HP Pavilion dv4t 14.1-Inch Widescreen Laptop.

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USB ports needs replacing

Laptop fell down and broke the USB ports internally (thanks to a Nano-plug). I tried to glue the broken pieces back together, but ports now only work intermittently.

Without taking the laptop further apart to assess the problem, does anyone know whether it is possible to replace these ports, and if so, where to buy parts.

Regards,

Thor.-

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A USB port is probably the easiest fix you'll find on a personal computer. The USB port has 5 pins as seen in the diagram below.

http://www.google.com.au/imgres?imgurl=h...

If the port works sometimes then there is simply a loose connection inside the case. With a desktop PC the colors will match the diagram. However as a laptop has to sacrifice a lot to get to such a small size these colors are likely missing. If you have a multimeter (set to ~5vDC) then you can test which pins are which. The red lead will be about 5V, black lead should be 0V, and the green and white leads should be about +/- 3v

Connect the black lead to a ground or even to the outer rectangular case of the USB port as this is also ground and use the red lead to test each pin. Be careful to avoid crossing wires as this will make your problem worse. If you have a known working USB port then test that one. They will all follow the same standard.

The next part will be to open the case again and check the connections. If the actual port is too far gone that a small dap of super glue wont fix it then you may want to buy a female USB cable and. You will need to remove the old USB port, strip the new wire so that only the casing and a small amount of wire is left. Solder this wire in the same order the original wire was mounted. Test the port. If it works, use a small amount of super glue around the edges of the port inside the case.

If all goes well you'll have your USB port back and running in an afternoon.

Good luck:

Patrick Busby

Certificate III: General Information Technology

2nd year Electrical Engineering student

Local repair business; fixing PC's for 8 years

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Comments:

Seems difficult to put the female end of a USB cable inside the laptop case. Especially the thin ones being manufactured today. It is about 7 years later, and I would not accept this as an answer to this problem. I would however, like to find the original port to my HP laptop, and replace the port entirely. However, finding the correct USB port seems to be the trouble.

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Thor will be eternally grateful.
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