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Hi, I bought a new Amlifi 75. Just opened the box and it seems to not work. tried 2 different PCs. both win 10 though, but I dont think that is the Issue. symptoms: - all 4 tone lights are on, BT light is on (dim though as far as I can tell). - when I press BT button it does not flash, or change like manual says. - when I plug in USB cable (tried 2 different ones that work on my printer fine) PC does not make any indication that something has been plugged in. - when I installed drivers, the software did not seem to know Amplifi was plugged in after the prompt to do so. - forums saying to start in firmware update mode, hold tone and Tap button while turning on. this doesnt seem to do anything, all tone lights are just on. - forums say to factory reset, hold master volume and tone button while booting. This seems to have no effect. - My android phone does not detect a BT device beaconing - with guitar in, no sound from AMP I have downloaded updater, but it does not detect anything. I am an IT manager and been in IT for years, had extensive experience with different devices, firmware updating etc. Anyone have any idea please? Thanks! Brian