PowerBook 15" 1.67GHz won't turn on (please read for info)

Hello,
Today I tried to replace my Harddrive from 100GB to a 250GB,
I found a tutorial on ifixit.com and followed there instructions to take apart my powerbook, anyway while I was taking apart my computer I accidentally stripped the screw that holds the HD bracket in place so I was unable to replace the HD I put the computer back together with original HD in place and tried to boot up computer it booted but showed me a finder folder with a question mark what usally means that HD is not found and so I thought that I didn't properly connect the HD to motherboard so I reopened my powerbook and made sure that the connection was ok when I tried to boot up the computer after putting it together a second time it would not turn on, I washed my hands to make sure that there was no static eletricity, when I plug in the AC adapter it won't show light unless I move the adapter around abit then it shows orange light before I didnt even have to move the ac adapter it would turn on after I plug it in, I tried PMU and tried resetting PRAM and nothing any idea"s ?
Thanks,
Phil

Yes that could be a reason but that would not explain why my power adapter would not show any color at all when pluged into my computer
it only shows color when I adjust the adpter to touch the outer ring of socket on powerbook which usally means that battery is only charging and not powering on computer
I will let apple technition look at it but for the mean while can anyone else give some more ideas as to what the problem could be ?
thanks,
phil

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