The Mini USB port is not something that takes to twisting and adjusting well. Depending on your technical ability, try to re-adjust the strike pins. You will need to make sure they are contacting the input jack pins. They basically slide into the contacts. Look at a larger version of the USB jack and see if you feel you can make the change. Your only other option is as stated in the above post is to re-solder a new jack on. This may be something you may not want to do without all the required tools including a microscope.
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