There's a slight chance these are both kernel bugs, but I think more
likely the laptop has some real hardware faults. Please try a newer
kernel version:
https://kernel.ubuntu.com/~kernel-ppa/mainline/v5.5.2/
or maybe easier; please try booting Ubuntu version 18.04 from USB:
https://ubuntu.co
Thanks for the bug report. I can see two separate problems in the
attached files:
--
(1) Connector 86 (the internal laptop screen) is being detected as
unplugged over and over again. This might be a hardware fault or it
might be a kernel bug:
[ 5631.614] (WW) modeset(0): hotplug event:
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