#Keytouch ubuntu 14.04 update
#Keytouch ubuntu 14.04 driver
#Keytouch ubuntu 14.04 software
#Keytouch ubuntu 14.04 professional

#Keytouch ubuntu 14.04 driver

search for Section 'Device' and then for Driver (on my PC it said Driver 'intel' by default, but it could be something else, so change it to intel).

navigate to /etc/X11/nf and open nf (in my case latest was nf.05312015) via leafpad (e.g.

type sudo service lightdm start and press Enter(e.g.

Start X Server (you can do it all without GUI via command line, but I was more comfortable with this aproach):.

type sudo service lightdm stop and press Enter(e.g.

Press Ctrl+ Alt+ F1 (Dont panic, while your Window system is runing, you can go back with Ctrl+ Alt+ F7).

You need to kill your display manager, to create new nf file (because it runs X server):.

Today I came to the solution, which is following: I've tried many GRUB options without effect, so I was googling again and again, coming back to solve this issue.

I was using xbacklight option for some time, but it didn't satisfy me, as I knew it must be possible with Linux native way. Here is what I did, as I've been struggling with this for a long time.Ĭreating and modifying /usr/share/X11//nf file with the following lines. Thanks! echo 100 > /sys/class/backlight/intel_backlight/brightnessĮcho 100 > /sys/class/backlight/acpi_video0/brightness Maybe this a hardware problem?Īny ideas why this broke suddendly? I've upgraded from 12.04 to 14.04 in April and till yesterday the brightness keys were working fine. This is strange as the laptop came preinstalled with 12.04. Boot from a fresh Ubuntu 12.04 USB stick installation.Boot with kernel option i915.disable-pch_pwm=0.Set 'load legacy option ROM' BIOS option to enabled and 'secure boot' to disabled.Changing the brightness file in that folder does not help. This resulted in a dell_something folder being present in the /sys/class/backlight folder. Boot with kernel option acpi_backlight=vendor.I tried the following to change the brightness

#Keytouch ubuntu 14.04 professional

Professional services including support are available from Canonical and hundreds of other companies around the world.This morning I found that I cannot change the brightness of my Dell XPs 13 laptop's display anymore.

#Keytouch ubuntu 14.04 software

A tightly-integrated selection of excellent applications is included, and an incredible variety of add-on software is just a few clicks away. Ubuntu is a full-featured Linux distribution for desktops, laptops, clouds and servers, with a fast and easy installation and regular releases. If you would like to help shape Ubuntu, take a look at the list of ways you can participate at: If you have a question, or if you think you may have found a bug but aren’t sure, you can try asking in any of the following places: We recommend that all users read the 14.04.6 release notes, which document caveats and workarounds for known issues, as well as more in-depth notes on the release itself. For further information about upgrading, see:Īs always, upgrades to the latest version of Ubuntu are entirely free of charge.

#Keytouch ubuntu 14.04 update

Users of Ubuntu 12.04 will be offered an automatic upgrade to 14.04.6 via Update Manager.

In order to download Ubuntu 14.04.6, visit: All the remaining flavours will be supported for 3 years. Maintenance updates will be provided for 5 years for Ubuntu Desktop, Ubuntu Server, Ubuntu Cloud, Ubuntu Core, Ubuntu Kylin, Edubuntu, and Kubuntu. Users of Ubuntu on clouds are recommended to launch new instances using the latest images from the 14.04 release stream, which include the fix in APT for USN-3863-1. More details can be found in its individual release notes: Ubuntu Kylin 14.04.6 LTS is also now available. Many other security updates for additional high-impact bugs are also included, with a focus on maintaining stability and compatibility with Ubuntu 14.04 LTS. Unlike previous point releases, 14.04.6 is a security-targeted release for the purpose of providing updated installation media which protects new installations from the recently discovered APT vulnerability (USN-3863-1). The Ubuntu team is happy to announce the release of Ubuntu 14.04.6 LTS (Long-Term Support) for its Desktop and Server products, as well as other flavours of Ubuntu with long-term support.