Hi dave45,
i don't think that disconnecting the battery wil change things, but if you are opening the case, check out the service-manual and take extra care with the keyboard-ribbon-cable, it tends to crack.
For me, startup and immediate plug in the USB cord, got the device recognised, so that the firmware could be flashed. (Had to do it quite often while starting developing for PRS+)
Good luck.
Last edited by Mark Nord; 09-28-2012 at 02:06 PM.
Reason: typo
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