PC shuts down instead of going to sleep

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xiipe16

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Dec 27, 2013
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When I try to sleep my computer via the power button(which I assigned to make it sleep) or via Windows Logo > Power > Sleep, it shuts down instead.
 
Solution
Chicano
Resetting the BIOS is to remove corruped user setting... so if that's not the cause resetting it will not make a diffeence. Try confuguring what the power button does according to the Windows Control Panel > Power Options > Power Plan in use > Power Button. What it does when you press it should be Go to sleep... but the BIOS has to have S3 enabled... S1 only makes it run very slow... but there is the possibility the BIOS is already in S3 since S1 is an old setting the is mostly not used nowadays.
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For Sleep mode to work you need the BIOS power saving mode enabled... if this doesn't work, search for your motherboard's PDF manual (mobo model product page downoads). The manual should include BIOS information to locate the S1, S3 settings.

S1 and S3 are for the type of sleep mode... very old computers that had S1 only got to run idle when in sleep and later on the BIOS included S3 that makes Sleep mode completely shutdown the computer like hibernation (which saved data to a Windows file) and wake up in seconds... but you have to keep power enabled because in Sleep mode, data is saved to RAM.
 
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If i enable power saving mode in BIOS, im certain that my PC will function slower because of reduced voltage. I've checked the mobo manual and i could not find anything relating to sleep mode in bios.
 
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Your computer will not necessarily work slower.. The BIOS power saving options are enabled by default so you will not be doing something that's out of the ordinary.

One thing are the Sleep and Hiberrnation settings and quite different and unrelated are the working system settings... these control the timing before monitor, HDD, and system enter sleep after being left idle.

Also in the Windows Power Options you can configure what the power button does as well as what the Start Menu shutdown button does, according to the S1 - S3 BIOS settings. This is what I should have mentioned in the first place but if I'm not mistaken, it's enabled by default to go to sleep when you quickly press the power button, and to shutdown if you hold it pressed... It shuts down due to the BIOS power Options being disabled.

What you say by:
"im certain that my PC will function slower because of reduced voltage"
Click to expand...
is related to the processor clock speed and you can control that in the Windows Control Panel > Power Options > Power Plan. You can configure the processor clock speed with the Power Plan's CPU minimum and maximum.

The S3 BIOS setting will ;probably be enabled if you set the power options to enabled... you will know if the computer goes off (apparently) when it goes into Sleep Mode

 
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Resetting the BIOS is to remove corruped user setting... so if that's not the cause resetting it will not make a diffeence. Try confuguring what the power button does according to the Windows Control Panel > Power Options > Power Plan in use > Power Button. What it does when you press it should be Go to sleep... but the BIOS has to have S3 enabled... S1 only makes it run very slow... but there is the possibility the BIOS is already in S3 since S1 is an old setting the is mostly not used nowadays.
 
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Solution


Should I just clear CMOS to be on the safe side?
 
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