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I installed Elementary os 0.4.1 loki on my Sony SVE1513W1RB. First I encountered a problem when the system wakes up from suspend keyboard and touch pad won't work. Fixed this problem by adding i8042.direct i8042.dumbkbd into file /etc/default/grub into parametr GRUB_CMDLINE_LINUX_DEFAULT. Now when system resumes after suspend all keyboard indicators (caps lock, scroll lock, num lock) are always lighting up and are uncontrollable. Can I fix it?

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Here you can see why the indicators don't work. It's caused by i8042.dumbkbd. If you delete that part the issue will disappear.

Also, checking this question I've found that using atkbd.reset instead of i8042.direct i8042.dumbkbd will make the keyboard and touchpad work without having the issues that you comment.

So, just change that line and don't forget to sudo update-grub and reboot.

  • Replaced i8042.direct i8042.dumbkbd with i8042.reset, but now keyboard does not work after suspend. – Yemelyan Dimitri Mar 12 '18 at 23:29
  • Can you try with atkbd.reset? – Maccer Mar 13 '18 at 9:54
  • atkbd.reset works. – Yemelyan Dimitri Mar 13 '18 at 23:59
  • Good, so problem solved! I've already edited my question with the correct command. – Maccer Mar 14 '18 at 7:23

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