I was trying to upload a sketch to my nano 33 IoT and it started the upload and the stopped and every thing the console turned red like there was an error and the it showed the device was not connected and the in went into the device manager app and now it show Nano 33 IoT Bootloader and I tried clicking the reset button to get it out of bootloader mode and the light just turned off for a fraction of a second and then went back to bootloader mode and I tryed every thing I could think of to stop it and nothing works, I hope someone can help. (I'm using the cloud editor)
I'm not familiar with your board but I suspect that there is currently no sketch loaded due to the fact that the upload stopped. As a result the Nano 33 IoT might stay in bootloader mode.
So I would pick the bootloader port (as shown in Windows device manager) in the IDE and upload an innocent sketch like blink.
I suspect that that will solve the issue.
If that does not work (upload error), try again but double-tap the reset button when the IDE reports the memory usage.
Here is another topic that had the same symptoms: Nano 33 IOT Upload ─ Error. Please do not add your problem to that topic.
OP selected the wrong board.
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