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I have an HP Laptop 15-dy1751ms. If it sleeps for a while, (I don't know exactly how long) the screen will go blank if the cursor is hovering on different parts of the screen. (not caused by clicking) I noticed that it's usually if it's over an 'interactive' part of the screen, such as the password box on the lock screen. Restarting the computer temporarily fixes the issue, win+ctrl+shift+b does not.

EDIT: I updated my BIOS, now device manager gives me this for Firmware:

This device cannot start. (Code 10)

Indicates a revision number encountered or specified is not one known by the service. 
It may be a more recent revision than the service is aware of.
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  • Update the BIOS (UEFI), video, and Power Drivers, set the Power Plan to default, restart and test.
    – anon
    Commented Nov 21, 2021 at 0:42
  • After the updates I suggest, mouse over the screen as you did and see if the problem continues.
    – anon
    Commented Nov 21, 2021 at 0:47
  • sorry if i wasnt clear. it doesnt happen all the time. it is occasionally triggered by long sleep, don't know why
    – Tuor
    Commented Nov 21, 2021 at 0:50
  • Well, update the drivers, use the computer and see. It is not possible to otherwise say how to test a random occurrence.
    – anon
    Commented Nov 21, 2021 at 0:52
  • It happened again: after shutting down for lack of battery, it gave me this issue after I turned it on
    – Tuor
    Commented Nov 21, 2021 at 5:01

1 Answer 1

Reset to default
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Disable hibernation

Go to Control Panel\Hardware and Sound\Power Options\Edit Plan Settings and select "Change advanced power settings" under Sleep>Hibernate after, change "On Battery" to 0

I don't know why hibernation was causing this problem, comment if you do.

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