I have a 5800X3D processor, a Kingston 32GB RAM kit (2 sticks), and a B450 Tomahawk Max motherboard. Everything was functioning smoothly at first, but I started experiencing significant lag and noticed that only 16GB of RAM is being recognized. I've attempted several troubleshooting steps, including reseating components, updating and resetting the BIOS, disabling XMP, and testing the RAM sticks individually and in different slots—all the sticks work separately. However, I've encountered some oddities: the BIOS used to recognize both sticks, but now it only recognizes one. HWinfo also reports a good stick in B1 and an error in A0, despite the second stick being in A1. Previously, these RAM sticks worked well at 3600MHz, but now, anything above 3200 causes BSOD or boot issues, so I've kept them at the default 2400MHz since they started acting up. Any ideas on what might be going wrong?
2 Answers
You should check for any bent or missing pins on the CPU. This is more crucial if you bought the CPU used, but even new ones can have issues. Just because it was working before doesn’t mean something couldn't have gone wrong since installation.
Have you tried testing with a different CPU? Your memory controller might be on the fritz. If your 3500X works fine with the RAM, it could indicate that the 5800X3D is to blame, but it might not be definitive since it worked fine for a while.
If it works with the 3500X, would that definitely mean the 5800X3D is faulty, or could it just be a temporary issue?
I got the CPU new, and it was installed before these problems started. Pins should be fine, right?