DELL Ubuntu 9560.md

Display

• sudo prime-select intel
• sudo service lightdm restart
• sudo nano -w /etc/default/grub
  • GRUB_CMDLINE_LINUX_DEFAULT="quiet splash acpi_rev_override=1 nouveau.modeset=0"

Network QCA6174

Solution 1

• change the network hardware with https://www.amazon.com/gp/product/B0721MLM8B
• https://github.com/kvalo/ath10k-firmware/tree/master/QCA6174/hw3.0
• Disabling Powersave in NetworkManager did it for me (wifi.powersave = 2)
  • sudo nano -2 /etc/NetworkManager/conf.d/default-wifi-powersave-on.conf
• BUG https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1670041
• https://gist.github.com/marttosc/75b9678e0b83950ff3080daffff4b165
• FIRMWARE update, https://www.dell.com/support/article/ch/de/chbsdt1/sln306440/killer-n1535-wireless-firmware-manual-update-guide-for-ubuntu-systems?lang=en

Solution 2

$ cat /etc/NetworkManager/conf.d/default-wifi-powersave-on.conf
[connection]
wifi.powersave = 3

• sudo apt-get install --reinstall linux-firmware

Solution 3

• https://askubuntu.com/a/631329
  • BSSID for the 5Ghz Network, in this example: 22:22:22:22:22:22
  • BSSID for the 2.4 Ghz Network, in this example: 11:11:11:11:11:11

Gulp

• Address: C0:25:06:E6:67:C0 - Frequency:2.437 GHz (Channel 6)
• Address: C0:25:06:E6:67:BF - Frequency:5.32 GHz (Channel 64)

touchpad

/etc/X11/Xsession.d/56touchpadfix: export xinput list | grep -i touchpad | awk '{ print $6 }' xinput --set-prop "$id" "Synaptics Noise Cancellation" 20 20 xinput --set-prop "$id" "Synaptics Finger" 35 45 250 xinput --set-prop "$id" "Synaptics Scrolling Distance" 80 80

Links

• https://github.com/rcasero/doc/wiki/Ubuntu-linux-on-Dell-XPS-15-(9560)