Laptop USB Port Repaired
The laptop of this story is an IBM ThinkPad Model No.:R40 Type 2722. The complaint was one of the USB ports was loose and therefore a false-contact with any USB device connected was always present.
The device was disassembled step by step (note that disassemble a laptop is a process very tedious and delicate).
Finally I got the USB port.
The four contacts of the USB port were re-soldered and the external metal case as well.
Note: the other USB port of this laptop was re-soldered to in the PCB (4 points).
When the laptop was fully assembled and turned on, I connected to the USB ports my SAMSUNG Digital Camera and a LEXAR Pen Drive, and look what happened then.
Wow! The USB ports worked perfectly. Mission accomplished
This article was prepared for you by Humberto Rodriguez, one of our ‘Master Authors’ from Cuba.
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