intermittent backlight

Uncle_Fester · **Posted:** Sat Aug 07, 2004 8:09 am

The backlight on my friend's powerbook is intermittent. Sometimes it works, sometimes it dosen't. It sound like some connection problem to me. What can I do to repair it?

maz · **Joined:** Sat Nov 01, 2003 9:14 am **Posts:** 56

ugh... you're not going to like this but this is a common problem with these iBooks. The only sure fire way to fix is to replace the entire logic board which is not cheap. Your best bet is to send it in to powerbookmedic (or at least email them to see what they say about it) or find a logic board on eBay and do it yourself with a take apart manual. It's not impossible, but it's not fun either!

Unfortunately, this issue is not covered under Apple's logic board replacment program, but it's worth a look to see if you have any of the other issues listed here:
http://www.apple.com/support/ibook/faq/

powerbookmedic · **Joined:** Mon Feb 24, 2003 1:58 am **Posts:** 940

There is a good chance it could be the logic board, but more common is the inverter cable with reed switch goes bad. Usually, if your backlight goes out when you move the display this is an inverter cable issue. The part you need can be ordered from the link below:

http://www.powerbookmedic.com/xcart1/cu ... t=0&page=1

-Bradley
PowerbookMedic

intermittent backlight

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