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CCL54

No screen on HDMI with bananapip pro and armbian buster

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Hello,

 

I'm a complete beginner with Armbian and SOC board. 

 

I've a bananapi pro board from lemaker and I've installed 6 month ago Raspbian / Jessie and domoticz and all works well until a click unfortunately on update icons of domoticz...and the problems began...no back up...new version of domoticz required buster...image buster not avalaible under raspbian for bananapro....

 

So I decided to install Armbian/buster_minimal

 

I've serial link on which I can see that board boot correctly. I've installed Armbian-config and the "Default install desktop with browser and extra".

 

I want the board to show information on HDMI output...but no screen.

 

I spent a lot of time on forums, my board is powered with USB from a PC. My monitor is a TV. My Sd card is working well (sandisk A1 16Gb) and the board worked and output data on HDMI with Raspbian/jessie so it seem that the problem doesn't come from hardware.

 

I've also seen on posts that resolution could be the problem, I've change in /boot/armbianEnv.txt:

 

console=display

disp_mode=1920*1080p60 to 1280*1024p60

 

save it and reboot

 

not working...

 

Sorry for my question if it has already been solved or if it is a silly question

 

Someone could help me ?

 

Regards.

 

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Hello,

 

I've tried with different PSU, my board can be only powered via USB but anyway, I don't think it's the problem because with Os Jessie my board boot on HDMI....

 

I succeed to configure my board via serial COM so my topic can be closed. If I find the root cause later I will come back on my post to give the solution.

 

Thanks again.

 

Regards.

 

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3 hours ago, CCL54 said:

I don't think it's the problem because with Os Jessie my board boot on HDMI....


Power related troubles will manifest strangely and can lead you to the wrong conclusions. There is also a significant diff between approach in power handling between old 3.4.y kernel and a modern one. There is different power draw and that is enough to behave different, especially if your powering is on the edge. I have experience that and can easily simulate with a precise PSU.

 

mUSB powering is on the edge by design.

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