This solution worked for my Lenovo Y50-70
https://askubuntu.com/questions/984043/unable-to-make-changes-in-bios-
after-17-10-installation/989771#989771
PS follow step 3 to the letter
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ht
I have the same problem - Lenovo Y50-70 - I took my laptop to a
professional repair shop and they could not fix it.
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https://bugs.launchpad.net/bugs/1734147
Title:
Ubuntu 17.10 corrupt
