![]() Although by now any bugs related to USB functionality that Big Sur may have had, have probably been taken care of, it’s still possible that Big Sur is what’s causing you problems with your USB ports if you haven’t installed its latest update (more on that below)įinding out the cause of the problem and fixing it is done simultaneously in this case, which is why below you will find several potential solutions to this issue. ![]() Right after macOS Big Sur was released last year, a big number of users also reported USB problems that weren’t there before they updated to Big Sur. However, there are several other potential causes of this problem – those can be related to outdated software, power deficiency, faulty external devices, and more. Wear and tear could be one of the possible reasons why one or more of your MacBook’s USB ports aren’t working. ![]() This, in turn, tends to result in the quicker wear and tear of the USB ports, which can potentially lead to malfunction of the ports. Worn-out USB ports on MacBooks that are starting to fail is especially common among users who own a lower-end MacBook Pro variant or a MacBook Air, since those MacBooks come equipped with only two 2 USB Type C ports, and this oftentimes necessitates that the user frequently plugs and unplugs different USB devices because no more than two can be connected to the MacBook at once (unless a USB hub is used). The “ Mac USB not working” problem can also be caused by wear-out of the ports caused by frequent use. This is a somewhat common problem on Macs and Macbooks that is often caused by missing updates or insufficient power. Take your MacBook to a nearby Apple Service Center. ![]() Note: Using USB port with external hard drive. ![]()
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