My laptop has two USB C ports. You can charge it through one of them but not the other one. My other laptop has one USB C port. You can't charge it through that

My laptop has two USB C ports. You can charge it through one of them but not the other one. My other laptop has one USB C port. You can't charge it through that one. I have a USB cable for my old phone. You can only charge it slowly through that cable. USB C is about as useful as an IDC10.