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some time ago(10 years back) I've read on PC Magazine that some mainboards have some settings which allow to a computer to open at a certain hour. I need to make my computer to wake me up in each morning. How can I do that ? What MB settings allow this feature?

ps: i will like to shout down the computer during the night(not sleep or hibernate mode). ATM I'm using windows xp and 7 on my computers.

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+1. Looking into this myself, as I need to start powering down my PC at night. It is drawing too much power. I will answer if I find a working result. –  Myersguy May 26 '10 at 7:55
    
Scheduled Tasks .. maybe –  jjj May 26 '10 at 7:58
    
Do you want the PC to start at a certain time in the morning, or to use the PC as an alarm clock (to wake you up), or both? –  sblair May 26 '10 at 8:18
    
    
Add to the comment of jjj a pretty obnoxious Windows-start music, and the deed is done. –  harrymc May 26 '10 at 8:44
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1 Answer

up vote 6 down vote accepted

Most BIOS have an option to wake the computer up at a defined time. This option is usually named "Resume by alarm" or "Wake-up on RTC", something like this (not wake on lan, though, this is something else).

You can find more details about it at this article.

resume by alarm bios screenshot

Nb: You can find a list of keys to enter the BIOS setup at this page. It should however be written in a corner when booting the computer.

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