Completely removed and replaced motherboard chipset drivers, rebooted in safe mode and ran the AMD uninstaller utility (be aware that safe mode "minimal" does not output video via DisplayPort; use HDMI!), upgraded motherboard BIOS to latest, set RAM speed to 2800 (I think my RAM is 3200 -- been a while! -- but the BIOS was reporting one of them as 2800 so I forced that speed as the BIOS wanted to be like 2400), installed the AMD drivers only -- not the Adrenalin software -- managing fan curve in Afterburner only, and... finally the card seems to be working OK. It's just a shame that there really is almost no frame rate improvement over the RX480 in the titles that were struggling on it. I'm quite surprised and disappointed in that. I thought I'd see a marked improvement and be able to turn up some details, but in most games tested so far I haven't been able to increase much without frame rates dropping to unacceptable levels.
To fix your problem, ensure your RAM is set to 1866 or 1600mhz or whatever lowest it lets you manually and disable XMP leave it on AUTO and manually set your mhz to 1/4 or half perfect division for infinity fabric like say 933 for 1866mhz.. then set your CAS lower accordingly try for the DRAM timing info listed for 1866mhz which should work. then consider slightly lowering from 13 or 11 or whatever if you paid for expensive RAM and it should be stable at CAS8 if you paid a premium on X570 or x670 or x470 board (x470 is 150% the overclocking of B450 in the minimum board specs) set your voltage for your auto stable super low latency RAM that games millions times faster to whatever its stupid XMP profile wanted it to be before you boot or it wont have enough power to boot. DISABLE GEARDOWN MODE and command rate 1T. ensure you have secureboot enabled and are running windows with ALL EXPLOIT PROTECTION games with anticheat (which core isolation makes obsolete) wont rootkit into your PC's core memory anymore so some dodgy apps maybe wont work no more but you can always add an exception to the filepath manually. its in windows 10/11 device security. So core isolation and memory integrity on. In your bios enable PBO (its not really an overclock it just uses less base clock and more boost clock)
if you have displayport monitor use displayport on the card, if you use one display port device from the card, anything else you connect must be displayport. if you wanted to connect a heap of HDMI devices to an AMD card, many asrock was it cards models seem to have like 6 or 8 or was it 12 hdmi ports? i dunno they just covered the entire rear. but maybe that was the 5700xt. hard to say.
JUST FYI *IMPORTANT!!* if you bought an overpriced ultrawide load of cheap nasty veritcally cut in half monitor called an ultrawide monitor meant for cheap mass production for dirt cheap to buy up monitors for entire offices and companies for word processing. Well sucks to be you, because its veritcally half the panel, when it says 2160p (4k) you want 4k you dont do 4k.. you select 1440p.. literally.. i cant say this enough. its not 4k its 1440p panel. if you wanted 1080p that means your gaming in 720p. Also multiple monitors or enabling HDR means the bandwidth gets used up more.. so resolutions you can do with a single display in higher quality.. you maybe cant hit anymore. When i set my 4k120hz 420 display 2.0b hdmi to full RGB 444 12bit HDR with 10bit displaypanel output 120hz i cant reach 1440p with HDMI 2.0b the bandwidth caps out for all 2.0b cards with full true rgb and full bitdepth and colour at 120hz at 1080p. you cant even upscale past it, if you try it will say 8bit with dithering. or or will change to lame 420 chroma.
- I always use good quality, powerful enough PSU's. I only use PSU's of which there is a review/benchmark, so I know that specific model has solid power delivery. Gold efficiency doesn't say anything about quality and neither does brand. Even same make and model, but different wattage PSU's can differ from each other.
- I always use decent quality motherboards with good VRM. I hate it that Asus boards with acceptable VRM's and feature sets are so expensive, but when is the last time someone here who has had issues, listed an Asus motherboard as part of their system...
- I install Windows and use it at default settings (except few privacy settings). I don't use any trickery to try to disable password checking or auto updates
- I keep everything updated from BIOS to operating system to drivers
- I don't install any software which affects system unless I absolutely need it. So no MSI afterburner, no Rivatuner, no Ccleaner, no Asus crate, no Asus A.I. whatever, no RGB programs by keyboard or mouse brands, no Ryzen master (BIOS, people, use it!), no "free" antivirus software, no automatic overclocking by any software
- Firefox, no Chrome
- I do not allow any software to start "when machine starts", but start only the programs I use at the moment
- I don't have any other USB-devices connected than mouse and keyboard
- Preferably use one monitor large enough for all the windows you need or if you need more monitors, best they are exactly the same model and use same type of connector. Don't mix and match. Though I didn't have any issues when for a short while I had two, even three monitors, just wanted to try it.
I was in touch with their support recently as I wanted 1080p for my account and they said due to the high demand all accounts are limited to 720p until further notice. I presume this means it is uploaded in this resolution, to save their servers the additional work.
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