Linux Mastering Development Ubuntu

Segmentation fault / fail to boot after CPU upgrade?

My machine is a HP ProDesk 400 G4 SFF running Ubuntu Server 20.04. It was running just fine with the original Intel i5-6500 CPU, but upon upgrading to an i7-6700 the system will no longer boot. I’ve tried entering rescue mode and emergency mode, but neither of them will actually boot the system. Any ideas? […]