I had this exact same problem happen with my BLU, so i just soldered a wire from the positive terminal in the batts to the posy of the DC in jack and the same for the negative. I just have to remember to take my batts out of the gp32 when using the ac-power, other wise it might/will go ka-boomThe FLU was however well used and it's only real fault was that it didn't work with batteries. I attempted to bypass this with some cunning soldering/wiring but did not work. Anyway it still work from power-supply.
			
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