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andrewwalker27
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Joined: 27 Jun 2005
Posts: 650

PostPosted: Thu Jul 16, 2015 8:49 am    Post subject: Strange keyboard behaviour Reply with quote

My computer is currently driving me insane with it's keyboard!
When I type anything, it keeps randomly omitting key presses, usually the first character of any sentence but then at random intervals. I'm using KDE-4.14.10 but the same thing occurs when I switch to a console.
Can anyone suggest where to start looking for this problem as I have no errors in any log files and don't really know where to begin!

Many thanks.
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Roman_Gruber
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Joined: 03 Oct 2006
Posts: 3806
Location: Austro Bavaria

PostPosted: Thu Jul 16, 2015 4:21 pm    Post subject: Reply with quote

run xev and than "play/ use " your keyboard and check the output of it. and please do not move the mouse as this also generates events!

xev to check what the computer sees form your keyboard

than judge if you have a loose calbe / connector

usb tend to hvae issues when the hardware gets older. my older notebook had a few loose usb connectors for example

cable of the keyboard could be faulty,

dirt in the keyboard, ...


thats why it is important to press keys and check instantly what xev writes

and also check a plain xorg-server session, plain x-session, could be kde s fault also
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Josef.95
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Joined: 03 Sep 2007
Posts: 3626
Location: Germany

PostPosted: Fri Jul 17, 2015 7:45 pm    Post subject: Reply with quote

Or broken autosuspend in udev 220 / 221
See https://github.com/systemd/systemd/issues/340
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Chiitoo
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Joined: 28 Feb 2010
Posts: 1766
Location: Here and Away Again

PostPosted: Sat Jul 18, 2015 5:31 pm    Post subject: ><)))°€ Reply with quote

I started seeing this some time ago myself, and I described it in detail here.
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