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I looked for many topics about this, but I didn't succeed in fixing this problem. I decided to upgrade Kubuntu 14.04.5 32 bits --> 16.04.2 32 bits - I have no uefi (using a live-usb, but this problem just appeared after... When I try to shutdown my laptop (Acer Aspire V5-531 series Windows 7 64 bits / Kubuntu 16.04 LTS 32 bits, écran 15,6", 500go DD, 4go RAM, Intel pentium CPU 967 processor, Intel HD graphics 4000), I have those information:

here

I tried to edit /etc/default/grub by 1) adding 2) replacing "quiet splash" (Ubuntu 16.04 hangs on shutdown/restart)

Same thing for /etc/default/halt (replace HALT=poweroff by HALT=shutdown). sudo poweroff -f, shutdown -h now...

What is the source of the problem, I don't even exactly know... I think about creating a script to shutdown. What's wrong?

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fafaon
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1 Answers1

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Had a similar problem: it is a Bios issue. try THIS and specifically look at "Turning off USB 3.0 legacy mode in the BIOS worked for me" if it does not work try manipulating other usb settings.

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user3546624
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