Introduction
If your laptop is having trouble with identifying external USB devices, you may have to replace the port. After ensuring that it is not a software issue, you can use these steps to remove the USB port board.
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Place the laptop with the bottom side facing up. Have the front (where the touchpad is) facing toward you.
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Start by removing the ten 7mm screws on the bottom of the laptop using a JIS #00 screwdriver.
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Double-check to make sure all of the screws are removed.
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If you have a Jimmy or other flat, straight-edge object, slide it in the crack where the halves of the case meet.
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When the parts are separated, pull them apart to expose the insides of the case.
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Conclusion
To reassemble your device, follow these instructions in reverse order.
