Today I got a new keyboard for my Thinkpad SL510, I noticed though that my Ctrl key wasn't working, I tried both and neither worked, but when I used both and pressed v also, it typed "5v" with other key combos it does other things, so the keys themselves cannot be physically broken as nothing happens when I just use one and press v other than v being typed, I plugged in an external keyboard and the Ctrl keys on that worked perfectly, this only happened after I rebooted, a reboot is not helping either, What can I do? my guess is it is a problem with keyboard layout.

  • List of key combos with both ctrls that happen: c+F2, m+6, v+5, x+F1, z+~, >+F8, and <+= Sep 13, 2017 at 23:02

1 Answer 1


Weird. My best suggestion would be to check your keyboard layout is correct in settings - and maybe your bios if it was sold outside the US.

These might help:


How do I change default keyboard layout (not input method) in Ubuntu 16.04?

  • Nope, didn't work, I changed the keyboard layout multiple times but none worked. Sep 13, 2017 at 23:52

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