Quote:
Originally Posted by theTastyCat
...Maybe the USB ports are underpowered...
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Or maybe just not able to deliver full power, due to (1) terminal surface degradation or oxygenation, (2) bad connection at the point where the wire from motherboard delivers power/data to the PC's USB socket, (3) physical damage within PC's USB socket,...
Take a close look at the dubious socket, using a magnifying lens and real good bright lighting. Use a small soft bristle brush to remove dust and lint. Try to polish the terminal surfaces with a clean dry cloth.