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I have this brand new backlight keyboard (Seisa DN-V710), the first time I plugged in (USB) all the fancy light and keys looks fine. In a very short time I notice both, Ctrl and Alt function as Shift (Ctrl+C = C capital)

I tried to search how to change the driver, the layout, etc. But all my efforts ended when I look up the xev, the shift key; the control key and the alt key are mapped with "keycode 50"

Please, I don't know what else have to do, and I really like this keyboard...

A.B.
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Andres Jalinton
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  • 4

2 Answers2

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Here is a manual approach that might fix this:

Type command xmodmap and find the offending modifiers (for example, control and mod1)

You can clear and reassign to the right keys like this:

For control:

xmodmap -e 'clear control'
xmodmap -e 'add control = Control_L'
xmodmap -e 'add control = Control_R`

and for alt(if alt is mod1):

xmodmap -e 'clear mod1'
xmodmap -e 'add mod1 = Alt_L'
xmodmap -e 'add mod1 = Alt_R'

If this works, making changes persistent can be done according to this post.

jackw11111
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If all these keys are mapped to the same keycode, the Linux kernel cannot distinguish between them and you should contact the hardware vendor about this...

Fabby
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