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Black screen, no common solutions work

HP Recommended
EliteBook 8560p
Microsoft Windows 10 (64-bit)



I have the HP EliteBook 8560p since 2011 and up until now it served me very well. Unfortunately, I am currently expiriencing (what seems to be) a common problem, but none of the usual solutions work for me.



- While I was working on my computer, the screen went dark, but music kept playing. I attempted to restart the computer and since then experienced the following scenario every time:

- Press the power button, lights and fan turn on, but the screen remains black (no cursor, no faded image)



- remove battery, use only adapter

- Hard reset (held power button for over 60sec to drain capacitors)

- Update BIOS (hold WIN + B key while powering on)

- reseat RAM chips

- leave computer running without battery on power adapter to charge BIOS battery (left to charge for over 6 hours)

- check BIOS battery voltage - OK with a little over 3V



- I connected an external monitor to see if I can get an image on it. By changing screens with FN+F4 keys I managed to see some weird patterns. The screen is mostly black, but intermittently I can see the following image:


Patterns I can see on external monitor.Patterns I can see on external monitor.


- Do you have a clue what the problem could be?

Would it be worth fixing on a almost 7-year-old computer?

- (I can only assume it is something more substantial like a motherboard failure?)


Thank you for any suggestions or help!


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