Issue with overclocking 12700K using 64GB DDR5 RAM (32GB per module, 6400MT/s CL32)
Issue with overclocking 12700K using 64GB DDR5 RAM (32GB per module, 6400MT/s CL32)
Hi,
Here’s what I’ve been doing:
I installed Memtest86+ on a USB drive, booted from it, and performed the test. It showed my memory was faulty, so I replaced the DIMMs. After that, I ran another memory check, which detected hardware problems. This might have caused the OS corruption and possibly affected my CPU’s ability to overclock. That seems to be the case.
Originally, I purchased new RAM (G.SKILL Trident Z5 RGB Series, DDR5, 64GB, 2x32GB, 6400MT/s, CL32-39-39-102, 1.40V) and my motherboard automatically enabled XMP. Everything worked well until COD Cold War kept crashing and Unity crashed.
I used DDU to uninstall the graphics driver, reinstalled it, but received numerous BSODs pointing to memory issues. After that, I ran a memory test which confirmed hardware faults. Before swapping the RAM, I reset the CMOS and re-seated the DIMMs. Once done, my OS and software operated smoothly at default BIOS settings. A subsequent memory test showed no hardware problems.
Later, I enabled XMP in BIOS and rebooted. My PC ran without issues and remained stable. I then overclocked the CPU again. After that, I encountered crashes at specific codes (7F, 61) followed by blue screens indicating corrupted system files like winload.efi. These occurrences prevented me from using the PC normally.
I cleared the CMOS once more and everything functioned correctly. I ran the sfc scan, DISM commands, chkdsk utility, checked for updates, used Intel Driver and Support Assistant, and confirmed everything was up-to-date with no corruption.
Now my RAM is XMP enabled with default overclocking on the 12700K, and it’s performing well. However, I still have a few concerns:
My File Explorer is extremely slow—tabs load endlessly regardless of RAM speed, and it keeps crashing. Is there a solution? I can’t delete or move files to another drive without triggering crashes. I can copy files to another drive, but nothing works. I restarted File Explorer via Task Manager, cleared the history, and switched from Home to This PC in Explorer. Still no improvement.
There was an incident where deleting a file or folder linked to Explorer resolved a similar problem, but I don’t recall the exact steps. I’m open to advice if you know of a workaround or another potential issue I might be missing.
Could you suggest a method to overclock my CPU without risking OS corruption? Should I increase the voltage to 1.35? Or should I switch to auto-voltage and let the motherboard manage it? I’d prefer not to damage my system and would appreciate a professional’s guidance.
I tried to be as detailed as possible. Please let me know if you have any further questions. I hope this covers everything and no more issues arise.
Thanks!
Usually DRAM speeds don't significantly affect the CPU's overclocking potential unless there are stability issues. If you haven't adjusted the SA voltage, consider adding a positive offset while keeping it on auto or dynamic settings, which might assist. Certain VDDQ tweaks could also be needed, though I haven't worked with my 12700K to provide precise guidance.
Hi! I haven't adjusted those settings yet, but I'll take a look later.
This has been a real challenge over the past day. So I'm going to wait for things to calm down. Clearing my CMOS isn't easy, lol.
Do you know anything about the Windows Explorer problem? Even though my RAM is supposed to be at JEDEC speeds, it's still slow and keeps crashing. I remember there was a method involving deleting or clearing a folder somewhere, but I can't recall what it was and can't find it on Google.
Thanks for your help!
The pleasure of handling memory on Alder Lake is minimal. There seems to be no solution that fits the situation. If you didn't attempt DDU after the system was stabilized, that could be the next step. Still, given the issues, a full reinstall might be the best choice, followed by creating a backup or restore point before any further overclocking attempts.
Yeah, I'm planning to do that too. I'll install a boot drive and perform a fresh installation, so if anything goes wrong after restoring, I won't have to reinstall everything—just the operating system. Definitely, especially with the higher spec RAM. I believe the default CPU overclock is sufficient. I won't see much difference with +400MHz; I just prefer it.
What you aim to achieve by increasing the speed is unclear, but it seems to focus on enhancing performance beyond standard overclocking limits.
I enjoy maximizing my system's capabilities. I'm not pushing for gaming performance, I'm optimizing for video editing, coding, and other tasks. My goal is to extract every bit of performance from my applications.
I previously mentioned wanting a dedicated boot drive with a fresh Windows installation. Lol, Windows Explorer is definitely beyond repair in my view, though the rest seems fine. The optimized defaults don't support XMP, and my Load Optimized Defaults are set to F7. I usually enable it by clearing CMOS or updating BIOS, then tweaking a few settings afterward.
If I choose to overclock my CPU, I'll start on my old drive to test stability before moving to the new SSD. I don't think the effort is worth it, even as a creator—benefits don't outweigh the frustration.
I just wanted to share an update in case anyone comes by.
I installed Memtest86+ on a USB drive, started the test, and found that my memory was failing, so I had to replace it. The DIMMs were correctly seated, but I opted for another memory test instead.
This might be why my OS became corrupted and possibly why my CPU couldn't OC. Unfortunately.