I had that. Eventually the reader stopped working altogether. I just tossed it; never verified that it wasn't a driver problem (which was probably dumb on my part, but I had an external that worked fine.)
Scientific progress goes "Boink?"
Windows Gaming Box: AsRock Z77E-ITX / i5-3570k @ 4GHz / 16GB RAM / PNY GTX 970 / Muskin Reactor 1TB / PNY XLR8 CS2111 480GB / Silverstone SG05.
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