Xev is a program that creates an x window, records any input from the x server within that window and then displays it in the terminal. It is an important tool used for debugging purposes and for deciphering the misconfiguation of input devices such as keyboards.

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Can I make a script to prevent mouse bounce clicks?

Recently my mouse has started bounce clicking, single clicks act as double and even tipple clicks most if the time. Holding left click tends to spam click and trying to do anything has become ...
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497 views

Some keys are not detected in my keyboard (multimedia keys?) by either xev or xbindkeys or keytouch: how to detect them?

It is one more attempt to get Fn keys to volume up/down, brightness, etc. working. Those controls are simply not working in my non-branded ultrabook. I want to detect them to modify ...
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68 views

Remap Windows key

I have a hardware "Windows" button on the front of my Lenovo Ideapad Yoga 13 that maps to the "Windows" key. According to xev, the keycode passed by the "Windows" key is the same that is passed by the ...
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2k views

Remap side touch button on Microsoft Sculpt Comfort Mouse

I recently purchased a Microsoft Sculpt Comfort Mouse. It uses Bluetooth to connect to my laptop and all regular mouse buttons work perfect under both Linux and Windows 7. What's different about this ...
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73 views

Keyboard key isn't working or not responding

TL/DR: When testing with xev the d key an Rshift+X in xev is not responding so I can't really test it. Is there a better program for that? My little kid was playing with they keyboard and suddenly ...
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267 views

Trying to remap PrtSc key in laptop, no keycode

I'm trying to remap PrtSc key to Insert (to use it in vim), with /usr/bin/xmodmap -e "keycode XXX = Insert" for it, I need to figure out what keycode for PrtSc is. I'm doing xev -event keyboard and ...
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2answers
95 views

How can I identify which device/keycode is being used?

I am trying to reassign the functions on the buttons of my Logitech G700 mouse. Using xinput --list, I see that this counts as two devices (four if you include the wired/wireless differences). 48 ...
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684 views

How can I set a certain keycode to a key and bind it to the right action?

I have a laptop with Swedish keyboard layout, everything works well with the keyboard. Due to injuries I am using an external ergonomic USB keyboard, this is where I am experiencing difficulties. The ...
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127 views

back/forward buttons don't show up in xev (pcmanfm doesn't work)

xinput test 9 results in the buttons being identified as 8 and 9. However, the results in xev are the following: LeaveNotify event, serial 33, synthetic NO, window 0x2e00001, root 0xa2, subw ...
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1answer
267 views

HP Pavilion G6 numpad not working in Ubuntu 13.04

I have just done a fresh install of Ubuntu 13.04 on a HP Pavilion G6 and having a little bit of difficulty getting Ubuntu to recognise the numpad. So far I have tried running numlockx on with no luck ...
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92 views

Erroneous Character Input

Summary: With default install of 12.04LTS on a Dell XT2 the g key activates g5, G% with uppercase. H and " present the same issue. With xev I can see 4 codes for each physical keystroke of these ...
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Fn function on Das Keyboard Model S doesn't work [duplicate]

I tried to test Fn with xev — pressing it or any combination like Fn + F1 for Mute doesn't show anything in output. What can I do?
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179 views

Remap broken keys: can't use Lxkeymap or xev

PROBLEM I have a hardware problem and I need a software fix. A couple of weeks ago, the m, ,, ., and Enter buttons on my keyboard (US-layout) stopped working. Could be keyboard, but probably signs of ...
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1answer
418 views

Tilt of laptop causing “Unknown key pressed” syslog entries

While trying to figure out another crash on a new HP Probook 4340s, Ubuntu 12.04, I noticed my syslog was getting continuously spammed by this: Jan 14 06:50:02 localhost kernel: [ 1070.536686] atkbd ...
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How to fix an error relating to no keyboard input accepted in gnome desktop, though keycode shows scancodes? [closed]

Running Ubuntu 11.04 x86 guest under VirtualBox 4.2.6 in a Win7 X64 host. Bear with me... this is a strange one. Once booted into Ubuntu nothing inside the Ubuntu guest seems to recognize keyboard ...
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1answer
306 views

Fixing Two key events on single key press by xmodmap

I'm using a Dell Latitude D620. Whenever I press the space key, the down arrow key is also triggered to perform its action. Here is the log: KeyPress event, serial 30, synthetic NO, window 0x3200001, ...
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693 views

Volume control slider isn't working on Sony Vaio VGN CS170F

I have just installed Ubuntu 12.04, I'm taking the big step, the problem is that I am new with Linux systems and I am really having a hard time getting it work with all the options of my Vaio machine. ...
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329 views

If a key press doesn't trigger anything in xev, is it still possible to use it for a key binding?

I'd like to register keypresses that aren't visible on xev. These are basically "special" keys on my keyboard. If the event does show up on xev, is it possible to get at?