[Destrto]

Hey everyone, I'm a little stumped at the moment on this issue.

I just recently bought a Sceptre (Don't hate) 55" UHD 4k Tv. And the issue is, when I game at 4k, every few minutes the screen will cut to static, as if the signal is lost. Then a split second later it comes right back as if nothing happened. This happens within minutes of playing most any game I've tried so far (The Crew, NFS Most Wanted, EVE Online as examples).

When I turn the resolution down to 1080P, it never happens.

I thought it may have been my older HDMI cable, so I bought a new one that specified HDMI 2.0 and 4K@60hz. No Change.
I'm running the latest AMD Drivers 19.7.5. Latest Win 10 x64.

My Specs are:
AMD FX 8370 @ Stock (Under full water loop, 2x240mm rads in P/P)
RX 580 Red Devil @ Stock (Reaching 80C under load, possibly an overheating issue?)
16Gb G. Skill Sniper DDR3-2100Mhz

Anyone have any thoughts? This is my first venture into 4k, so admittedly I'm new to any expectations.

 

[Destrto]

I have tried turning GPU Scaling on and off within AMD's settings. That made no difference. This tv has a setting to switch between HDMI 1.4 and 2.0. That didn't seem to make a difference either.

I have not yet tried playing a movie in 4k to see if it happens there as well.

 

[Destrto]

Tried a movie last night that I think was running in 4K (Netflix). And it did not seem to cut out like it did while gaming.

I also noticed this, that might be helpful.

GPU Temps at 1080P - 55C
GPU Temps at 4K - 78-80C

 

[Destrto]

you're hitting 80c watching Netflix and you're wondering if it's an overheating issue? :laughings

I'd sort that out before you kill the card.

Hitting that temp while gaming. Not watching netflix.. Sorry for not clarifying

 

[Destrto]

Sounds like either the cable or TV issue. If it only happens with the TV than i reckon something is wrong with the optical display port.

I was watching Netflix through the PC. So I'm not for certain if it was at 4K or not. I just know that I only get this issue while gaming.

I did try a new HDMI cable that stated it was for 4k@60Hz, for what that's worth.

Native resolution of the TV is 4K@60Hz (2160P). However I do notice that whenever I change the resolution, the TV changes back to 30Hz.

Not sure if any of this is helpful.

 

[Destrto]

Normally I'd say this is a cable or TV issue. Perhaps you can try different inputs on the TV and outputs on the GPU.

Your temperature is interesting though. Anyway to down tune the card to get temps under control? Anything up with you case that your GPU is not getting any fresh air?

I did try every input on the TV, with no difference. I believe it is a heat issue.

You have manually changed the GPU to output 4k @ 60Hz? Are you sure that your TV supports HDMI 2.0? Are you sure that your GPU supports HDMI 2.0?
HDMI 1.4 will support 4k at 30hz only.
If you can get it running at 4k 30hz and not 60 i assume this is your issue.
I cannot find the actual specs for this tv online?

EDIT: If you are using the 290 X which is in your sig it does not support HDMI 2.0. I owned this card, you can however run 60Hz with Display Port.

Tv Supports HDMI 2.0, it has a setting that allows me to switch between 1.4 and 2.0. https://www.sceptre.com/overview-365.html
I have to change the monitor options within Windows back to 60Hz whenever I change the resolution. (Display adapter properties>Monitor tab)
It runs at 4K@60Hz.

I am not using a 290X, I used to , which is why I have that in my Sig. I am now using a PowerColor RX 580 Red Devil.

 

[Destrto]

Alright everyone, I appreciate all the suggestions and opinions. I believe I have narrowed it down to an airflow issue.

I will try to do some rearranging of my fan layout, and/or try to adjust my fan curve for my water loop (2x240mm rads in P/P each) My MSI 990FXA Gaming board won't let me ramp up the fans until the CPU reaches 45C or above, which almost never happens. So I think my card is getting overheated because of this..

 

[Destrto]

Pretty weird that it's an overheating issue, didn't realise 4k pushes a card that much.. Kind of sounds like a faulty GPU to me i would RMA it.

Unable to RMA it as I bought it second hand.

If I keep the side of my case open, the temps stay under 60C and games run fine. It could very well be a fault with the card.

 

[Destrto]

Hey everyone. I am necro-ing my own thread.

Last I mentioned, I thought it was an overheating issue. Well, I have determined that it is not due to overheating.

I now have the card (Powercolor RX 580 8G Red Devil) on a full cover waterblock. And if I switch my resolution back to 4K, the static appears randomly again. So temps are not the issue, as the card only sees about 45C under heavy load.

So far, I have tried multiple HDMI cables (even an active HDMI cable), and every HDMI port that the TV has. I get the same issue.

My TV has a setting that allows me to switch between HDMI 1.4 and 2.0. But this appears to change nothing in regards to the static.

 

[Destrto]

Sorry to Necro my own thread. Just wondering if anyone could offer some insight to this. As it still appears to be happening.

I have noticed that the static issue does not happen while benchmarking the card at 4k. I tried running GPU-Z's tool to test the card last night while running in 4K. Left it running for about 15 minutes (static issue would normally appear before then) and I did not experience any static on screen.

Just for a recent update, My RX 580 Red Devil is running a Bykski full cover waterblock. So temps aren't an issue anymore. Even at 4K, max temps are only reaching about 52C.

 

[Destrto]

You have to rule out where the problem is. Trying different 4k60 or what you have problems with display, different GPU, etc.
I would guess it's the display as I've yet to see a GPU bother sending static out on a digital output.

I believe you are right here. I have tried 2 different GPU's and get the same problem occurring.

Which prompted me to look at something. I was noticing that anytime I would switch my resolution on the TV from 1080p to 4K, the HZ would default back to 30 instead of 60. Now, I am able to go into the advanced display settings and change it back. However, I thought to try something. I left the monitor in 4K at 30Hz, and decided to see what happened in a game.

Well, aside from the obvious 30 FPS cap, I noticed after about 5 minutes that I had not gotten any sort of flicker or static. So, i closed down the game, switched back to 60HZ, loaded the game again. And BOOM. Static.

 

[Destrto]

Have updated your driver? I just hooked my RX 570 to a 55 4K TV and played Minecraft but no static.

I am running AMD's latest 20.2.2. Is that what you mean?

 

[Destrto]

I'd suggest trying with disabling some of the display features such as HDR etc..

HDR is not supported on this TV. I have tried disabling a lot of other features on this TV. Just to see if any of them made a difference. MEMC, no change. All of the noise reduction options, DT noise, white noise. No change with either of them. Film mode. No change there either.

 

[Destrto]

Only thing I can think of, is that maybe your GPU's HDMI output is not capable of 4K@60Hz. You could try a DP to HDMI cable.

I will look into that. Any recommendations on a DP to HDMI cable that is rated for 4K at 60Hz?

Will one of these adapters I keep seeing work?

 

[Destrto]

Any DP(1.2) to HDMI cable rated @4K should support 4K@60Hz.

Ok, the reason I ask is that I have a hard time finding one long enough for my needs. 6 feet is just a bit too short to reach my rig from the TV on the wall.

I googled a bit, and people are saying this DP 1.2a to HDMI active adapter from Monoprice is a good pick. So im trying that.

 

[Destrto]

A lot of longer cables will work, you just might need to put some tin foil over the connectors (after plugging it in of course, lol). Most of the cheaper cables have fine shielding around the length of the cable but cheap out at the ends.

As for your static issue do you happen to have a picture? It's not the card artifacting is it? GPU might be fine but the memory might be meh

Yea I tried to spring a little for a better cable. I got the Dynamic View Active HDMI cable from monoprice.

And i dont think its the card artifacting. Ill try to get a photo of it tonight. It looks like the static you see on an older TV when you hit a channel with nothing broadcasting. Like white noise. It shows that for a second, and then the image returns to normal.

I had attributed it previously to the card overheating. But I've now ruled that out by putting the card under water.

 

[Destrto]

I get a similar problem with the Fury Nitro and Samsung Q65fn where the video cuts out at 4k60 using a Plugable active DP1.2 to HDMI 2.0 adapter. Intel and Nvidia work fine. 1440p60 and 1080p120 work fine. I am using a 10ft HDMI cable though. Maybe the signal is just kind of weak out of those cards. I'll try a shorter cable.

Edit: Good so far, will have to use it some more tonight before I can make a judgement on whether it is stable. I don't like that I had to move the small bookshelf that the itx is on closer to the tv, but maybe I can get used to it. It does make it slightly roomier to get into the living room so there is that.

We will see what this adapter does when it comes in.

I had similar issues on a LG IPS 55 inch and a pair of GTX980s / SLI...turned out to be the HDMI cable - since a new, better HDMi cable solved it. Also, does your monitor have DisplayPort ? I ask because on my other 4K system (40 inch Philips; dual 2080 Tis), DisplayPort is what I used from day one and it never caused an issue, even when oc'ing monitor to 4K/75Hz

I have tried multiple cables, all different ranges of quality. So far none of them have made a difference.

The TV I am using does not have a DisplayPort connection though.

Have you checked Event viewer?

I have before, but I will check for anything again tonight. I don't remember anything showing up related to video errors.

 

[Destrto]

Then it's the TV, either TV having issues itself or doesn't go to black screen when input signal is not of good enough quality due to bad cable.



Cables are a huge snake oil unfortunately. Tons of marketing but most cables are the same, the connectors matter too and their changes may not always be cosmetic only. Especially cables over 2 m can have trouble meeting their specs even for DP1.4 and HDMI2.0 bandwidth.
Conversion adapters are a whole another can of worms.

---

Eliminate one component after another, there is no other way unless you like guessing.

I believe in that as well. So far, I have eliminated everything except the TV. Different GPU, different HDMI cables. Issue persists. If the DP to HDMI adapter I ordered doesn't provide any benefit, then I will chalk it up to the TV being at fault. Either falsely advertised, or a faulty TV. I think either way, I can reach out to the company I bought it from or the manufacturer directly to see what they offer.

I may also see about getting a beefier cable. I have had good experience with Monoprices line up of HDMI cables in the past. But it could be worth it to try a heavier gauge cable since I do need one longer than 6 feet.

i had a similar issue that persisted thru multiple GPUs, and short DP cables.

retired the screen, hasn't happened since.

i would get a single frame of woi4tuhinwefds on one half of the screen, randomly. didn't seem to happen in synthetics, but it was hella random.

Thats what I'm experiencing now. It's so random when it happens. I just tried to pull up a game to see if I could catch it in action, but my fingers weren't fast enough to hit the button before it flashed back to normal.

 

[Destrto]

Adapters may cause more issues. BTW, im using an ordinary hdmi cable that is 6ft in length with my RX 570 when i hooked it to the TV. What i did not check is - if it was running 4K 60 or 30. I did play a game and watched some 4K YT vids.

I think you would notice if it were running at 30Hz. Your mouse movement would feel sluggish. At least mine does.

Since my TV is mounted to the wall, with the cabling hidden inside the wall. I am unfortunately limited to cable lengths, as I don't have much room to move things closer haha.

 

[Destrto]

Howdy, what is your colour settings for your display set to in the AMD driver software? And do you have HDR enabled?

If you have it set to 4k 60hz at 4:4:4 and turn on HDR (assuming your outputting 10bit), I can see that happening as it will exceed the 18GB/S of HDMI 2.0.

I currently have things set to YCbCr 4:4:4. This TV does not support HDR (even though the spec sheet says it does), and is only outputting 8bit.