No HDMI signal, no Serial output / communication
My up board does not show anything through the HDMI port,
I have also attached an FTDI chip and there is no output.
I am powering it through power jack connector with 5V4A. I have already tried resetting the BIOS by removing the RTC battery for some minutes and plugging it pack.
I wonder if there is any hardware test (e.g measure pins voltages on the pin header) which could be done or any way to troubleshoot the issue.
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