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Windows 7: PC Won't Resume if Screen Goes Black/Won't Go Into Sleep Mode


20 Nov 2010   #1

Windows 7 Premium Home Edition
 
 
PC Won't Resume if Screen Goes Black/Won't Go Into Sleep Mode

I'm having a problem where if my laptop is idle and the screen goes black, I can't get it to resume. I try moving the mouse and hitting buttons, but nothing happens. I have to completely shut the PC off and start it again. Also, if I put it to sleep, the same thing happens (it goes black but doesn't sleep or resume). My drivers are all up to date but it still happens.

My System SpecsSystem Spec
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20 Nov 2010   #2

Microsoft Community Contributor Award Recipient

Windows 7 Home Premium SP1, clean install, upgrade disc
 
 

My System SpecsSystem Spec
20 Nov 2010   #3

Microsoft Community Contributor Award Recipient

Windows 7 Home Premium x64 SP1
 
 

Some things to try:

Start> Type Sleep in search box> Click on change when computer sleeps> Click Change advanced power settings> In the menu window, expand Sleep> Change Allow hybrid sleep to Off> Click OK

OR

Start> Type in Device Manager> Expand Universal Serial Bus controllers> Now you will see a list of USB devices

Look for Root Hub listings> Right click each listing and choose properties> Click on the Power Management tab> Untick box for Allow the computer to turn off this device to save power> Click OK

Repeat this action on the other USB Root Hub items

See if this allows the keyboard or mouse to wake the PC.

A Guy
My System SpecsSystem Spec
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21 Nov 2010   #4

Windows 7 Premium Home Edition
 
 

I did all that, and it's still happening.
My System SpecsSystem Spec
21 Nov 2010   #5

Microsoft Community Contributor Award Recipient

Windows 7 Home Premium SP1, clean install, upgrade disc
 
 

Go to search
type
device manager
In device manger look for any yellow makers or parts of tree that are open
report back.

See if it happens in safe mode
My System SpecsSystem Spec
21 Nov 2010   #6

Windows 7 Premium Home Edition
 
 

I just checked and all the drivers are up-to-date, so I don't know what the problem is. Now if I'm doing something I have to stay near my PC so I can hit some random button every few minutes to keep the screen from going dark and disabling everything. I do have the screensaver enabled, but it doesn't show up. Closing the lid doesn't work, either.
My System SpecsSystem Spec
21 Nov 2010   #7

Microsoft Community Contributor Award Recipient

Windows 7 Home Premium SP1, clean install, upgrade disc
 
 

Does it happen in safe mode?
My System SpecsSystem Spec
22 Nov 2010   #8

Windows 7 Premium Home Edition
 
 

I can't put it to sleep in safe mode because it doesn't give me the option.
My System SpecsSystem Spec
19 Mar 2012   #9

Windows 7 Ultimate x64
 
 

Same thing happens here. The case is when I click sleep, or the computer sleep when idle, the screen just gets black but the fan is still working, there is still sound from the computer, the power indicator still on, and the ridiculous thing is I cannot wake it up but press any button. It turns out you can just turn off the computer rudely!
My System SpecsSystem Spec
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 PC Won't Resume if Screen Goes Black/Won't Go Into Sleep Mode




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