Anyone else having issues with the RX 480 and a 4K desktop?

AntDeek · Feb 23, 2017

On my Samsung UE590 4K display, in DP or HDMI, as soon as the GPU leaves 2D mode and starts 3D mode, I get random "disconnects" on my screen. Like someone is rapidly unplugging the cable. Makes my monitor show "DISPLAYPORT" as it thinks that someone is unplugging the cable. Drivers made no difference. Only happens at 4K 60Hz, not 30Hz. I cannot even use Valley since it just flickers endlessly on and off. Anyone else experience this?

Mussels · Feb 23, 2017

bad cable?

TheoneandonlyMrK · Feb 23, 2017

AntDeek said:
On my Samsung UE590 4K display, in DP or HDMI, as soon as the GPU leaves 2D mode and starts 3D mode, I get random "disconnects" on my screen. Like someone is rapidly unplugging the cable. Makes my monitor show "DISPLAYPORT" as it thinks that someone is unplugging the cable. Drivers made no difference. Only happens at 4K 60Hz, not 30Hz. I cannot even use Valley since it just flickers endlessly on and off. Anyone else experience this?

Only due to a shit cable, I say shit but only because of the rage wasting reasonable money caused me , some just don't cut it.
Oh oh that and the case interfering with the fit of the connection into the GPU I had to get a secure clipped in version of DP cable ,press to release.
Possible.

NdMk2o1o · Feb 23, 2017

AntDeek said:
On my Samsung UE590 4K display, in DP or HDMI, as soon as the GPU leaves 2D mode and starts 3D mode, I get random "disconnects" on my screen. Like someone is rapidly unplugging the cable. Makes my monitor show "DISPLAYPORT" as it thinks that someone is unplugging the cable. Drivers made no difference. Only happens at 4K 60Hz, not 30Hz. I cannot even use Valley since it just flickers endlessly on and off. Anyone else experience this?

I get this on all of my connected displays (3x TV's over HDMI and DVI connected monitor) I think it's due to faulty wiring/electrics throughout the house due to the fact it happens on each of them and is annoying as shit, can be in the middle of a game/movie etc and as you described like you have just plugged the display in as it will go black for a few seconds then display HDMI/DVI etc also happens to my upstairs TV when the cooker is being lit from the ignition button and sometimes I hear a click type sound from the fuse box when it happens, I rent so not a lot I can do :\ I'm not saying you have the same issue as you don't experience it @30hz but yea, my issue sucks..

AntDeek · Feb 23, 2017

Don't think its the cable. It happens over HDMI and DP.

TheoneandonlyMrK · Feb 24, 2017

AntDeek said:
Don't think its the cable. It happens over HDMI and DP.

Both have done it for me I can replicate it right now on mine.
I had to buy a new HDMI , I had 4 and it took two display port cables to get it working, the fit on my case is shit though.

eidairaman1 · Feb 24, 2017

how old is the monitor?

FordGT90Concept · Feb 24, 2017

How long is the cable (HDMI and DisplayPort)?

Caring1 · Feb 24, 2017

4K @ 30Hz sounds right to me for a RX480, but I might be wrong, it might be capable of 60Hz.

Aquinus · Feb 24, 2017

AntDeek said:
Only happens at 4K 60Hz

You might have a DP 1.1 cable and not a DP 1.2 cable. I had this very problem at work where the monitor was randomly flickering or cutting out. This happened with an Acer S277HK and my Macbook Pro using a mini-DP to normal DP cable that said on the cable 1.1. I replaced it with a mDP cable rated for DP 1.2 and the problem completely went away.

AntDeek said:
Don't think its the cable. It happens over HDMI and DP.

What's the HDMI cable rated for? If it's only 1.4, you could have the same issue trying to drive HDMI 2.0 over it. More bandwidth means more shielding and HDMI 1.4 and DP 1.1 cables tend to have far less shielding and less conductor than the 2.0 and 1.2 equivalents do.

Steve-007UK · Feb 24, 2017

No issues on mine running 4k 60hz on me old mans 42inch 4k tv over HDMI even played Dirt 3 at 4k 60hz/FPS with no issues.

eidairaman1 · Feb 24, 2017

Get a better dp cable as aquinus said

FordGT90Concept · Feb 24, 2017

Samsung's site is pretty terrible:
http://www.samsung.com/us/computing...high-glossy-black-finish-lu28e590ds-za/#specs

But it says this right at the top: 4K, 3840 X 2160 Resolution (UHD), 60Hz (DP)

That last part makes me think the HDMI ports are only 1.4 so you have to use DisplayPort if you want 60 Hz. It also claims to say a DisplayPort and HDMI cable are included in the box. I assume this is the DisplayPort cable you're using? If not, try it. I would abandon using HDMI because it gives a pretty strong impression that HDMI can't do 4K@60 Hz.

Gasaraki · Feb 24, 2017

4K @ 60Hz requires either DisplayPort 1.2 or HDMI 2.0 (ports/cables). The monitor looks like a good one so it has support for those. The RX480 should have the supported ports also, so the last thing is cables

AND check if your monitor requires you to turn on either DisplayPort 1.2 or HDMI 2.0. I know my LG monitor has a setting like that.

AntDeek · Feb 24, 2017

Will order a new cable from Amazon to try out.

Aquinus · Feb 25, 2017

AntDeek said:
Will order a new cable from Amazon to try out.

I have the Mini-DP version of this cable on the 4k at work. If you haven't ordered one yet, this is what I would suggest.
https://www.amazon.com/dp/B005H3Q59U/?tag=tec06d-20

AntDeek · Feb 25, 2017

Aquinus said:
I have the Mini-DP version of this cable on the 4k at work. If you haven't ordered one yet, this is what I would suggest.
https://www.amazon.com/dp/B005H3Q59U/?tag=tec06d-20

That's actually the exact one I've ordered already! Great!

DRDNA · Feb 25, 2017

FordGT90Concept said:
Samsung's site is pretty terrible:
http://www.samsung.com/us/computing...high-glossy-black-finish-lu28e590ds-za/#specs

But it says this right at the top: 4K, 3840 X 2160 Resolution (UHD), 60Hz (DP)

That last part makes me think the HDMI ports are only 1.4 so you have to use DisplayPort if you want 60 Hz. It also claims to say a DisplayPort and HDMI cable are included in the box. I assume this is the DisplayPort cable you're using? If not, try it. I would abandon using HDMI because it gives a pretty strong impression that HDMI can't do 4K@60 Hz.

I agree with the above.

AntDeek · Mar 11, 2017

THIS IS EXACTLY WHAT IS OCCURRING!!! Maybe @XFXSupport knows whats up, with this card I cannot even use my 4k monitor over DP or HDMI. Unless its set to 50Hz. It sucks.

FordGT90Concept · Mar 11, 2017

As I said, HDMI won't work because it's 1.4. You need to use DisplayPort.

Once you have it plugged in via DisplayPort, I'd mess with the settings in both the computer and the TV to find where the hiccup is.

The video specifically talks about HDMI too so...same problem most likely.

AntDeek · Mar 11, 2017

In my case I am using a high quality displayport cable man. Same result

FordGT90Concept · Mar 11, 2017

It's a FreeSync monitor, have you looked through those settings in Radeon Settings?

AntDeek · Mar 11, 2017

Yes problem occurs with freesync on or off. doesn't matter.

FordGT90Concept · Mar 11, 2017

Have you tried plugging the monitor into a different 60 Hz source (computer, BluRay player, etc.)?

It came with a DisplayPort cable, are you using that one? Have you tried it? Is the DisplayPort cable you're using now a separate one you bought?

cdawall · Mar 11, 2017

Why would you use an adapter cable with a card that supports a direct cable?

For reference my real dp cable and rx480 on a 4k screen works fine.

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Anyone else having issues with the RX 480 and a 4K desktop?

AntDeek

Mussels

Freshwater Moderator

TheoneandonlyMrK

NdMk2o1o

AntDeek

TheoneandonlyMrK

eidairaman1

The Exiled Airman

FordGT90Concept

"I go fast!1!11!1!"

Caring1

Aquinus

Resident Wat-man

Steve-007UK

eidairaman1

The Exiled Airman

FordGT90Concept

"I go fast!1!11!1!"

Gasaraki

AntDeek

Aquinus

Resident Wat-man

AntDeek

DRDNA

AntDeek

FordGT90Concept

"I go fast!1!11!1!"

AntDeek

FordGT90Concept

"I go fast!1!11!1!"

AntDeek

FordGT90Concept

"I go fast!1!11!1!"

cdawall

where the hell are my stars

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