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Ubuntu stuck booting


New Member
I am using a clean Ubuntu 21.04 installation. Around 4 out of 5 times the N40 doesn't boot and is stuck with repeated

watchdog: BUG: soft lockup - CPU#0 stuck for 23s! [swapper/0:0]
On another occasion I had a

xHCI controller not responding, assume dead
also not booting. Another time the WIFI card was not detected.

As far as I can tell these occur randomly.


Staff member
I suggest you install Windows 10 system and check if you have the same problem. If you have the same problem, please let me know and I will assist you to solve it.
Or use a lower version of Ubuntu to try.
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