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I recently installed elementary OS 0.3.2 64-bit and am experiencing a weird keyboard behavior when typing.

After a few seconds when everything is OK, the following happens:

Characters are not displayed immediately, I need to type the next character before the one before appears.

It is not a lag - it simple waits for next keyboard event. Restarting usually helps but only for a short time, then the problem will re-appear. I made a few experiments end research and found:

  • it is not a hardware problem (I tested more keyboards)
  • it affects all users
  • many programs are not affected, be example Chrome, xterm, Atom editor etc.
  • it seems that most of affected programs are Elementary defaults by example scratch editor, terminal, etc. But also Guake terminal is affected.
  • Live version booted from USB is not affected at all.
  • Slow keys, bounce keys and similar functions of Universal access are Off.

Does anybody have some idea?

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  • Could you give a summary of which modifications to the system you may have made and which extra applications you have installed?
    – quassy
    Jan 20, 2016 at 16:03
  • 1
    Only added nvidia driver, openssh, atom editor, chrome, libreoffice 5 and guake terminal. I suspect nvidia driver because with nouveau it seems ok.
    – Michal Pekař
    Jan 21, 2016 at 20:33
  • I also have this problem. It doesn't happen in Windows 10
    – Suici Doga
    Feb 5, 2016 at 13:24
  • Fixed by reinstalling
    – Suici Doga
    Mar 14, 2016 at 14:43
  • 1
    Maybe it is the NVIDIA driver
    – Suici Doga
    Apr 26, 2016 at 0:16

1 Answer 1

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I had a similar issue with Elementary, and every other distro that I installed, on my laptop.

It turned out to be an issue with the way my Nvidia GTS 250m video card behaved with newer Nvidia proprietary drivers. It caused the keyboard lag you mentioned, but was a slight improvement over the frequent crashes that I experienced with the Nouveau driver.

The solution was to downgrade to the nvidia-graphics-drivers-304 proprietary drivers. It has it's own fantastic set of issues, but is stable and doesn't cause this bizarre text/visual issue, either.

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