Poor PC performance when connected to 4k tv

Profcool

Profcool

Profcool

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Joined
3 Nov 2022
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8
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Kent
Hi there, I’m no PC expert so looking for a bit of guidance and advice. I have what I think is a pretty decent pc (Intel i9-12900k, 32gb 3600mhz DDR4 RAM, RTX 3080) and I normally have it connected to a 49inch LG ultra wide monitor where I can run pretty much everything at max settings (eg Cyberpunk runs at Ray Tracing Ultra at a solid locked 60 fps).

Tonight I thought I’d move the PC into my living room to connect it to my 4k LG OLED tv for some more relaxed gaming and I am having some real performance issues. Attempting to run Cyberpunk and the benchmark test is giving me a max of 11fps. Reducing the settings to low and at 1440p output only increases it to about 14 fps. Some games such as Sackboy won’t even open, they just lag horribly through the startup animation and then crash.

I thought I’d be able to run connected to a 4k tv without issue. Is this not the case? I thought an RTX 3080 could handle 4k gaming. Does the fact it’s a tv and not a monitor make any difference? Can anyone offer and suggestions as to why this isn’t working? Should I just give up on the idea and stick to my PS5?

Thanks!
 
Thanks all for the responses so far. Cable is definitely connected to the hdmi port of the gpu and the cable is a brand new high quality hdmi 2.1 cable I bought from Amazon. I do normally connect the monitor via the display port tho so not sure whether change from display port to hdmi could have an impact? Card seems fully seated as far as I can tell. Will run a benchmark test
 
So I can’t even run a benchmark test it would seem. Have executed Perfmon twice and both times the PC has just shut down before the test has completed. Any thoughts?
 
Thanks all again for your comments. I am now thinking it is a CPU issue. Just installed some monitoring software and the CPU is sitting at 100 degrees without me running anything on the PC and it is now shutting itself off after a few mins max. I bought it as a pre-built machine and luckily it has a repair warranty so I think it needs to go back. Before I do that though, does everything look OK from the images below? Nothing obviously amiss - fans right way round etc :cry:? All cables and parts are connected properly as far as I can tell.



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Just googled it so it's the bit that sits on top of the processor and connects to the fans at the top of the case. Seems to be working as far as I can tell. It's RGB's are lit up like a Christmas tree :cry: . Can't hear any whirring or gurgling other than the whirring from the fans.
 
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