Hardware/Dell/Latitude E7240

Booting

If the UEFI partitioning scheme is used when installing NixOS, the device might throw an invalid partition table error when powered on.

To resolve this issue, enter the UEFI settings menu by holding F2, navigate to the General > Boot Sequence section, then change the Boot List Option setting from Legacy to UEFI.

Fingerprint reader

The device has a built-in fingerprint reader, the BCM5880 Secure Applications Processor with fingerprint swipe sensor.^[1]

Broadcom has not provided Linux drivers for the fingerprint reader as of this writing (2024 July 31).^[2]^[3]^[4]^[5]^[6]

Firmware updates

The device supports firmware updates through fwupd.

SMART monitoring

The device supports SMART monitoring, but it must be turned on in the UEFI settings.

External links

Dell page for the laptop

References

[1] [https://linux-hardware.org/?id=usb:0a5c-5801

[2] ttps://bugs.launchpad.net/ubuntu/+source/libfprint/+bug/602071?comments=all

[3] ttps://askubuntu.com/questions/879175/broadcom-bcm5880-ubuntu-compatibility

[4] ttps://ubuntuforums.org/showthread.php?t=2274752

[5] ttps://forum.level1techs.com/t/looking-for-help-with-linux-and-the-broadcom-bcm5880/111880

[6] ttps://www.dell.com/community/en/conversations/latitude/fingerprint-driver-for-gnulinux/647f882ff4ccf8a8de7888c6

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