Install ubuntu 20.04 on  a graphics laptop 
On boot menu choose ubuntu (safe graphics) By doing this the installer doesn't crash
nvidia server is installed for this mode automatically (Make sure you are connected to internet at time of installation)
To enable fingerprint Execute below lines
```
sudo sh -c 'cat > /etc/apt/sources.list.d/focal-dell.list << EOF
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
EOF'

sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-keys F9FDA6BED73CDC22
sudo apt update -qq

sudo apt install oem-somerville-melisa-meta libfprint-2-tod1-goodix oem-somerville-meta tlp-config -y 

sudo apt install -y fprintd libpam-fprintd

```
Go to terminal run

```sudo pam-auth-update```

Press space for where fingerprint authorization shows and OK it 

Logout and login ,Go back to activities and search users->Authentication

Enable fingerprint there and scan your finger

To verify  logout and login with your fingerprint