Screen flickering issue

[Johnwick2]

As soon as I switch on my laptop the lock is screen is normal and after logging in it takes about 2-3 mins and then the whole screen gets blurry lines the cursor doesn’t move nothing works 

[ub6424 · Accepted solution]

Hello @Johnwick2 

Sorry to hear that you are having problems ... I would like to help you.

(1) Double check with external monitor connected via vga/hdmi cable.

Do you have the same error pattern (flickering) on external monitor ?

- Power off external monitor

- Connect vga/hdmi cable

- Power on external monitor

- Power on notebook

(2) Please report your results

[Johnwick2]

I connected my laptop to my tv through hdmi and the tv screen shows the proper laptop screen the mouse works on the tv screen but nothing works and screen flickering on the laptop 

[ub6424]

Hello @Johnwick2 

Sorry to hear that you are having problems ... I would like to help you.

In the simplest case the internal display cable behind the screen is no longer seated correctly. It has come loose slightly.

Recommendation and solution

In your case: Service is required !
- The computer should be disassembled and checked.
- [Always recommended] Thermal paste for CPU GPU and bridges should be renewed
- [Always recommended] The function of the fan(s) must be checked

- The internal display cable that goes from motherboard to screen has to be checked or replaced

- The screen has to checked or replaced

- Short circuit test

- General cleaning ...

HP warranty valid -> Please contact HP Support for service check/repair.

If status (date) is wrong:

HP PCs, printers - Dispute a warranty status

HP warranty expired:

If you can't do that, you should have it serviced by a professional notebook (chip level) repair store.

Good luck