Hi! I’ve got the exact same problem after recapping my M5126. Try the below methods cos it works for me.
1. make sure your logic board isn’t touching the base of the case due to slight bent. So also make sure your axial caps aren’t too big to cause the board to bend.
2. check both sides of...
If I’m not wrong the following adapter are pretty much the same voltage and connector
PowerBook 3400c
PowerBook 2400c
PowerBook Duos
iBook G3 Clamshells
Wow thanks mate! This should keep me busy for the coming weekend. If all fails are u keen to buy? Shoot me a PM. It’s recapped but just the sad Mac M5120. I’ve got another M5126 which I’ve recapped and restored working well, I’ll just keep that will do.