System becomes unresponsive with freezing and dark displays.
System becomes unresponsive with freezing and dark displays.
Hello, this machine is quite new—about a year old and built from scratch. It’s my first experience with an AMD GPU. Most of the issues I’ve faced were software-related. The main problem is that my PC freezes when I run demanding games or intensive applications. Even during League of Legends or while streaming on YouTube, I sometimes see the screen go black. I’ve reinstalled drivers using DDU and have reinstalled Windows twice before because of previous file corruption problems. The GPU and OS drivers are up to date. There’s no overheating, and generally the system runs smoothly until it freezes. I ran MemTest86, checked PSU power with OCCT, and inspected the hard drive and SSD using CrystalInfo. It seems everything is in good condition except for the older hard drive I used. The last UserBenchmark showed my RX 6750 XT underperforming, which might be normal since I haven’t overclocked. No events were logged in the Event Viewer before a freeze. This issue has been ongoing for a while. Have others encountered similar problems and what did they do? My CPU is a Ryzen 7 5800X, motherboard from Asus Prime B550M-A, Wi-Fi RAM 32GB DDR4 at 3200MHz, GPU Radeon RX 6750 XT with 12GB RAM, storage includes an older hard drive and a new SSD, PSU is an MSI 650W 80 Bronze.
How many sticks are there? Have you checked the default settings, without XMP?
2 sticks placed in slots 2 and 4. No XMP applied. I had DOCP turned on. Understanding XMP/docp is quite similar but not identical. I switched it to auto and played one game of Fortnite. Everything seems to be running smoothly now. I still need to check a few more times due to these frequent freezes. Edited September 11, 2025 by Quartzera
SSD is set as my boot drive, which is M2. I run sfc /scannow occasionally since files got corrupted in the past and Windows couldn't fix them, so I reinstalled twice. Now it shows no corrupted files. I've tried synthetic load with occt and furmark, but nothing triggered a freeze.
tried turning off docp/xmp but experienced a black screen when using Steam.
PSU capacity considerations: Your MSI 650W Bronze may be close to the limits for pairing with a 5800X and RX 6750 XT, particularly if it's not a premium model. These graphics experience brief power surges of around 300W. A better option would be a higher-end 750–850W Gold GPU. Ensure your PCIe power cables are separate for each 8-pin connector from the PSU to the GPU, avoiding any daisy-chaining. The RX 6750 XT is particularly sensitive to stable power delivery. Update your Asus B550M-A BIOS/UEFI to the latest AGESA version. AMD has resolved several initialization issues that previously caused problems. Adjust Adrenalin driver settings by turning off Radeon Enhanced Sync and manually selecting PCIe Gen3 in BIOS—both can lead to black screens. Fast Startup and Windows corruption issues may arise if you reinstall the OS multiple times; disable Fast Startup in Windows power settings to prevent persistent GPU state errors. An empty Event Viewer often indicates a hard black-screen reset, suggesting the problem lies with the PSU or low-level drivers/firmware rather than software corruption. If possible, test with a reliable 750–850W PSU to confirm the diagnosis quickly. Many RX 6000 performance hiccups disappear once the PSU is replaced.
I don't have anyone I can borrow PSU from. I might find a used one on Facebook Marketplace. It seems the main problem is the PSU, since intensive games freeze when you boot up. Sometimes it also freezes or blacks screens on desktop apps. You might want a stronger power supply from another source. Regarding ratings, bronze, silver, and gold indicate the quality or performance level of power supplies—higher ratings mean better efficiency and reliability.
That’s the correct path you’re on. PSU wattage matters, but the labels Bronze/Silver/Gold/Platinum/Titanium indicate efficiency standards from the 80 PLUS program. Bronze/Silver/Gold show how well the PSU turns wall power into usable DC, while Gold means 90% efficiency at typical loads. Higher ratings don’t always mean more power output—they usually mean less heat and better performance. Stability is key, not just the watt number. A quality 750–850W Gold unit will outperform a cheaper 850W Bronze, especially for your RX 6750 XT + 5800X. Avoid transient issues by choosing a reliable model. If you buy used, confirm it’s not outdated and check for worn capacitors. In short, Bronze vs Gold reflects efficiency and build quality. For your problem, go for a fresh 750–850W Gold PSU.
I recently purchased a new white shark admiral 850W modular PSU in gold. I’m replacing the old unit and will install the new one today. While a higher-quality PSU might be available, I only had access to this one at the local store.