![]() Below are some steps to address the various potential problems affecting your USB connectivity.įirst things first, try doing a "soft reset" of your MacBook. Sometimes it can be attributed to a physical issue with the port being loose or other times it could be an electronic component failure. Lastly, the least likely but certainly possible cause of USB connectivity issues is a failing or failed port. Other additional common issue causing the USB ports to stop working are corruption of the PRAM/NvRAM or in some cases incorrectly set system permissions. Another reason the USB port can stop working is If an attached device pulls too much current through the USB port, the the SMC (System Management Controller) can shut the port down and limits it's functionality. Make sure you unplug all devices other that mouse and keyboard before starting. Some of the potential problems include driver issues, or sometimes conflicting USB devices can interfere with other connected USB devices so always remove all potential sources of problems and start with the bare minimum. There are several possible reasons your USB ports might be acting up, not recognizing attached devices or not working consistently. ![]()
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February 2023
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