MCE hardware error cpu 0

1.0 Error

Error

While running Ubuntu 18.04.1 on a laptop, the following errors were observed.

mce: hardware error cpu 0 machine check 0 bank 6 ae0000000040110a
mce: hardware error tsc 0 addr ffb07540 misc 238a0000086
mce: hardware error processor 0:40651 time 1540082330 socket 0 Apic 0 microcode 24
ipmi dmi invalid offset 0

The system would stop in the single user mode.… Read more

Unity launcher stays at the left, does not auto-hide

Problem: After login in the Ubuntu Linux system, the Unity launcher stays at the left edge of the display. It does not auto-hide.

Solution: Click on the Settings icon in the top right corner of the display. Select System Settings. In the next window, Personal, Hardware and System application icons are shown.… Read more