A horizontal dotted line on top ection

[4812]

This horizontal dotted line has appeared across my screen. It doesn't show when connected to an external monitor so it is definitely a problem with the screen. Is there any solution to this other than changing the screen?

 My laptop is HP Probook 455 G3 

[ub6424 · Accepted solution]

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@ub6424 wrote:

Hello @4812 

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

Do you have same error pattern on external monitor connected via vga/hdmi ?

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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

- Display cable check or replace

- Screen check or replace
- General cleaning ...

HP warranty valid -> Contact HP Support

HP warranty expired:

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

Good luck

[4812]

No

[ub6424]

Good luck