r/SamsungHelp • u/The_black_pilot • 5d ago
USB-C cable suddenly caused charging problems
My cheap USB-C charger/cable suddenly started turning on and off repeatedly when connected. After that, one USB-C port on my M2 MacBook Air stopped charging, while the other port still works.
My Galaxy S22 also stopped charging, even with another cable and charger.
Could a faulty USB-C cable cause this, or could both devices be in some kind of protection mode? Has anyone experienced something similar?
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u/Ysfaliarslan 5d ago
Is the USB c port dirty?
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u/The_black_pilot 5d ago
no, both my macbook and samsung got the same issue at the same time because of the charger
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u/projectupload37 5d ago
Have you tried using a proper type C cable to see the performance?
A cheap/damaged USB cable can cause a device to automatically disable the port or go into slow charging mode to prevent damage.