Question Strange Screen Before Boot

Feb 17, 2020
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Hello ,

I've recently build a PC and I have a problem with a strange image displayed before boot. Can anyone help me with some troubleshooting ?

Image:
https://gifyu.com/image/7Q5S

Specs:

MB : Asus Rog Strix z390 E-gaming
CPU: 9600K
DDR: 2x16 HyperX Predator RGB DDR4 3200
SSD: 970 Evo Plus 1TB nvme m.2
PS: Corsair Rmx 750W
GC: Xfx Rx580 Balck Edition 8Gb
Display: DELL U2718Q

The screen appears before the Bios screen.
The screen doesn't appear if I connect the display to the on board graphic.

I've tried:
  • Changed the power supply
  • Changed the Gfx card
  • Updated Bios
  • Changed PCI Slot for the Graphic card
  • Changed the DP cable to Hdmi Cable
 

Ralston18

Titan
Moderator
Windows 10 - correct?

Verify: the display is normal when the motherboard's onboard GPU is used - correct?

Have you tried reinstalling the Rx580 GPU drivers?

Download via the manufacturer's website, reinstall, and reconfigure.
 
Feb 17, 2020
3
0
10
0
Yes, windows 10.
The problem is only before the bios (press del or f2 to enter bios screen) for half a second or so, in windows I don’t have any problems with the display. I have the latest radeon drivers installed.
 

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