Troubleshooting display on TiBook 1 GHz

Hi all. This is a follow-up to a post I made last Jan., '07. I broke the display on my DVI TiBook. Replaced it once and that display lit up but was also broken. Have now replaced a second time and the monitor shows dim images but no backlight. When I use an external monitor everything works great, so the logic board seems OK. I've used macdan's website for how to do it guidance thanks to links posted on this forum. My question is this: what else might be the culprit, beside connections, for the dim screen? The person I bought the second screen from assures me the LCD was working fine for him prior to shipping it to me so I am ruling out a dead backlight. What faulty parts should I consider replacing, in order from most to least likely? Thanks in advance for ideas...

Hi, sisujoel. The inverter may be the most likely culprit. It's also easier to replace than the cable that leads from it to the backlight tube, which you might have damaged during the disassembly/reassembly process. I suggest taking the inverter board out and putting it back in again, double-checking its connections as you go. If that doesn't help, replace the inverter. Admittedly, if the inverter was working OK when you put the first (defective) replacement display in, it seems unlikely that it would have gone bad since then: that's what makes me suspect you might have a loose connection or a damaged cable.

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