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Problems with a RX5700

Mason64

Mason64

Mason64

Associate
Joined
16 Jan 2006
Posts
970
Location
North Wales
Hey all wondering if this is a common problem with the RX5700 or a odd problem

I used to use the card with 4 displays 2 years or so ago. downgraded to two displays and been working great for over a year.

Decided I wanted a 3rd display again so went for a horizonal monitor (also tried another standard 27" monitor).

For some reason the graphics card will only output two monitors no matter what i tried

The card has 3 display ports and 1 HDMI port. I normally have 1 monitor on HDMI which always works and the rest on the display port ports.

I have tried the following

  • loads of different display adapters that i know all work as i have had them working on this pc before and other pcs. i have also moved each hdmi cable to the 1 adapter when its plugged in and it always displays when 1 or two monitors are connected.
  • tried removing the drivers and reinstalling
  • tried a fresh install on a new hard drive with windows 10 and windows 11
  • tried different HDMI cables
  • tried the graphics card in the other PCI-E slot on the board
  • moved the cables around so many times in to different ports and it always just displays two screens out of 3
  • not used it much for gaming maybe in 2 and a half years used it for 30 hours gaming.
  • never over clocked it.
Specs are as followed

Windows 11 Pro 64bit
AMD Ryzen 7 3700X
32GB Memory
B450 Tomahawk MAX
AMD RX5700 8gb
a few spinning drives for data and a Samung NVME Drive

Anyone got any ideas on this?

Thanks
Dave
 
You say different adapters and different HDMI cables, are you using Displayport to HDMI adapters for the other two monitors? Do any of the monitors have a DP port so you can use a direct DP cable without an adapter?
 
hey thanks for the reply, no none of my monitors have display ports and yes am using Display port to hdmi adapters (not cheap ones) but they have all worked perfectly before when i had a 4 monitor system.
 
thought i would just update the post. just got a 6600 and all 3 monitors work perfectly must be the card - strange thing is it works spot on with 2 monitors with no issues what so ever and has been for well over a year. strange.
will ebay it with the listed fault.

Thanks for your help @Orcvader
 
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