Hog III USB Mini Wing Issues

Hi,
Am having issues with an old but faithful USB mini wing.
No USB connection or power indicators coming on at any point.
Console no longer see's the wing.
So far I have
-Changed the USB port on the console
-Changed the USB cable
-Tried another Console
-Tried the wing on Hog PC
-Opened the wing and re-seated the ribbon connectors
-Tried another power-supply and tried it without a power supply.

Is there a fuse on the wing board somewhere or anything else simple I could fault find?
Thanks C
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