System freezing after sleep

Windows 11 24H2 26100.3476
I am having a problem where the system will not boot into Windows after sleep. This is a new issue, only appearing last 3-4 days.

Example: Instigating sleep by right click on the start menu. It goes to sleep. When I try to reactivate, it will not boot into Windows; just has a blank screen with a blue spinning circle. Screen unresponsive to keys or mouse. I power the computer off with the power switch. Powering on returns to that unresponsive screen. I was able to get Windows to boot by going to the HP diagnostics menu (repeatedly pressing ESC, then F11, then do a System Restore from the HP menu. The restored system boots into Windows ok.

I have now set all sleep related timers to ‘Never’ to avoid a repeat.

Would appreciate any thoughts on why this has happened to me and how to avoid a repeat.

Thanks.

you could try resetting the hibernation file.

see if that improves the situation.
best of luck, Steve ..

XxXxX said:

you could try resetting the hibernation file.

Enable or Disable Hibernate in Windows 11

This tutorial will show you how to enable or disable hibernate and restore or delete the hiberfil.sys file in Windows 11. Hibernate is a power-saving state designed primarily for laptops, and might not be available for all PCs. (For example, PCs with Modern Standby may not have hibernate...

www.elevenforum.com

see if that improves the situation.
best of luck, Steve ..

Click to expand...

I should have mentioned that I have a desktop PC which does not have a hibernate option (as far as I know). Even so, I went to the tutorial and followed its Option 2 and turned off hibernate just in case:

I'll see whether that helps the problem. Thanks.