I just got the Raspberry P5 and I tried to insert the SD that I use on the P4… It seems to start and I can see it perfectly on WebConf… but it doesn’t work with VNC… My problem is that I didn’t know I had to change the flat cable of the display and I would like to see the Zynthian remotely to set the various encoder pins… but without VNC (which I enabled from WebConf), I can’t do anything… Thanks for any info
Remember our earlier discussion on RPi5 not working without a display? Try plugging HDMI in.
Thanks @riban, I always try to read everything, but unfortunately what would you do in an Italian forum…? Google translator writes some crazy things and it’s often difficult to (40% of @wileu is pure madness with Google translator). Unfortunately I don’t have an HDMI cable for Raspberry… but the flat cable arrives on Monday… I was just curious to see if it worked with the SD of the p4… and it seems so. I set the overclock to 0 on the Pi5.
Parlare in modo senza senso! 
Awesome! Thanks 
I love Italian…
I’m sorry but what you wrote in Italian is not very correct… I don’t dare to imagine what I write in English…
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That was an interesting statement 
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Luckily I had an HDMI cable from the Raspberry Pi4 with which I built a mini server with OpenMediaVault… I was able to see that by inserting the SD with Zynthian that I used on the Pi4, everything works perfectly and now I can use PianoteQ to its full potential on Zynthian… This makes me VERY happy. All the buttons and encoders and the audio and MIDI card (self-built) work perfectly… Thanks Zynthian… 
Anyone an idea how to wire an hdmi plug so it pretends to be a working hdmi monitor as a temporary fix or is there digital chat involved?
I plugged a vga converter into it, the hdmi powers it, they cost 2$, when I googled it it looks like thats what everyone else does, the dummies appear to be the same thing in a smaller package
24C02 EEPROM is used in the commercial HDMI dummies, with 4 resistors
for the life of me I cant find micro dummies
I don’t know if I understood your cryptic question @wileu… But I use this cable to connect the HDMI…
@lanmower has answered this.
I was wondering if there was a way to fool an HDMI connection into believing that it was plugged into a monitor so the Pi5 would operate and apparently an HDMI to VGA converter works.
Ahhhh…now I understand…sorry. 
Improvements of KMS in next kernel may help.
@riban, with all that we spent to make you study… fix these things, right? 
have you tried dtoverlay=vc4-kms-v3d-pi5,nohdmi in Display Config?