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Questions tagged [input-devices]

a device that one can use to feed data into the PC; eg a mouse, keyboard, scanner, IR receiver

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14 views

My microphone just gives white noise

I've got a Purism Librem 13 laptop which comes with PureOS (a Debian derivative) installed by default. I've got Ubuntu 18.04 installed, but the built in microphone only generates white noise. Here's a ...
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15 views

How to lower deadzone on joystick with jstest-gtk

I'd like to disable deadzone of axis 0 and 1. I'm sure there is mathematical equation to calculate values with given deadzone. Do someone knows how to calculate values or does someone knows values ...
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14 views

How can I receive a data stream of audio input from an event/device file?

Having toyed around with keyboard, mouse, and USB input files for various purposes, I have now come across a situation in which I need to access audio input data in a similar, stream-like method. Is ...
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57 views

Ubuntu 18.04 All windows permanently losing input focus

My Ubuntu 18.04 laptop had been working perfectly until now. But now I can't remove focus from any window without permanently losing the focus. So (for example) if i open a termainal it gets the ...
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1answer
114 views

My WACOM One device is not working

I had recently bought a WACOM One tablet pen, and I couldn't get it to work on Ubuntu (with gnome). I had installed the driver using the command: sudo apt-get install xserver-xorg-input-wacom The ...
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213 views

Cannot permanently disable touch screen Ubuntu 18.04

Before you mark my answer as a duplicate, please read. I am facing ghost touch issues with my touchscreen on my Dell laptop. I have read through almost all answers here and on other sites and the ...
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41 views

Ubuntu 16.04 keyboard buttons v and 7 randomly stop working

I will try to explain the problem to the best of my abilities. Some time after PC boot the v key and the 7 (not Num Pad) stop working. But they don't stop working completely, they work when using ...
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1answer
187 views

Gamepad using xboxdrv help needed

I followed the guide on this page -> https://steamcommunity.com/app/221410/discussions/0/558748653738497361/ to get my generic usb wired gamepad to work on my notebook. But as mentioned in the guide, ...
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1answer
292 views

Is adding a user to input group secure?

I just read a thread about enabling touchpsd gestures on linux systems using libinput-gestures https://github.com/bulletmark/libinput-gestures Is it safe to add a user to this group as this may allow ...
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110 views

USB Boot of Ubuntu 18.04 not detecting Keyboard or trackpad

This is my first attempted installation of any linux OS. I’m booting Ubuntu 18.04 from a USB drive on my Toshiba Satellite C55. The computer currently has Windows 7. I can boot from the USB with F12, ...
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58 views

Keyboard and mouse stopped working after reboot on Xubuntu 18

My keyboard and mouse stopped working after a reboot of Xubuntu 18x64. Recent changes : installed VirtualBox Most recent log entries (only show non empty logs after last reboot) Kern.log https://...
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1answer
367 views

Input devices stop working after logout or switch-user in ubuntu 18.04 LTS

After clicking logout or switch user, once the system reaches the greeter/login screen, input devices -- keyboard, mouse, touchpad -- stop working, making it impossible to login back or shutdown. ...
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Can't switch languages in Ubuntu Budgie 18

I can't switch languages (from English to Arabic for e.g). I tired using Tweaks, but it didn't work... Any alternative solutions?
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1answer
1k views

difference between /dev/input/mouse0 and /dev/input/mice

I'm working with a mouse USB driver and I really don't know how to difference and use information send by /dev/input/mouse0 and /dev/input/mice After few search on Google, I've found a few code about ...
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1answer
52 views

aiptek graphics tablet not working on 17.10

I have an old Trust/Aiptek tablet which is correctly identified in dmesg [ 7.047168] aiptek 1-1:1.0: Aiptek using 400 ms programming speed [ 7.047230] input: Aiptek as /devices/pci0000:00/0000:...
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1answer
3k views

Xbox One controller Ubuntu 18.04

What are the necessary steps to connect a wireless Xbox One controller with Ubuntu 18.04? When I try to connect the Xbox sign only blinks but when I try to connect with a cable it works in an instant....
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1answer
136 views

Touchpad works even though it seems disabled, Ubuntu 18.04

I've got my laptop (Lenovo Y720) today. It got Windows pre-installed, and I installed Ubuntu 18.04 as dual boot. I try to disable touchpad with fn+f6. I get the touchpad blocked image notification, ...
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81 views

No touchpad-tab showing up in the mouse settings

I've bought a touchpad for my desktop, because I prefer using it instead of a mouse for some tasks. Unfortunately, the touchpad doesn't work like the one built into my laptop (there is no edge ...
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191 views

How to use ioctl to read keyboard input

I'm currently trying to use a display based on Arm. This display have buttons and I'm trying to catch event when I press those buttons. I have a device file located at dev/input/keyboard0. Here is ...
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14 views

/dev/input/by-id has only one entry per gamepad model

I'm using a game controller library that interfaces with game controllers found in /dev/input/by-id, and the path has apparently been hardcoded in. If I plug in multiple game controllers of same ...
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20 views

Strange Input behavior since updated on 17.10

I have problems with my Mouse and my keyboard. It worked perfectly before I upgraded to 17.10. My first problem I can't move my mouse when I have pressed a key two seconds ago. I know that there is ...
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1answer
43 views

Ubuntu 16.04: Maps mouse device of capacitive touch display to own screen

I have a dual screen setup with a common HD monitor (HDMI) and a small 5" 800*480 display with capacitive touch in a dual screen setup, where the HD monitor is left of the 5" display. The problem is, ...
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68 views

My keyboard freezes once session starts on Ubuntu 16.04

I'm using Ubuntu 16.04. (gnome clasic). I was working as usual and my keyboard stops working after about 1 hour. I restart the computer. Logged as ausual; keyboard works to write my user password, ...
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330 views

17.10 - ASUS T103 with ASUS Pen rotated input by 90 degrees

I install and Ubuntu 17.10 and later 18.04 on a ASUS Transformer mini T103. From the beginning the boot screen is rotated by 90 degrees ccw off like it is described in this post. The login screen has ...
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106 views

Configure Apple IR Remote 16.04 MacBookPro6,2

MacBook Pro 2010, 4.13.0-32-generic, 16.04.3 with all updates. I am trying to reconfigure the input keys generated when using any of the apple remotes with the built in ir receiver. For reference, ...
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22 views

All USB plugs & internet unresponsive when running Ubuntu 16.04

I wanted to install Ubuntu as dual boot with Win10 on my desktop, error-32 prevented running from the USB drive unless I use one of my USB 3.0 ports, just mentioning it in case 3.0 is relevant to this....
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1answer
264 views

Keys don't repeat anymore, touchpad tap and touchpad two-finger scroll don't work anymore

The problem: Since recently, on my Ubuntu 16.04, the keyboard keys don't repeat anymore and the touchpad tap and touchpad two-finger scroll don't work anymore. The touchpad: Tapping the touchpad, ...
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46 views

No input working in Ubuntu 17.10

I recently updated from 16.04 to 17.10. It is installed alongside Windows 10. After updating none of my input devices work. The fwupd fix is also not working. Please help. I have a Hp laptop.
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46 views

Failed to lock /dev/parport0: No such device or address

Im trying to run zJATAG utility but it cant find parport0, Im thinking that interface name has been changed and what I can do now to access parallel port ? $ ./zjtag -backup:cfe /diygadgetblackcat ...
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1answer
289 views

Where is GNOME device configuration? - Ubuntu 17.10

I recently install Ubuntu 17.10 on my Dell XPS 13 9365. With GNOME Shell, from what I understand, Mutter is the default compositor, which supports the Wayland protocol. I haven't been able to find ...
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133 views

Mouse/Keyboard not working after Reboot

I am using Ubuntu 17.04 on my macbook pro mid 2014. While I was running League of Legend via Lutris and the system goes not working so I had rebooted, then the resoultion size gets bigger, which ...
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57 views

Keyboard+Touchpad freeze after suspend from textbox

Since I upgraded to 17.10 keyboard input and mouse (touchpad and external) is no longer possible when I suspend when the pointer is in a textbox. Until now, I did not found a solution other than a ...
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1answer
461 views

HP Notebook - dmesg suggests to use hid-rmi driver 'psmouse.synaptics_touchpad=1' instead of old driver - rmi driver not working

I was checking through dmesg and saw that there is a suggestion to use the newer hid-rmi driver for touchpad for my laptop which is new.(Model: HP-15-BS576TX). From dmesg: [ 2.507282] psmouse ...
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154 views

dmesg constantly prints message “event field not found”?

I have recently followed a guide that recommended to check dmesg for some output with dmesg | grep something. I forgot to add the grep-command first and just entered dmesg in the terminal, which ...
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1answer
133 views

Shift lock key in Unity

Belgian keyboards seem to have shift lock keys, as opposed to caps lock keys. Under Gnome or KDE, it seems trivial to change, but not so under Unity. The keyboard layout is set to Belgian, and I ...
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1answer
949 views

Unable to disable xinput

I'm trying to disable my touch screen with xinput. The output of running is xinput --list Virtual core pointer id=2 [master pointer (3)] ⎜ ↳ Virtual core XTEST pointer ...
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1answer
709 views

Using a PS4 controller inverts the screen (17.10)

Weird bug. The PS4 controller has a touchpad (which Ubuntu recognizes as a mousepad or something). When clicked, the screen is inverted (up is down, down is up). My guess is that this bug might be due ...
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428 views

Multiple bluetooth adapters connected with specific bluetooth devices

I have connected two bluetooth adapters into ubuntu 14.04 (hci0 and hci1) adapters connected and I have two different bluetooth devices devices connected here I'm trying to connect one adapter ...
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1answer
719 views

Installation of touchfreeze and gpointing-device-settings fails

I use Ubuntu 16.04 on a HP Envy laptop. My cursor is randomly jumping like described in https://radu.cotescu.com/how-to-fix-cursor-jumping-in-ubuntu/. I'd like to use method 3, but I only get the ...
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2answers
121 views

Mouse stuck after sleep/suspend

After the computer goes to sleep or is suspended, the mouse focus is 'stuck' on whatever it was focused on last. Basically, that means you can't click on anything else; for example, if I was using ...
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38 views

konsole bash: file/dir not found or no permission

I inadvertedly opended a konsole and was confused by login (user ID, connect), entered wrong details and shut down the computer rather than exiting as required. /proc/bus/input/devices Response: ...
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63 views

Mounting a webcam from one computer to another over local network

So I have this python application on my laptop that needs to use the webcam, or more precisely the /dev/video0 folder. Now this application needs to use the GPU, and my laptop is not powerful enough, ...
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75 views

What is the exact function of F4 key in ubuntu?

what is the function of F4 in Ubuntu? What I have observed is it changes my screen resolution. is there a way to change this setting?
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0answers
178 views

Increasing size of mouse pointer affected click area beyond 1x1 pixel?

is it possible to increase the size of the mouse pointer click area? The click area seems to be 1x1 pixel only. Would it be possible to increase it? So that the click area would be increased to 5x5 ...
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1answer
38 views

Ctrl+R acting like holding space bar

So I believe I've narrowed this down to a problem in Ubuntu or somewhere in software. Whenever I press Ctrl+R, it acts like I'm holding down the keyboard (i.e. typing tons of spaces). If I press the ...
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1answer
908 views

Configuring Dell touchpad to fix jumpy cursor

I am running ubuntu 16.04 on a dell inspiron touch screen module. Wheever I type my touchpad jumps. I have tried an array of guides on this forum but nothing worked well for me. $xinput list ⎡ ...
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0answers
48 views

Touchpad disabled for no apparent reason

I'm on a Toshiba Satellite laptop with Ubuntu 16.04 My touch-pad suddenly stopped working, I don't know what caused it. I did not tinker with anything related to the touch-pad. After reading this ...
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235 views

Computer not taking input from mouse and keyboard

Ubuntu 14.04 was working just fine. Today when I booted it is not taking any input from any keyboard and mouse. Since I had wireless keyboard and mouse I also tried with wired but didn't help. I have ...
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1answer
60 views

Chinese Keyboard returned different keycode when pressing F1

Since I don't have much data, I'll just keep this in short. So I bought a mechanical keyboard. Everytime I press F1 the window defocuses. F2 works. Pressing F1 in xev: FocusOut event, serial 48, ...
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95 views

Upgrade from 16.04 to 16.10 lost all input

I'm running an HP Pavilion g6 laptop (https://support.hp.com/us-en/document/c02974938). The issue is the upgrade. It ran without a hitch from 16.04 to 16.10. On boot up I could type in my encryption ...