I've just recently acquired a GP32 BLU unit that I was able to find complete and when I put in batteries and turn it on the red power light comes on and nothing else, no backlight or sound. The same thing happens when I use a power supply. Is there any way to fix this system? I just got a smart media card reader and it won't recognize the card I put in. I was able to test this card in a working gp32 using the machine's self test and it told me the size of the card, the used, and the free memory on the card so I don't think the card is broken. I use win 7 64 bit and it's an external dual card reader that I'm using. Can anyone please tell me how to solve this issue?