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Help - New build not waking from sleep mode

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September 6, 2012 8:43:06 PM

Hey everyone. I have got a small issue that I am trying my best to figure out. I have a new system I built about 2 weeks ago. Works great normally but after about a week a problem has started. After putting the computer into sleep mode, it will not wake up. Hitting any keyboard key/hitting the power button, nothing will work. To get the computer back up and running, I have to remove the powercord from the back of the PSU and plug it back in and jiggle it a bit. Then it will come back on. This doesn't happen everytime, just when the computer has been in sleep mode for a longer period. To me, this says the power supply may have an issue or the harddrive, but I would like to know what you all think. Here's my specs.

PSU: http://www.newegg.com/Product/Product.aspx?Item=N82E168...

CPU: http://www.newegg.com/Product/Product.aspx?Item=N82E168...

MOBO: http://www.newegg.com/Product/Product.aspx?Item=N82E168...

GPU: http://www.newegg.com/Product/Product.aspx?Item=N82E168...

RAM: http://www.newegg.com/Product/Product.aspx?Item=N82E168...

HDD: http://www.newegg.com/Product/Product.aspx?Item=N82E168...

If you need to know anything else, let me know. Thanks.

September 6, 2012 8:52:43 PM

Have the latest BIOS? Any problems in Event Viewer?
September 6, 2012 8:54:26 PM

The moment I posted this I thought I might need to update my BIOS. I will check into that. No problems in Event Viewer though.
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September 6, 2012 8:58:52 PM

Try holding the power button for 5 seconds to power it off. It's always better to power off safely rather than unplugging the power cable while it is on.

Also, check device manager and make sure there are no yellow exclamation marks on any of the devices. Faulty drivers can prevent waking from sleep mode. There is also an off the wall chance that somehow your USB mouse/keyboard driver does not have the option checked to allow it to wake the computer from standby. Check the Power Management tab of the Keyboard and mouse driver properties under Device Manager and make sure "Allow this device to wake the computer" is checked. I'd also check the notes on the mobo manufacturer's website to make sure that there isn't a BIOS update that can fix the issue.
September 6, 2012 9:04:02 PM

bourgeoisdude said:
Try holding the power button for 5 seconds to power it off. It's always better to power off safely rather than unplugging the power cable while it is on.

Also, check device manager and make sure there are no yellow exclamation marks on any of the devices. Faulty drivers can prevent waking from sleep mode. There is also an off the wall chance that somehow your USB mouse/keyboard driver does not have the option checked to allow it to wake the computer from standby. Check the Power Management tab of the Keyboard and mouse driver properties under Device Manager and make sure "Allow this device to wake the computer" is checked. I'd also check the notes on the mobo manufacturer's website to make sure that there isn't a BIOS update that can fix the issue.


No yellow marks. And no, both the mouse and the keyboard can wake the computer normally. Just after being in sleep for an extended time, they can't.

I'm checking on the BIOS. Hopefully that is the answer. If not, I can probably just live without sleep mode.
September 6, 2012 9:22:16 PM

BIOS didn't seem to help. I let the computer sit in sleep mode for about 40 minutes. Hit the keyboard/power button... nothing. The fans don't kick on, nothing makes a sound. All I have to do is jiggle the power cable, hit the power button, and bam everything kicks on. I'm not entirely sure its the PSU. I can play on the computer for hours on end with absolutely no problems. The more I think about it, the more I think the MOBO may have problems waking from sleep mode. Thoughts?
September 6, 2012 9:54:01 PM

Do you have the latest BIOS update for your mobo?
September 6, 2012 10:27:53 PM

bmcdee123 said:
BIOS didn't seem to help. I let the computer sit in sleep mode for about 40 minutes. Hit the keyboard/power button... nothing. The fans don't kick on, nothing makes a sound. All I have to do is jiggle the power cable, hit the power button, and bam everything kicks on. I'm not entirely sure its the PSU. I can play on the computer for hours on end with absolutely no problems. The more I think about it, the more I think the MOBO may have problems waking from sleep mode. Thoughts?


Don't use sleep mode? Does the same happen in Hibernation mode?
September 8, 2012 12:58:05 AM

I am having a similar problem. In device manager all of the settings are correct. Upon awaking from sleep the case fans begin to spin but the monitor does not turn on, and I can't hear the hard disk wind up. I'll Try jiggling the power cable next time this happens and let you know if it works for me.

Relating to the BIOS, I haven't updated it yet and don't think that it will help out my situation judging bu your outcome. What else have you tried?

And I have attempted switching the suspension modes from hibernation to sleep, and the same problem occurs. Fans begin to spin in both cases, but hard disk does not wind up and monitor does not turn on.

-EDIT 9/8 Jiggling power cord does nothing. Ordering a new MOBO soon, I'll edit back to tell you if that solves it.
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