Lost Ti PB Backlighting after CD/DVD replacement

in Genius Bar edited January 2014

I just replaced my CD-ROM/DVD-ROM in my 500 MHz Ti PB and after restarting, my LCD backlighting is not working. I can faintly see the images on the screen, but the backlighting is off. I've opened it up and looked for connections that I may have dislodged during the drive replacement process, but nothing jumps out at me. Everything else, including the CD/DVD drive, is working fine.

Any ideas what might be going on? Anyone out there familiar enough with the 500 MHz Ti powerbook that you might be able to suggest what might have become dislodged?

Thanks in advance.
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