Windows 10: Windows 10 HP Laptop screen flickering before login

I have my aunt's work laptop that has this problem. It's a HP 240 G7 i5 that's a couple months old and now she can't log in because of this screen flickering that prevents you from doing anything but manually putting it off.


I've looked up all possible solutions from windows recovery to startup repair but the secondary major problem is that the administrator account cannot be located. Without that, I can't use the command prompts, rollback a previous update or anything really.

Because it can locate the account, there's not much I can do.


Does anyone have any solutions?

Please help us :

:)

 

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So I have a strange problem.

Specs:

• HP 15s-fq1514na
• windows 10 pro 1909

When I login to the laptop all is fine, when I lock my laptop pressing "win + L" the screen goes black.

When I remove the external monitor the laptop screen is flickering and when I restart the laptop all is fine. The issue seems to be only after I lock the laptop, any ideas?

 

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