Device firmware and drivers are necessary for graphics and also security. Luckily the graphics drivers have already been installed through `home-manager` which now only leaves the CPU firmware. For Intel systems install `intel-ucode` and for AMD systems install `amd-ucode`:
```
# apk add intel-ucode
<or>
# apk add amd-ucode
```
To make sure it is included during boot, regenerate the initramfs with: