Same problem here
Fresh 20.04 install on Lenovo x260 (intel graphics) Kernel 5.4.0-31-generic
System boots fine with no HDMI/MDP cables connected but hangs if either are plugged in.
Same problem here
Fresh 20.04 install on Lenovo x260 (intel graphics) Kernel 5.4.0-31-generic
System boots fine with no HDMI/MDP cables connected but hangs if either are plugged in.