I had probably similar problem on my PRS 505 when USB ports on my laptop failed. PRS 505 got stuck on startup and nothing helped (reset, charging etc).
It seems that internal memory file system was corrupted (PC did not detect corruption though).
I had to connect PRS 505 to another computer and re-format both internal memory and SD card (using PC). After this device started up successfully and I was able to recover contents. Never will use USB on my laptop again...
Your problem may be the same or not of course...
Last edited by tkutergin; 03-01-2010 at 12:43 AM.
Reason: Clarification
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