I’ll look for baudrate, but doesn’t explain why it’s work when I flash the firmware again…

It work for me since the last year but start buggin this week.

The bltouch les stay red (might turn purple when the boot is done)

Merci beaucoup !

I don’t work with this computer, my company provides us one. But thanks for the idea!

I don’t understand, I have multiple monitors with different size and it work well.