To also disable Hibernate mode (standby state S4) run powercfg. This policy will disable all sleep modes completely. Step 2: Click Power Options to open the window and then select Change When the Computer Sleeps. WinWaitActive( 'Local Group Policy Editor') To disable auto sleep mode in Windows 8/8.1, just follow the given below steps: Step 1: Press the Windows key, type Control Panel to bring up the Apps page and then click Control Panel to open.

Since I needed to enable / disable sleep mode via Group Policy quite often, I created quick and dirty AutoIt script that opens Local Group Policy Editor and navigates to the correct GP: Hybrid Sleep feature in Windows provides a safeguard for computer system such as desktop PCs and workstations, which does not have backup power supply such.

If necessary also do the same for Allow Standby States (S1-S3) When Sleeping (On Battery).

Open Policy called Allow Standby States (S1-S3) When Sleeping (Plugged In) and set value do Disabled Learn how to disable sleep mode on your Windows 10, WIndows 8 or Windows 7 machine if you find it is getting in the way of operating your computer normally. The steps below outline how to configure the USB root hub to stay on during hibernation, to prevent this from happening.

Navigate to Computer Configuration > Administrative Templates > System > Power Management > Sleep Settings.

Launch Local Group Policy Editor (gpedit.msc).

To disable sleep mode completely you can use Local Group Policy:

Turn off sleep mode windows 8