Why does computer turn itself back on after i put it to sleep?

This computer ( HP Pavilion Slimline model# s5107c, Product # NP212AA-ABA, Software Build 93NAv6PrA3 ) runs on VISTA Home Premium-64. It had a virus which required the technician to save my files and wipe everything out and then reinstall VISTA and my files. Since then when I put the computer in sleep mode, it turns itself back on after a few minutes.
I can find the settings for having the computer put itself to sleep after so many minutes, but can't find any setting for the computer turning itself back on.
Help please. The computer tech has not been able to help me thus far.
This question was solved.
View Solution.

Found this step online. Hope it works for you.
Go to >>> "ScreenSaver" >>> "Change Power Settings" >>> "Change Plan Settings" >>> "Change Advance Power Settings" >>> "Multimedia Settings" >>> "When Sharing Media" >>> and make sure the setting says "ALLOW THE COMPUTER TO SLEEP."

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☞ Enter the first few letters of its name into a Spotlight search. Select it in the results (it should be at the top.)
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Why does computer turn itself back on after i put it to sleep?

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