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Hi, We have a Jester 1224. The software version is 2.1 and I suspect the hardware version is R1. Since the Jester is already more than 5 years old, there is no garantuee anymore. Problem 1 (main problem): The USB port doesn't seem to work, so updating the software is not possible. When I plug in an USB light it doesn't light up (the light does work on a PC, so that isn't broken). And plugging in a USB stick does not light up the light on the stick either. What I like to do is to update the software, but also the hardware. Is this usefull, and more importantly cost effective? Because if the costs of updating the hardware is to high I wouldn't do it. In other words, how much would it usually cost to upgrade the hardware? And is this something I can do myself (installing a new PCB) or is this all done in the factory? Problem 2: Also, one of the upper channel faders seem to behave a bit strange. After a while, when you have faded one of the channels to zero or to max, the lights on stage flicker a very small bit; it's like they do not stay at the full 100% or 0%. But, I need to investigate this a bit more; I only noticed it during a play and didn't had the time yet to further check it out. (though there is no error when doing the self tests) I suspect a bad fader?