![]() If the OS is fully corrupted, is easy to fix 1.1 OPERATING SYSTEM FULLY CORRUPTED But due to some un-known reasons as mentioned above, the OS might be corrupted. Normally, when you connect it to USB, the Operating system will be executed and communicate with PICkit 2 Programmer GUI and load hex code into your PIC. There are 2 parts of firmware in UIC00B, the USB bootloader and the Operating System. ![]() Now this article is not about how to duplicate the firmware corruption, this is about how to save your UIC00B from being scraped. But there is firmware corrupted happen outside. we cannot be sure, trying to duplicate the firmware corruption is not successful here. Our guess would might because of bad/un-reliable USB connection during previous use, disconnected of UIC00B half-way it is downloading program or verifying code……. We are not sure why firmware on UIC00B can be corrupted. ![]() All these symptoms might be due to firmware corrupted. Or in some cases, when UIC00B is plug into USB, PICkit 2 cannot be open, or your computer show Unrecognized USB Device. Opening PICkit 2 programmer software result in no response. Some of UIC00B user have asked about the Red LED blinking on UIC00B when the USB is connected and powered. Low cost, USB plug and play, Fast, support many PIC microcontroller, Programmer
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