Problem seems to have resolved itself at 5.4.0-58
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https://bugs.launchpad.net/bugs/1895342
Title:
Acer Aspire E15 keyboard and trackpad non functional after update to
vmlinuz-5.4.0-47
Public bug reported:
Have an Acer Aspire E15 running Kubuntu 20.04
Expect: Trackpad and keyboard to work after boot to WM login.
What Happens: Trackpad/keyboard unresponsive after WM starts.
Recently ( within last month) an update has caused the trackpad and
keyboard to stop being detected aft
