When you charged your reader, did you use a PSP or Sony power source with 5V AND 2AMPS for 12 hours? Some chargers are only 5V 1AMP (like the USB PC supply.
A high 2 AMP charge for a min of 12h has helped many people get heir unit back from the dead -- this worked for a problem I had.
follow this by booting up to USB/PC, reformatting the hard drive and reinstalling the latest reader firmware.
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