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I have a Dell Dimension 5150 running Windows XP, it has a Intel Pentium dual core 2.8ghz processor and 2gb of ram. It also has 5 users, of which only one is an admin. The others are limited.

Could anyone suggest a reason it might be turning itself on automatically as when ever I get home it is on, having always turned it off the night before, and a way to remedy this.

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  • Are you shutting down or putting it to sleep/hibernate?
    – SgtOJ
    Nov 30, 2010 at 20:24

3 Answers 3

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Dells come with a BIOS option to turn themselves on at a certain time. Look into that.

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  • Thanks =) that did the trick, looks like someone hda decided to fiddle with the BIOS
    – Sam
    Dec 16, 2010 at 23:03
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I've seen a couple Dell machines that did this, too - check and see whether "Wake on LAN" is enabled in the BIOS. If it is, there might be some network activity that is causing it to turn on by itself.

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  • Good tip, I didn't even think of this.
    – user3463
    Nov 30, 2010 at 20:29
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another thing to check is to see if there are any Tasks scheduled that are set up to wake the computer when they run

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