Question No display output without 2 (unidentical) GPUs installed.

May 9, 2020
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Let me give you an idea of whats going on first.

I have 2 GPUs installed one is a Radeon 5450 with NO displays connected to it and the other is a GTX1060 with my displays hooked up to it.

Without the Radeon plugged into one of the PCI-e slots I get no display output from the 1060.

The only reason I had the Radeon in was to see if i could use it to get into the bios because when i first built this PC i couldnt get a display signal out of the 1060, once i got the bios set up I Installed my 1060 and plugged in my display cords (with the Radeon still in) and everything worked fine.

When I wanted to remove the Radeon I failed to get a display output from the 1060, so i reinstalled it and lo and behold got a display signal...

What the hell is going on?

Specs:
System: Windows 10 Home 64-bit (10.0, Build 18363) (18362.19h1_release.190318-1202)
System Manufacturer: Gigabyte Technology Co., Ltd.
System Model: B450 AORUS ELITE
BIOS: F51 (type: UEFI)
Processor: AMD Ryzen 5 3600 6-Core Processor (12 CPUs), ~3.6GHz
Memory: 16384MB RAM
GPU1: EVGA GeForce 1060 3Gig
GPU2: ATI Radeon HD 5450
 

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