Hello everyone,
The saga with my braille display problem continues happily. I hooked up my 
Optelec Alva bc 640 usb/bluetooth display to the usb and guess what? Yes, it 
didn't work either, the display was all blank. Now i'm starting to get 
seriously worried. Thing is, braille display connects allright, the storage 
devices in the braille display shows up in the finder, however the braille 
itself refuses to work, it's all blank. What could be the problem? Is it the 
usb, the computer whos power is too weak to drive usb displays?, some switch 
that i haven't enabled somewhere, although there's no switch that stupid i can 
see?, what else?
One would think that if it was the usb connections that were wrong, nothing 
would work, but apparently the usb ports work. What can be wrong?
Sorry if i sound desperate, only excuse is that i am.:-)
/Krister, utterly confused

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