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Rampage IV black edition boot problems

Level 7
Hi there,

well i guess i *have this issue with my Rog Rampage IV Black Edition. Most of the Time when i boot my computer, it got stuck after the UEFI / BIOS screen.. => stays black. To prevent this and start win10 i have to randomly press my keyboard and my mouse. doesnt make any sence to me why this solution works, but it’s anoying.*

Did anyone encounter this problem aswell?

What i’ve tried so far is making a clean install of win10 / unplug all usb connections (mouse and keyboard, but that ends in an message of no keyboard mouse detected) => except the water cooling system, it’s unique setup *from outside the main pc case. *

bios is up to date*

thanks for your time dan*

Super Moderator
Sounds potentially like an issue with improper xHCI compliance. Can you confirm which mouse / keyboard?
13900KS / 8000 CAS36 / ROG APEX Z790 / ROG TUF RTX 4090

it’s an apple standard keyboard, and a standard cheap mouse usb 2.0

Super Moderator
For sake of testing, disable xHCI handoff in the UEFI and see if the same issue occurs.
13900KS / 8000 CAS36 / ROG APEX Z790 / ROG TUF RTX 4090