Ever resumed from standby & confronted with a black screen?
1st response would be to hit some keys, move the mouse & if the doesn’t work press the power button for 4 seconds & start the machine again with potential unsaved work lost?
Ad this one to your steps, it might just get you there faster & without any loss:
Windows Key + CTRL + SHIFT + B
More details available here: MS Support (select option 1 or 2)
Make sure you look for the latest Graphic drivers for you device to avoid the issue in the future.