Can you use the already recorded flash cards in any Br-900 CD if that's the actual brand you used to record with?

SOURCE: the boss br-8 multitrack recorder. would somebody

The possibilities are almost endless. It's going to have to go to a qualified repair shop.

SOURCE: Hi There. I am having

I assume you have tried formatting the card in the BR900... sometimes formatting in the PC's doesn't work. read at this web page:

http://launch.groups.yahoo.com/group/BossBr/message/1905

SOURCE: Boss br 900cd! pls help

If it does not power up, it is likely going to be a faulty or severly dirty switch contact or a failed capacitor in the power supply. A shot of contact cleaner is usually enough to rectify the first issue, The second issue you need to locate the part at fault and replace it.