System Fault or USB port hardware problem?
I recently purchased two used A100's for a steal. One of them is recognized by my computer and I was able to root it just fine, but the other isn't recognized by my computer. It doesn't even show up in device manager. I thought the usb port on the tablet may have come unsoldered, but after taking the device apart and inspecting the port nothing seems to be physically wrong with it (at least from what I can see).
I have tried several different usb cables, different computer ports, I tried flashing the stock ICS zip posted by Romman0, factory reset a few times, toggled usb debugging on and off, changing usb mode from mtp to ptp and back, I even tried to get an adb boot logcat but it just sat there waiting for device.
My question is, does this sound like a hardware fault?
Is there something else I can try to obtain root? Everything else seems to work great, but I really want to root this thing.
Any help is appreciated.