Hi Khadas Team,
We use 2 screens in Khadas, one of which is a monitor connected via HDMI and the other is a small screen connected directly to Vim4. The problem is that if you connect a monitor to the HDMI input while Vim4 is starting, the Khadas monitor screen constantly turns off and on, or it stays on the black screen and Khadas stays where it is.
Hello @dev_tokuc
First of all, please make sure the power supply is correct, suggest you to use the official PD adaptor.
Why you connect a monitor to the HDMI Input port? This port is used for signal input not output to screen.
Does it work well if you only connect a screen to the HDMI out port?
I’m sorry, I was going to write input, not HDMI out, but there is already one HDMI port. The problem is not with the port. When normal Khadas is opened, I can connect it and see it on the monitor. The problem is that when it is connected while opening, it plays nonsense.
Hello @dev_tokuc
Sorry, I’m a little confused about what you want to do. Please check with the steps below:
- Supply the power with official PD adaptor
- Connect HDMI screen to HDMI out port
- Reboot to check whether it can work