Universal problem with NODE MCU not recognised when plugged to USB port of a computer.
I had purchased 2 Node MCU from amazon and initially when i connected the same to PC, it seems working fine.
But however after a restart my node MCU no longer recognised as a device (not even unknown device)
I tired installing / uninstalling drivers 100x times but the issue persists.
After a number of trials and test i came to know that the USB cable is the main cause of the problem.
Yes, most of the USB cables i tried only some worked with my ESP module. The real cause of the problem is still unknown..may be a bad contact with the micro usb head of the esp board.
But obviously the main cause of the problem is the USB cable itself.