Windows 10: How can I prevent my PC from restarting after I wake it up from 'sleep' mode please?

I have an HP Z420 Workstation PC which automatically receives updates. 2 or 3 days ago, when waking it from 'sleep', which I do every night to save time in the morning, it restarts itself for no apparent reason. I've tried resetting power settings and Googling to try to find a cause/reason but I can't. It's no biggie I suppose because eventually it comes back. Once I've closed things that keep opening that I don't want one drive for instance, that I can't seem to get rid of no matter how hard I try! then I can start using it but it must surely be one of the recent updates that is causing thi

:)

 

Windows 10 - Problem waking up from sleep mode

This worked for me on a Lenovo Horizon2 27 all-in-one PC that was able to sleep manually but could not be wakened once sleeping after upgrading to Windows 10 Home.

I ran the powercfg /energy and examined the report as GoWMike describes. It showed no driver errors but suggested that there is a problem with the system's "High Performance" power setting that may prevent normal waking from manually induced sleep.

I used powercfg /list to show available modes, copied the GUID for Balanced mode, and then used this with the powercfg /activate command to change the plan.

I also used powercfg /devicequery wake_from_any

to get a list of device names for components capable of waking the system from sleep, and then I used

powercfg /deviceenablewake <devicename>

to make certain that the touchscreen and power button are armed to wake the machine.

After restarting, sleep and wake then functioned properly again.

 

Restart when waking laptop from sleep mode


When I wake my HP laptop from sleep mode, it says there is a problem and needs to restart. Then it restarts. It didn't do this until I upgraded to Windows 10. Anyone else have this problem or have suggestions on how to fix it? Thank you for any assistance.

 

Waking from sleep mode

Hi Kenneth,

For us to narrow down your concern with waking up your computer from sleep mode, we would like to know the following:

• Aside from Windows Update. were there any changes made on your computer prior to the issue?
• Is this the first time you experienced the issue?
• To make sure that we have not missed on anything, what troubleshooting steps have you done so far?
• Send us a screenshot of your screen when you wake up your computer from sleep mode.

We look forward to your response.