Setting up fingerprint reader on Ubuntu 20.04 and Dell XPS

1. Chck if you have the fingerprint reader installed

To start with have a look if your "Fingerprint Login" is not already installed. Go to Settings -> Users. If you can't see the Fingerprint Login section under the Authentication & Login, follow the steps listed below.

2. Install fingerprint reader

If you can't see the Fingerprint Login section, add the Dell repositories, update your packages cache and install required packages:

  
echo "
deb http://dell.archive.canonical.com/updates/ focal-dell public
deb http://dell.archive.canonical.com/updates/ focal-oem public
deb http://dell.archive.canonical.com/updates/ focal-somerville public
deb http://dell.archive.canonical.com/updates/ focal-somerville-melisa public" | \
sudo tee -a /etc/apt/sources.list.d/focal-dell.list

# Add the Dell repository key (F9FDA6BED73CDC22) to apt
sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-keys F9FDA6BED73CDC22
sudo apt update

# Install fingerprint reader packages
sudo apt install -y \
    oem-somerville-melisa-meta \
    oem-somerville-meta \
    libfprint-2-tod1-goodix \
    tlp-config
  

3. Setup fingerprint reader

1. Go to Settings -> Users, click on Fingerprint Login
2. Click on Scan new fingerprint
3. Choose your best and favourite finger from the list
4. Place your finger on the fingerprint scanner with different angles
5. When the indicator turns green, your fingerprint has been added
6. Fingerprint Login status should be changed to

   Enabled

7. Try the fingerprint feature in the console!

Credits:

• https://www.dell.com/community/XPS/XPS-13-9300-Does-fingerprint-reader-work-on-linux/td-p/7514958
• https://linux.dell.com/repo/community/ubuntu/