How to Setup BIOS/Boot Menu on hp 15s-du1xxx

My hp 15s-du1xxx got blurry/pixelated when I updated to windows 10 any suggestions bro?
I updated the drivers, firmware and bios but it's still doesn't help, I also changed the display settings too

Salut monsieur j'ai mon ordinateur laptop 15s-du1xxx périphérique d'amorçage introuvable.... pouvez vous m'aider ?

Bro I pressed the power battun

HP 14s laptop in bootable pendrive not showing after click F9

Bro.. I bought a hp 15-fc00××nq laptop.. when booting, USB is not showing...😢😢 can you post a full video about it.🎉