How to troubleshoot wake from suspend

My laptop is an older Thinkpad T430 i5. I have a fresh install of 4.1 (after dom0 updates) which works well. However, when I close the laptop lid and the system suspends, it won’t wake up when I open the lid. The screen is dark, the power button is blinking on and off and is unresponsive to keypresses. Trying to switch to another screen with Ctrl-Shift-F2 (or any other key combination) does nothing.

Is there any way I can try to troubleshoot this? Any logs to examine? Any other advice on getting this to work?

Thanks.

I have this issue on my i7-1065G7 laptop as well. It’s the same with both R4.0 and R4.1–both display the same symptoms as @tel’s case, but the backlight is on.

Could this be related to my inability to restart the system? Restarting leads to an unresponsive blank screen (with backlight) after the Qubes shutdown screen is ‘done’.

@tel @fiftyfourthparallel

In system-tools → power manager I think on default it was everything on hibernate, and I put it to suspend mode and now everything is working fine. Try with that and tell me

No, nothing so simple, I’m afraid. For whatever reason, booting to UEFI was the issue. When I boot to legacy BIOS, all works as expected.

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@fiftyfourthparallel are you booting with UEFI or legacy mode ?

Sorry. I responded here in error.

oh ok :joy: