Physically inspecting your USB port can reveal a lot. Shine a bright light into the port and look for bent pins, debris, or discoloration. Any visible damage, especially pins pushed inward or out of alignment, usually means the port needs to be repaired. A port that feels unusually loose or wobbly when you plug something in is another common symptom of wear, especially on laptops, where ports experience more frequent stress. Charging issues are also a major clue. If your phone, mouse, or...
