[Lady Fitzgerald]

My Mentor has locked up for the second time. When I started it yesterday afternoon, it got as far as the screen that displays the eight grayscale bars across the screen, then sat there and just laughed at me. The last time that happened, I placed on the charger overnight and and the problem cleared up so I placed it on the charger yesterday afternoon and let it charge overnight. It was still locked. I tried pressing the reset button on the back several times and, each time, the screen would go blank then return to the gray bars, laughing maniacally the entire time. I then tried removing the battery for a couple of minutes (losing the stupid little screw, of course) then replacing it (it had 4+ volts on it, btw). That got the misbegotten thing to turn off. I restarted it, it went directly to the gray bars and that horrible laughter started again. It's setting on the charger now and I'm at a loss for what to do. Any ideas (short of something satisfyingly destructive)? BTW, the battery meter was a full the last time I used it.