Lenovo ThinkPad X1 Nano

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Reason: This is still WIP and missing a lot of content (Discuss in Talk:Lenovo ThinkPad X1 Nano)

Power management

At least with all current maintained kernel (< 5.13) the laptop will fail to resume after suspension. A workaround is to disable the wake-up for the WAN modem:

# echo 'RP01      S4    *disabled   pci:0000:00:1c.0' >> /proc/acpi/wakeup

To execute at every start you can add a systemd service, for example /etc/systemd/system/wakeup-bug.service

/etc/systemd/system/wakeup-bug.service

[Unit]
Description=something

[Service]
ExecStart=/bin/bash -c "echo 'RP01      S4    *disabled   pci:0000:00:1c.0' >> /proc/acpi/wakeup"

[Install]
WantedBy=multi-user.target

Audio

This laptop requires firmware in order for the sound card to work. See Advanced Linux Sound Architecture#ALSA firmware.

On the headphone jack, a buzz/noise might be audible that even changes with different cpu usage. The fix is to install the alsa-tools package and then run

 hda-verb /dev/snd/hwC0D0 0x1d SET_PIN_WIDGET_CONTROL 0x0

Fan control

If you are suffering from overheating or you just want more control you can setup Fan speed control#ThinkPad laptops