> -----Original Message-----
> From: Peter Suetterlin <[email protected]>
> Sent: 24 February 2021 17:08
> To: [email protected]
> Subject: Re: Switching from Pi 3 to Pi 4
>
> Guillaume Gardet wrote:
> >
> > Would you have a serial cable to help to debug this?
>
> Not at home where I am ATM, I'm afraid. I'll try to read up what's needed
> exactly
> (I assume some USB-to-serial converter...)
Yes, any USB/UART converter (3V3) will do the job.
I suspect an old X11 hack for RPi3 to be the problem.
You can also try a remote SSH access, if it is configured and the RPi4
actually boot, but display only is broken.
Cheers,
Guillaume
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