Display turns off at viewing angle greater than 90 degrees

I have had an issue with my display that has been getting worse lately. When I tilt the display greater than 90 degrees the backlight seems to completely turn off.
An easy work around is to raise the whole machine and use my apple keyboard; but I need to get it fixed as I plan on selling it and no one wants to buy a 17" with a display that's crapping out.
I have done some reading here on the forums, and have got it down two things, either the inverter
http://discussions.apple.com/thread.jspa?threadID=615165&tstart=30
or the display cable
http://discussions.apple.com/thread.jspa?messageID=4452376&#4452376
Could someone please offer some light to solving this issue as I am out of warranty and being a poor student I dont have much money to get it fixed.
Thanks.

Maybe it is a loose cable or connector of the backlight that is responsible for the problem.
You may search through the DIY guides of http://www.ifixit.com - maybe there is only describing closer how to take a look into the screen. But confessed, I don't think so, since the LCD display is one fixed unit not intended to be opened, just replaced as a whole (not very the "green Apple way").
I searched the Internet a bit (you may do the same more carefully) and found the following guides for LCD backlight replacement:
http://inventgeek.com/Projects/shorts/lcdfix.aspx
http://laptops.home.att.net/lcd-repair.htm

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