External monitor doesn't work.

hello, please look into my situation.
i finally got the apple mini-dvi to dvi convertor, got a generic dvd-to-vga convertor and after removing 4 wires from it for which there is no space in the apple dvi output, i hooked up the sony sdm-hs75 display and it shows nothing. its power light is off. but the powerbook detects it!
yes i know i should try with a proper dvi display but i don't have one, and i already spent more than enough on the mini-dvi convertor.
any ideas would be welcome.

Those four wires you removed, I believe, are necessary for the connector to work. The apple connector does not have a place for these because it does not support connecting to a DVI-Video adaptor through the mini DVI to DVI adaptor. You need to buy the apple mini DVI-Video adaptor if you want to do this.
http://store.apple.com/1-800-MY-APPLE/WebObjects/AppleStore.woa/70104/wo/qi4kTBD 1VyQt2rzt3C1lGtqF4RV/1.SLID?mco=75A42EE8&nplm=M9319G%2FA
It's only $20, but I was not able to find it anywhere except on the on-line Apple Store. Don't mix it up with the mini VGA to Video adaptor that works with all but the most recent 12" Powerbook.
I think you've ruined your generic adaptor, unless you have some way of attaching a replacement connector.

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