working through the steps found here: https://wiki.ubuntu.com/DebuggingACPI
acpi=off in grub results in this:
'''$ cat /proc/cpuinfo | grep MHz
cpu MHz         : 4092.274'''

'''$ acpi -a
No support for device type: power_supply'''

acpi=off also results in power light turning on consistently

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https://bugs.launchpad.net/bugs/2132254

Title:
  Degraded performance on bootup intermittently on Acer laptop

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