There's a new kernel update for the RasPi. It interrupts the communication between the hub and the RasPi
This article is for pi-top  and pi-topCEED users whose pi-top Hub is no longer communicating with the Raspberry Pi. This article is for you if you're having the following symptoms:
- You can't see the battery icon
- You shutdown your pi-top and the red light on the Raspberry Pi stays on
- If you have a pi-top  then you can't see the battery icon.
Click on the link below to download the file. To install it on your pi-top  or pi-topCEED, simply download the file to the pi-top and double click to run. Follow the steps in the installation and reboot at the end! The entire fix takes less than 3 minutes.
Download the file from the link below