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Problem with USB port on Acer Aspire 4935 laptop

By jesseyleee47 ·
Try going to acer's support site and updating the chipset for your particular model. Refreshing the chipset can help to kick start the usb controllers. If that doesn't work, it is probably something hardware related, i.e. the controllers on the motherboard are damaged due to heat or something.

Try visiting these links:

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