Thanks All again !
I have had no more issues ...

Roland

Strange !
I tried several times to put it in boot mode without success and suddenly it worked again ! !
I don't understand what happened ...
It is still not showing as COMx (now labeled as "USB JTAG/serial debug unit") but it works
Thank all for your support !
Roland

Strange things are going on here ! 1- tried other cable -> same result 2-changed from desktop(win10) to laptop(win11) same cable -> appeared at COM5 3-back to desktop -> no COM 4-back to laptop -> COM5 5-tried to upload some code -> as soon as the connection tries to start, the COM5 disappears (look...

I have a Lilygo T-Display S3 that worked correctly for a certain time. Now, when I connect the USB cable, it doesn't show up as a "COM PORT" but as an external drive (with drive letter). See image. What can I do to regain control over the unit ? https://www.flickr.com/photos/rolembeek/52631513328/in...