You may find that whilst using a Firestick to watch live racing or films on GCN+ that the screen is proportioned incorrectly in 'picture in picture' style. Here are a few was in which this can be fixed.
- Go to Firestick settings
- Select Display & Audio
- Select Display
- Select Calibrate device and follow the instructions on screen
Alternatively, you can try uninstalling and re-installing the GCN+ app and also clearing the cache. Follow these steps to clear the cache:
Choose Settings on the home screen of your FireStick (menu bar on the top).
- Open Applications.
- Scroll down and open Manage Installed Applications.
- Select the GCN+ app. When you do that, the cache size appears on the right.
- On the following window, click Clear cache