Dell XPS 15 9550

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Note: This page refers to the 9550 variant of the XPS 15. This is identical to the Dell Precision 5510 but without a Nvidia Quadro 1000m card

Device	Status	Modules
Video	Modify	i915, nvidia
Wireless	Working	brcmfmac
Bluetooth	Modify	bluez bluez-utils
Audio	Working	snd_hda_intel
Touchpad	Modify	libinput libinput-gestures
Webcam	Working	?
Card Reader	Working	rtsx_pci
Wireless switch	Working	intel_hid
Function/Multimedia Keys	Working
Power Management	Modify

This page covers the current status of hardware support on Arch, pre-installation system configuration tweaks, as well as post-installation recommendations to improve the usability of the system.

The installation process for Arch on the XPS 15 9550 does not differ from any other PC. For installation help please see the Installation guide and UEFI. To set up a dual boot configuration with Windows, refer to Dual boot with Windows.

As of kernel 4.3, the Intel Skylake architecture is supported.

Pre-Installation System Settings

Prior to installation, access the system UEFI firmware by pressing F2 during boot.

Turn off legacy ROM
System -> SATA: change to AHCI
Secure Boot: disable
POST Behavior: Fastboot: Thorough

Source

Installation of Arch can proceed normally. Refer to the Installation guide for more info.

Graphics Configuration

The Dell XPS 15 9550 has Intel HD Graphics 530 integrated graphics, and some models have a Nvidia GeForce GTX 960 dedicated card as well in a hybrid configuration.

For computers with only integrated graphics, just install the xf86-video-intel driver.

If your XPS has a hybrid graphics configuration (GTX960M + HD Graphics 530) and you want to maximize battery life you can just use the Intel Graphics.

Intel Only

If your model comes with an nVidia card which you do not use then you can try to disable it with an ACPI command. Depending on the model, this can have a small to profound effect on the laptop's temperature and battery life (it can more than double battery life!)

Install the Intel video driver using the xf86-video-intel package.
Blacklist the nvidia & nouveau modules Kernel modules#Blacklisting
Power down the GPU with an ACPI command

Optimus Configuration (Hybrid Intel and Nvidia)

The Optimus setup consists of the integrated Intel chip connected to the laptop screen and the Nvidia card runs through this. As such, the Nvidia chip cannot be used without the Intel chip (some other laptops have the option in BIOS to turn Intel off and use just Nvidia, but not this laptop). See the Bumblebee page set of instructions, particularly the Bumblebee#Installation Intel/Nvidia section. The main thing to note is that installing both the Intel and Nvidia packages at once tends to avoid dependency issues. The correct driver for the Nvidia card is nvidia.

Touchpad

By default the touchpad does not respond to tap input or two finger scrolling. You can change the behavior by installing Libinput and adding 30-touchpad.conf to /etc/X11/xorg.conf.d:

/etc/X11/xorg.conf.d/30-touchpad.conf

Section "InputClass"
    Identifier "MyTouchPad"
    MatchIsTouchpad "on"
    Driver "libinput"
    Option "Tapping" "on"
    Option "Natural Scrolling" "on"
EndSection

Source

Gestures

You can configure custom gestures using the libinput-gestures^AUR package. You can follow the instructions from the documentation. Below is a sample configuration file that one might use with this tool:

~/.config/libinput-gestures.conf

# Go back/forward in chrome
gesture: swipe right 3 xdotool key Alt+Left
gesture: swipe left 3 xdotool key Alt+Right

# Zoom in / Zoom out
gesture: pinch out xdotool key Ctrl+plus
gesture: pinch in xdotool key Ctrl+minus
  
# Switch between desktops
gesture: swipe left 4 xdotool set_desktop --relative 1
gesture: swipe right 4 xdotool set_desktop --relative -- -1

Power Management

Suspend & Hibernate

Suspend works without issues, however Hibernation is not completely stable. Write the following to /etc/systemd/sleep.conf:

/etc/systemd/sleep.conf

[Sleep]
HibernateState=disk
HibernateMode=shutdown

Battery

Battery life can be improved by installing powertop and calibrating it. See Powertop for more info. To further improve the battery life, you can disable the touchscreen in the BIOS.

Fans

The fans may remain on even at low temperatures, draining the battery and producing an unpleasant noise that will only stop on reboot. This is due to the fans being controlled by the BIOS by default.

To prevent this behavior, configure i8k as described in Fan speed control#Dell laptops and use dell-bios-fan-control-git^AUR utility to disable BIOS control of fans which conflicts with i8k. You may also want to enable and start dell-bios-fan-control.service to ensure BIOS control of fans is disabled at boot.

Bluetooth

Bluetooth is disabled by default. If you wish to use Bluetooth you will need to install some firmware. See Bluetooth and bug report for details.

bcm20703a1-firmware^AUR includes includes the firmware necessary for the Broadcom BCM20703A1 Bluetooth device.

This firmware has been added upstream to linux-firmware [1], so bcm20703a1-firmware^AUR is no longer needed as of release 20200421.78c0348-1

Thunderbolt 3 Docks

It is possible to get video, audio, Ethernet and USB devices working by updating your BIOS to version >=1.2.19 and disabling Thunderbolt security in your bios settings. If you do not disable Thunderbolt security, then only video and power will work (at lest on the Dell TB16 dock).

On bios version 1.4.0 the USB and Ethernet peripherals will not work unless Thunderbolt security and Thunderbolt Boot support options are disabled.

Using bolt allows to use all features of the dock with Thunderbolt security activated.

It should also be noted that the TB16 dock will crash when hot plugged on all BIOS versions after 1.2.18 (Still the case as of version 1.4.0, but no longer as of version 1.8.1).

USB-C / Thunderbolt 3 Compatibility Chart

Device	Ports	Status
StarTech TBT3TBTADAP Thunderbolt 3 to Thunderbolt Adapter	Thunderbolt 2, Thunderbolt	Working
Apple Thunderbolt 3 (USB-C) to Thunderbolt 2 Adapter	Thunderbolt 2, Thunderbolt	Not Working
CHOETECH USB-C to DisplayPort Cable (4K@60Hz)^{[dead link 2021-11-07 ⓘ]}	DisplayPort	Working
CableCreation USB-C to HDMI DVI DP	HDMI, DVI, DisplayPort	Working

This chart may also be helpful.

BIOS/firmware Updates

You can update your BIOS either manually, or with fwupdmgr (recommended). Recent BIOSes fix the screen flickering issue previously worked around with the i915.edp_vswing=2 kernel parameter.