You want to know if there is a way to customize the preboot screen in FDE.
To customize the preboot screen, you may perform the following procedures:
- Navigate to a specific group that you want to customize the preboot.
- Expand policies and click Full Disk Encryption. Expand Login.
- Enable the Login Background Color, you can customize the color of the preboot.
- Enable the Logon Banner then you can upload an image to use as a banner