XPS 15 L502x
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| == Installation gotcha's ==15 | == Installation gotcha's == |
Introduction
This page should give some information you need about running Ubuntu on a Dell XPS 15 L502x laptop (the ones with sandy bridge cpu's).
Installation gotcha's
- USB installation: booting from the USB3 slots won't work. Use the e-SATA slot instead!
Hardware Support Matrix
Hardware |
Ubuntu Release |
Status |
Keyboard |
Natty (11.04) |
Works |
|
Oneiric (11.10) |
? |
Screen |
Natty (11.04) |
Works |
Wireless ethernet |
Natty (11.04) |
Works |
Trackpad |
Natty (11.04) |
Works |
Wired ethernet |
Natty (11.04) |
Works |
Sound |
Natty (11.04) |
Works |
Optimus |
Natty (11.04) |
Works with manual changes |
9-in-1 card reader |
Natty (11.04) |
? |
Webcam |
Natty (11.04) |
Works |
Ntrig Multitouch screen |
Natty (11.04) |
Works with manual changes |
HDMI |
Natty (11.04) |
? |
Sound Device |
Natty (11.04) |
Works |
Hardware
Optimus / Graphics cards
Switch off NVIDIA card
# echo OFF > /sys/kernel/debug/vgaswitcheroo/switch
Switch on NVIDIA card
# echo ON > /sys/kernel/debug/vgaswitcheroo/switch
Using the following command before and after the switch, you should see a drop/rise in mW being used:
# grep rate /proc/acpi/battery/BAT0/state
You can also completely disable the NVIDIA card and only use the Intel onboard graphics card ( which has more than enough performance for day-to-day work:
# echo "blacklist nouveau" > /etc/modprobe.d/blacklist-nvidia.conf |
# update-initramfs -c -k all |
# reboot |
If you prefer there is the bumblebee project that is currently supporting the optimus devices, especially the xps 15.
Here you can find Bumblebee:
https://launchpad.net/~mj-casalogic/+archive/bumblebee/
Bumblebee allows to run applications with nvidia card:
optirun64 application |
If you want to tweak nvidia propietary driver run
optirun64 nvidia-settings -c :1 |
Trackpad
Full multi-gesture (2 points) trackpad usage work at this moment.
Touch screen
(some models only) You have to read this: https://bugs.launchpad.net/ubuntu/+source/utouch/+bug/724831
And you can try to install the last two packages: hid-ntrig-dkms_1.1.5~test_all.deb and hid-dkms_1.1.2~utouch2-test_all.deb After that restart computer and you can install touchegg to gain some multitouch gestures.
External Links
https://help.ubuntu.com/community/HybridGraphics
Trackpad
http://comments.gmane.org/gmane.linux.kernel/1108661
Information on Bumblebee (for graphics card Optimus support)
HardwareSupport/Machines/Laptops/Dell/XPS 15 L502x (last edited 2019-09-25 11:59:51 by chihchun)