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I upgraded to 16.04, and now when booting with the default kernel the system freezes at the purple screen with dots after some seconds. I tried recovery mode and it also freezes after doing some work. It only boots when I try the upstart option in the advanced options.

My system is a Dell Inspiron mini 10

The last printed lines are (in recovery mode)

[ OK ] Started Braille Device Support.
       Starting Tell Plymouth To Write Out Runtime Data ....
       Starting Recovery Mode Menu....
[ OK ] Started Tell Plymouth To Write Out Runtime Data.

Then it freezes.

Zanna
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imb
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1 Answers1

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SOLVED: I have solved the problem!!. It is a bug: Bug 1253523 SOLVED BY Iván Jiménez 2015-11-02 23:28:31 EST . He wrote: This bug is caused by the file /var/lib/systemd/backlight/platform-dell-laptop:leds:dell::k‌​bd_backlight created by (I guess) systemd-backlight@.service, because I can boot with kernel-4.2.3-200.fc22.x86_64 after I remove that file. As that file is re-created at shutdown, I have to mask the service systemd-backlight@leds:dell::kbd_backlight.service with: sudo systemctl mask systemd-backlight@leds:dell::kbd_backlight.service . I followed his intructions and now it boots normally. THANKS VERY MUCH

imb
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