screen fault

Had this laptop, the Gigabyte Aero 15 XC in question, since early september and haven't had any issues until I recently realised there is a pattern that appears at the top of the screen when certain colours are displayed. Only in along the top of my screen, goinig down around 1/2 a centimeter...

https://ibb.co/GVC4D8X What has broken in my Oneplus Nord? My hunch is that water got in through the speaker hole as that's where the mark first appeared before spreading and I dropped it in water a few days prior. Would I be able to fix it myself and if so for how much? What parts actually...

I got the hp omen 17 deliverd today from ocuk, this one: https://www.overclockers.co.uk/hp-omen-17-cb0005na-nvidia-rtx-2060-16gb-17.3-fhd-144hz-intel-i7-9750h-gaming-laptop-lt-04a-hp.html It boots, i can hear corta talk about random stuff. I can connect it to an external tv and see the boot...