You have to log out for the changes to take effect.You can also re-map AudioPrev ( Fn+Left) and AudioNext ( Fn+Right) to Home/End:
LENOVO T420 BLUETOOTH DRIVER LINUX INSTALL
Install xmodmap with the package xorg-xmodmapĪdd this line to your ~/.xinitrc to make it work: Keys forward and back (next to cursor keys) can be easily remapped to PageDown/PageUp. This solution also allows you to rebind the ThinkVantage button and certain FN layer shortcuts (the blue logos on the keyboard). Xbindkeys and xbindkeys_config-gtk2 AUR can be a solution for media keys that are not working. You must find a workaround and bind the keys yourself for the rest of them. Volume keys (Works out-of-the-box in GNOME and KDE Plasma).Media Keys that Do Not work out of the box: Media keys that (should) work out of the box: To kernel boot parameters, if that does not work, uninstall the xf86-video-intel package. If your system hangs for some 10 seconds occasionally when switching virtual terminals with Ctrl+Alt+Fx with the following dmesg line Using the following kernel boot parameters reduces battery drain: Installing nvidia-390xx-dkms AUR, nvidia-390xx-utils AUR and optimus-manager AUR allows the user to use their Quadro NVS 4200M card easily and seemlessly, only requiring a logout for switching the cards. The package tlp is an alternative tool that can replace laptop-mode-tools AUR.
No significant issues were found using Laptop Mode Tools. If your level is no longer auto, you have successfully gotten your fan's levels to be accurate to Windows' drivers. Now start thinkfan, and check your fan levels. If you encounter an error involving thinkpad_acpi, a quick reboot of your system should solve it. Hwmon /sys/devices/virtual/thermal/thermal_zone0/hwmon1/temp1_input Hwmon /sys/devices/platform/coretemp.0/hwmon/hwmon4/temp2_input Hwmon /sys/devices/platform/coretemp.0/hwmon/hwmon4/temp1_input Hwmon /sys/devices/platform/coretemp.0/hwmon/hwmon4/temp3_input Hwmon /sys/devices/virtual/thermal/thermal_zone0/temp Below is an example configuration file, based off of a T420 with NVIDIA Optimius: $ find /sys/devices -type f -name "temp*_input" If you have not modified any settings previously, it should show your level as auto.įind your sensors' location by running and taking note of the output: Install the package thinkfan AUR, tp_smapi or tp_smapi-dkms AUR, read-edid, and i2c-tools. It also installs itself to systemd without intervention unlike thinkfan.Īs per this Thinkfan install guide for the T420, you can get the fans of your system running optimally. When using systemd, you may want to blacklist the tp_smapi module if your rvice fails, as new ThinkPads handle everything over acpi.ĬPU frequency scaling is fully supported with all of the available processor models with this laptop.īefore installing programs and editing all these config files, try out zcfan AUR which aims to be a zero-configuration fan control program for Thinkpads. While these values should be permanent, they will be reset any time the battery is removed.ĮxecStart=/usr/bin/perl /usr/bin/tpacpi-bat -v -s SP 0 80ĮxecStart=/usr/bin/perl /usr/bin/tpacpi-bat -v -s ST 0 40Īlso, if you are dual booting with Windows, you can still control the battery charging thresholds with Lenovo's Power Manager which communicates directly to the battery controller. You may also want to write a simple rvice and enable it to set them at startup.
LENOVO T420 BLUETOOTH DRIVER LINUX FULL
The example values 40 and 80 given here represent the percentage of full battery capacity remaining. usr/bin/perl /usr/bin/tpacpi-bat -v -s ST 0 40 usr/bin/perl /usr/bin/tpacpi-bat -v -s SP 0 80 Insert the acpi_call kernel module by running To control the battery charging thresholds, install the Perl script tpacpi-bat. Some features like setting the starting threshold for charging the battery do not yet work. For example, the hard drive protection mechanism HDAPS now works well. A number of features work since version 0.41. Unfortunately, tp_smapi is only partially supported on the Thinkpad T420. See Fingerprint-gui for more information.ĪCPI is well supported here. The rest of the installation process can be followed with the Installation guide.Īll hardware works out of the box except the following:įingerprint reader works great with fprint and PAM (installation of fingerprint-gui recommended). There are no issues with installing Arch Linux with the latest Archiso. If you use Legacy Boot (traditional BIOS) or UEFI/Legacy Boot, choose an MBR partition table when partitioning the disk, because those modes are not compatible with GPT partition tables on the T420. This laptop supports UEFI as well as the traditional BIOS.
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