Getting the cover off the heatsink, dual processor

My Power Mac G5 (dual processor) recently had some internal burning/fire/smoke issues inside the big cpu/heatsink box, and all I want to do is to take this apart and see what burned, but I can't get the **** thing off! The big box with the two G5 logos on it is being very uncooperative... There are no resources online for getting this thing open. There's a plastic thing at the left end that seems like it wants to come off, and the fans at the other end are slightly mobile. Please help!

I just went through the take-apart exercise to get to my processors. When looking at the processors, on the upper right side, there is a small piece of gray plastic that looks like a tiny circle on the aluminum wall between the processors and the graphics card/PCI slot area. This is a pin that holds the cover in place. I had to destroy that tiny piece of plastic by first sliding some iPod-opening tools to get a start, then some really thin screwdrivers to pry is some more, then a little fiddling to get some wire cutters in to grasp it and pull it out. Once removed, the cover slides towards the front of the computer and out, then you'll see the 4 metal pins which hold the cover in place.
But once I got that off, the next challenge was getting to all of the screws holding the processors down. You will need a long magnetic driver and the right sized torx and hex bits. I was able to pull every screw out and surgically remove them all with chopsticks and various other tools. But even then, when I pulled at the processors, they would come up about 2-3mm, then appear to be stuck. I eventually gave up and put everything back together. I'm guessing I need a new power supply, but I'd hate to replace that and discover I need a new logic board or processors. Alas, this Mac appears to be very difficult to take apart.
My advice to you is to not bother and just wait for the new product announcements at MacWorld before purchasing a replacement. I'm hoping that the Mini and/or iMac update has external eSATA so I can attach large 1TB hard drives at full bus speeds.

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GHz Powerbook G4 Mac OS X (10.4.4)

How do I GET THE BACK OFF THE G4?

My grandaughter used the optical slot for a piggy bank. I need to get the back off the G4 to get the coins out. Anyone know what too you use?
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Dear Susan,
Many thanks for the clarification! We can work with that.
The illustrated guides for taking apart G4 iBooks are here:
http://www.ifixit.com/Device/iBook_G4
They show four different models based on processor speed but I think getting to the optical drive is about the same for all of them. Still, select the guide that matches your processor speed (available by doing "About this Mac" from your Apple menu) and, when that guide comes up, click the "optical drive" section.
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https://locate.apple.com/
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iBook forums
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Please post back if you have any more questions!
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Getting the cover off the heatsink, dual processor

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