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# Lenovo ThinkPad X1 Nano

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This article or section does not follow the Laptop page guidelines.

Reason: Still missing an accessibility, firmware and function key table one year after creation. (Discuss in Talk:Lenovo ThinkPad X1 Nano)

Hardware | PCI/USB ID | Working?
--- | --- | ---
GPU | `8086:9a40` | Yes
Wi-Fi | `8086:a0f0` | Yes
Mobile broadband |  | Untested
Audio | `8086:a0c8` | Yes
TouchPad |  | Yes
TrackPoint |  | Yes
Webcam | `04f2:b6ea` | Yes
Fingerprint reader | `06cb:00bd` | Yes
Bluetooth | `8087:0026` | Untested

## 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:

    /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 Sound Open Firmware in order for the soundcard to work.

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

To execute at every start you can add a systemd service:

    /etc/systemd/system/hdaverb.service

    [Unit]
    Description=Thinkpad X1 Nano: Fix crackly audio with headphones
    After=sys-devices-pci0000:00-0000:00:1f.3-skl_hda_dsp_generic-sound-card0-controlC0.device
    Requires=sys-devices-pci0000:00-0000:00:1f.3-skl_hda_dsp_generic-sound-card0-controlC0.device

    [Service]
    Type=oneshot
    ExecStart=/usr/bin/hda-verb /dev/snd/hwC0D0 0x1d SET_PIN_WIDGET_CONTROL 0x0

    [Install]
    WantedBy=multi-user.target

## Fan control

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

## Fingerprint reader

The fingerprint reader works out of the box using fprintd. See Fprint.

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Lenovo ThinkPad X1 Nano
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