I'm really in need of some help regarding my setup. About a week ago, I updated the BIOS on my ASUS PRIME Z790-A WIFI motherboard from version 1802 to 1825, hoping it would fix some Intel CPU defects. Ever since the update, I've been facing significant RAM instability. My computer struggles to boot Windows, often resulting in various BSOD errors, including IRQL and PageFaults. After resetting the BIOS settings to default, I still encountered the same issues. Sometimes I can log in, but then apps crash unexpectedly. I've checked the event viewer and it shows memory-related errors, such as trying to write to read-only addresses.
I thought the memory was the culprit, so I disabled XMP in the BIOS, but the problems persisted. Running memory tests like testmem5 and OCCT revealed errors as well. I even tried booting with just one RAM stick, but both sticks seem to fail in tests. It's possible both sticks are faulty, but I suspect there might be an issue with the CPU or the motherboard. I've gone through many posts for guidance and have tried several troubleshooting steps, but I'm still stuck. My setup includes an Intel i7 14700k CPU, Corsair Vengeance 2x24GB 7000MHz DDR5 Memory, and an RTX 5080 GPU. I'm planning to contact Intel to get a replacement for the CPU if needed, but I'm also worried it may be the motherboard causing the trouble. Any advice on what I should do next would be greatly appreciated!
3 Answers
I've got the same issue on by B760. I upgraded the BIOS to 1825 to fix some instability issues and now it keeps freezing/locking. The problem is you cannot rollback to the previous BIOS because the firmware has also been upgraded and you cannot roll that back.
When it comes to RAM, the memory controller needs to match the RAM speed, and your CPU officially supports speeds up to 5600MT/s. Running it at 7000MT/s is quite a bit of an overclock. You might want to back down to the 5600MT/s setting and see if that stabilizes things. You also mentioned jumping back to BIOS version 1820, which is good—1825 may still have some bugs. Try staying on 1820 while you figure this out.
It sounds like you've already done a lot of troubleshooting! The first thing that comes to mind is checking those dump files from the BSODs. They can provide valuable info about what's really going wrong. Make sure to look for them in C:WindowsMinidump if you can access Windows or Safe Mode. If you find them, zipping them up and sharing would help others diagnose your issue more effectively.
Yeah, I did downgrade to 1820 at one point. I had some stability issues even on factory settings, and I’ve tried varying voltage settings, but still no luck. I just set the BCLK frequency to 90 based on a tip I found, and it feels more stable—at least I managed to log in without crashing this time!