Posted 19 March 2008 - 11:25 AM
One of the most common problems that shuts a computer down is over heating, especially in computers that have been sitting around for a couple of years. Open the case and look to see if there is dust indisde, look a the heat sink and fan assembly on the CPU, and check where the air is drawn into the case. You can purchase a can of air from most hardware stores or you local electronics shop. Any where that you see dust inside should be blown out. When blowing out the fan you can place a pencil through the blades to keep it from spinning.
You can also check the Event Viewer to see what errors are showing up at the times when the computer shuts down.
Start> right click on My Computer> Manage> Event Viewer. Click on system in the Event Viewer, errors will be recognized by the red dot with a white X inside. Each of the columns has a title at the top of it, if you follow an error from the left side of the screen to the right to the Event column and right click on the number and choose Properties another page will open with a description of the error. Please post those and the error number back here.
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