isn't the only cause of overheating:

1. The CPU may be overheating because the thermal paste is no longer doing a good job. See this:

2. A build-up of heavy dust deposits inside the PC & on components can disrupt airflow & cause overheating. Fix that with a purpose-made canister of dry, compressed air. wait for a fine, dry day.

Remove the side of the case which reveals all the components. carry it outside & give it a careful blast all around with the dry air canister. You can do it inside of course, but it will save making a dusty mess all over your PC den if you do it outside.

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October 1, 2012 at 09:04:31
So do you think overheating is the problem. If it is why would it immediately boot when I un-replug? Not wishing for something worse but just wondering

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October 1, 2012 at 23:56:14
Check standby and hibernate settings in power options in control panel. If you made changes to them before the problem started then revert back to what they originally were. Disable any screensaver you may be using.

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