[Tutorial] Fixing Screen Flickering Issues on LattePanda 3 Delta when connecting other eDP displays

Introduction:

Some users may experience a flashing screen issue when connecting their eDP screens to the LattePanda 3 Delta. This is due to a voltage problem with the RST signal. Follow the tutorial below to resolve this issue.

Steps:

Step 1 - Update BIOS

- Download the latest LattePanda BIOS (which includes voltage control for the RST pin of the eDP interface).
- Follow the guide provided to update the BIOS.

Step 2 - Modify BIOS settings

- Enter the BIOS by pressing the appropriate key during startup (usually the "Delete" or "ESC" key).
- Once in the BIOS, navigate to Advanced -> Power Management -> GPP D6, and set it to LOW.

- Save your changes and exit the BIOS.

NOTE:

Not all eDP screens are compatible with the LattePanda 3 Delta. Please refer to the eDP pin information for the LP 3 Delta below in advance to ensure compatibility.