Sleep Mode disabled (Windows 8.1)

Hi Austin,

Is secure bootenabled on your computer?

If secure boot is turned off it might cause your computer not to recognize the built in video card and which may lead to the sleep mode option missing.

Method 1:

Also, your video card might not support sleep. I suggest you to update the latest video card drivers manually from the following link and check if it helps.

http://www.geforce.com/drivers

Method 2:

Sleep and other power-saving states are turned off in your computer's basic input/output system (BIOS). To turn on sleep, restart your computer, and then enter the BIOS setup. As your computer starts, instructions typically appear on the screen that indicate which key or keyboard shortcut you must press to enter the BIOS setup process. Because not all computer manufacturers use the same BIOS, different keys are assigned for this purpose. To learn more, check the information that came with your computer or go to the manufacturer’s website.

Note:  

Modifying BIOS/ complementary metal oxide semiconductor (CMOS) settings incorrectly can cause serious problems that may prevent your computer from booting properly. Microsoft cannot guarantee that any problems resulting from the configuring of BIOS/CMOS settings can be solved. Modifications of the settings are at your own risk. 

Hope this helps.

Please post back with the status of the issue and we will be glad to assist you further.

Hi,

Thank you for the update.

Is secure bootenabled on your computer?

Please contact the computer manufacturer to proceed with the steps which needs to be perform from BIOS.

Nvidia just happened to have put out a new update in the last couple of days, however it did not resolve my issue.

I am not able to modify BIOS, UEFI, or CMOS settings, it turns out.

My display does not receive an input signal until Windows is loaded. The first image I get is of the Windows Wait mouse spinner against a black background and then the Ctrl+alt+del welcome screen appears immediately afterward. I do not see an HP logo or anything before that, just the No Signal OSD message on the monitor.

Hi,

On the page where you can turn on and off sleep, hibernate, fast startup, and etc., the is a blue text towards the top of the page that says "Change Settings That Are Currently Unavailable"

If you haven't tried that, give it a shot... It's necessary to enable sleep...

Thanks for the reply. Yeah, I had gone through that. Under the Sleep tree node, the only settings available are for Hibernate. Both before and after "Change Settings That Are Currently Unavailable".

Hi,

On the page where you can turn on and off sleep, hibernate, fast startup, and etc., the is a blue text towards the top of the page that says "Change Settings That Are Currently Unavailable"

If you haven't tried that, give it a shot... It's necessary to enable sleep...