Dell XPS 13 (7390)
| Hardware | PCI/USB ID | Working? |
|---|---|---|
| Video | Yes | |
| Wireless | Yes | |
| Bluetooth | Yes | |
| Audio | Yes | |
| Touchpad | Yes | |
| Webcam | Yes |
Screen
Backlight
Install acpilight or lightAUR to set the display backlight. Add the following udev rule and your user to the video group:
/etc/udev/rules.d/90-backlight.rules
SUBSYSTEM=="backlight", ACTION=="add", \ RUN+="/bin/chgrp video /sys/class/backlight/%k/brightness", \ RUN+="/bin/chmod g+w /sys/class/backlight/%k/brightness"
To avoid automatic backlight dimming, enter BIOS(F2 at boot) and disable "EcoPower" option in "Video" section
Screen glitching or flickering
Panel Self-Refresh (PSR) may need to be disabled to avoid screen flickering in some systems. You may also need to disable DRI in your Xorg configuration file to resolve these issues.
DRI option will reduce performance in GPU intense applications such as video games.Battery
It is possible to set the start and stop charging thresholds similar to TLP for ThinkPads using dell-command-configureAUR.
Example:
# /opt/dell/dcc/cctk --PrimaryBattChargeCfg=custom:75-80
PrimaryBattChargeCfg=Custom:75-80
To reset the thresholds at reboot simply add a cronjob:
@reboot /opt/dell/dcc/cctk --PrimaryBattChargeCfg=custom:50-80
To reset battery thresholds using a systemd-timer and a corresponding unit:
edit /etc/systemd/system/dell_battery.timer:
/etc/systemd/system/dell_battery.timer
[Unit] Description=Set charging thresholds for battery [Timer] OnBootSec=5 [Install] WantedBy=timers.target
edit /etc/systemd/system/dell_battery.service:
/etc/systemd/system/dell_battery.service
[Unit] Description=Set charging thresholds for battery [Service] ExecStart=/usr/local/bin/dell_battery_thresholds.sh RemainAfterExit=yes [Install] WantedBy=default.target
edit /usr/local/bin/dell_battery_thresholds.sh:
/usr/local/bin/dell_battery_thresholds.sh
#!/bin/bash /opt/dell/dcc/cctk --PrimaryBattChargeCfg=custom:75-87
make the script executable and enable dell_battery.timer.
Function/Multimedia Keys
| Key | Visible? | Working? | Effect |
|---|---|---|---|
Fn+F1 | Yes | Yes | XF86AudioMute |
Fn+F2 | Yes | Yes | XF86AudioLowerVolume |
Fn+F3 | Yes | Yes | XF86AudioRaiseVolume |
Fn+F4 | Yes | Yes | XF86AudioPrev |
Fn+F5 | Yes | Yes | XF86AudioPlay |
Fn+F6 | Yes | Yes | XF86AudioNext |
Fn+F7 | Yes | Yes | Task view : sends Super+Tab followed by a key with keycode 0x0 |
Fn+F8 | Yes | Yes | Switch to external display : sends Super+p |
Fn+F9 | Yes | Yes | XF86Search |
Fn+F10 | – | Yes | Toggle keyboard backlight |
Fn+F11 | Yes | Yes | Print |
Fn+F12 | Yes | Yes | Insert |
Fn+Home | Yes | Yes | XF86RFKill |
Fn+End | Yes | Yes | XF86Sleep |
Fn+Up | Yes | Yes | XF86MonBrightnessUp |
Fn+Down | Yes | Yes | XF86MonBrightnessDown |
Keybindings
Check out Keyboard shortcuts#Customization, your DE/WM's documentation or the relevant articles in the wiki (e.g. backlight, PulseAudio#Keyboard volume control, ...) to learn how to set up keybindings and shortcuts for your environment.
Volume keys
Use xbindkeys to map the volume buttons.
~/.xbindkeysrc
# Increase volume "pactl set-sink-volume @DEFAULT_SINK@ +1000" XF86AudioRaiseVolume # Decrease volume "pactl set-sink-volume @DEFAULT_SINK@ -1000" XF86AudioLowerVolume # Mute volume "pactl set-sink-mute @DEFAULT_SINK@ toggle" XF86AudioMute
Change thermal settings to reduce fan noise
Under default setting, the thermal tables controlling fan speed are fairly aggressive; they apparently try to keep the CPU below 40 degrees celsius. This is useful to have a large thermal buffer for spikes in CPU usage, but it does keep the fan constantly running even when idle (depending on ambient conditions).
The smbios-thermal-ctl utility can be used to select one of four pre-defined thermal profiles. Ensure libsmbios is installed. Then, run
# smbios-thermal-ctl -i
to see the supported profiles. Executing
# smbios-thermal-ctl --set-thermal-mode=Quiet
gave a silent-in-idle operation under light use in a warm room. See Dell XPS 13 (9370)#Thermal Modes / Fan profiles for more information.