# Alt keys not working

## post by stedentz on Jun 30, 2020

Tensorbook;

Suddenly alt Left and Right keys stop working.

```bash
uname -a
```
Linux tensorbook 5.3.0-61-generic #55~18.04.1-Ubuntu SMP Mon Jun 22 16:40:20 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux

```bash
lsb_release -a
```
Distributor ID: Ubuntu  
Description: Ubuntu 18.04.4 LTS  
Release: 18.04  
Codename: bionic

```bash
cat /etc/default/keyboard
```
XKBLAYOUT="us"
XKBVARIANT=""
BACKSPACE="guess"
XKBMODEL="pc104"
XKBOPTIONS="terminate:ctrl_alt_bksp"

```bash
echo $XDG_SESSION_DESKTOP
```
gnome

```bash
echo $XDG_SESSION_TYPE
```
x11

```bash
dconf read /org/gnome/desktop/input-sources/xkb-options
```
['terminate:ctrl_alt_bksp', 'caps:ctrl_modifier', 'ctrl:nocaps']

```bash
xmodmap -pke
```
[xmodmap2020](https://pastebin.com/Mfmc8jnt)

Please let me know if you need any info.

I appreciate your help.

Thanks.