Black border appears on the display?¶
Select the correct resolution
Click the Raspberry Pi icon -> Preferences -> Screen Configuration.
Then choose Configure -> Screens -> HDMI-1 -> Resolution -> choose the 1280x800.
After that you need to click the tick icon to save your configure.
When using Raspberry Pi Imager to install a system on a Micro SD, you can check the Disable overscan.
Or when you get to the desktop, click the Raspberry Pi icon -> Preferences -> Raspberry Pi Configuration.
Disable Overscan in the Display page.
If your display has no sound, you need to confirm the current Audio output mode. Analog mode is used to output to the headphones, and HDMI mode is output to the speakers.
Make sure that the speaker wires are well connected.
Adjust the volume level by using the buttons on the driver board. If there is still no sound, please contact us.
The screen shows No Signal after the device is turned on?¶
Please check if all the cables are plugged in properly.
Check if the control board (Raspberry Pi) is on.
Check if the SD card has the correct system installed.
Make sure the touch module is connected to the control board (or device) via the USB touch cable.
Check if the touch module is damaged, if so please contact us.
Use of the touch pen¶
This display works with passive capacitive stylus, while active capacitive does not.
The LCD display cannot be turned on without connecting other devices.¶
This is a normal phenomenon, please use it after connecting Raspberry Pi or other devices.