Rebooted, all fine. Will use it for the next 2 hours and report if any problems arise. No OOPS/assert - booted this time with external monitors attached directly. uname -a Linux t495s 5.14.21-150500.1.g06f3d0e-default #1 SMP PREEMPT_DYNAMIC Mon Jul 24 08:36:58 UTC 2023 (06f3d0e) x86_64 x86_64 x86_64 GNU/Linux