Lenovo ThinkPad T420

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Notes: please use the first argument of the template to provide more detailed indications. (Discuss in Talk:Lenovo ThinkPad T420#)

This article covers the installation and configuration of Arch Linux on a Lenovo T420 laptop.

Installation

This laptop supports UEFI as well as the traditional BIOS.

Because this laptop has newer hardware than is currently supported with the official iso, its recommended that you try the testisos. The 2011.06.10 works fine.

Note: The 2011.06.10 testiso has not been tested with UEFI (or at least not shared with this wiki.)

The rest of the installation process can be followed with the Official Install Guide.

Laptop Settings

ACPI

ACPI is well supported here. No obvious troubleshoots.

Tp_smapi

Unfortunately, tp_smapi is not yet supported on the Thinkpad T420.

CPU Frequency Scaling

This feature is fully supported with all the available processor models with this laptop.

PM-Utils

Suspending and hibernating works as intended.

Troubleshoots

Media Keys

Media keys that work out of the box:

  • Wireless On/Off
  • Backlight Brightness settings
  • Thinklight

You must find a workaround and bind the keys yourself for the rest of them.