Installing PowerBook G4 Aluminum 12" 1-1.5 GHz Logic Board

What can I say?

It is certainly do able. I just completed it. Took me 2 hours. The most important tool you'll need is patience - bag full of patience!!

[quote|Gopal]What can I say? It is certainly do able. I just completed it. Took me 2 hours. The most important tool you'll need is patience - bag full of patience!![/quote]

What is an EMI Finger???

[quote|zdavatz]What is an EMI Finger???[/quote]

Quote from zdavatz:

What is an EMI Finger???

yeah, good question. I just blew that off - everything else worked just fine - thanks to ifixit for such a great step-by-step!

[quote|springboard]yeah, good question. I just blew that off - everything else worked just fine - thanks to ifixit for such a great step-by-step![/quote]

Quote from zdavatz:

What is an EMI Finger???

That black screw needs to come out because it goes all the way through the computer into the back of the keyboard. However, I didn't see any EMI finger, unless that's the purpose of the metal directly underneath it. EMI fingers are those little tin foil like things you'll see along the ports inside the computer. They provide shielding from what I presume stand for electro-magnetic interference.

[quote|aratuk]That black screw needs to come out because it goes all the way through the computer into the back of the keyboard. However, I didn't see any EMI finger, unless that's the purpose of the metal directly underneath it. EMI fingers are those little tin foil like things you'll see along the ports inside the computer. They provide shielding from what I presume stand for electro-magnetic interference.[/quote]

Quote from zdavatz:

What is an EMI Finger???

I think the EMI Finger is probably the silver clip that is under the head of the black screw that step 3 tells us to remove.

[quote|Kredanta]I think the EMI Finger is probably the silver clip that is under the head of the black screw that step 3 tells us to remove.[/quote]

EMI stands for electro-magnetic inteference. An EMI finger is a piece of metal that connects two pieces of a metal case together, preventing EMI ("radio waves") from passing in or out. In this case, yes it is the "clip".

[quote|jerrykrinock]EMI stands for electro-magnetic inteference. An EMI finger is a piece of metal that connects two pieces of a metal case together, preventing EMI ("radio waves") from passing in or out. In this case, yes it is the "clip".[/quote]

The black phillips screw is completely stuck on my compulter, and in my frustration, I managed to stripp the screw.. Noe I am concidering drilling it out, this will most likely destroy both the screw and the "EMI finger". Is this a problem? I guess the screw is no problem, but the EMI finger? Or anybody have any ideas to what I could do, I wanted to change my harddrive.. Thanks!

[quote|powerbookg4hdd]The black phillips screw is completely stuck on my compulter, and in my frustration, I managed to stripp the screw.. Noe I am concidering drilling it out, this will most likely destroy both the screw and the "EMI finger". Is this a problem? I guess the screw is no problem, but the EMI finger? Or anybody have any ideas to what I could do, I wanted to change my harddrive.. Thanks![/quote]

Dear powerbookg4hdd. This is a very long screw and you could not drill it out. First, try to turn it with needle-nose pliers. If that is too difficult, use a larger drill bit and try to drill the head completely off instead. You're in a very difficult situation. Of course, remove the RAM card to give yourself some working space.

[quote|jerrykrinock]Dear powerbookg4hdd. This is a very long screw and you could not drill it out. First, try to turn it with needle-nose pliers. If that is too difficult, use a larger drill bit and try to drill the head completely off instead. You're in a very difficult situation. Of course, remove the RAM card to give yourself some working space.[/quote]

Dear jerrkrinock! Thank you for your quick reply. Taking your recommendation, I did not try to drill it out, and after considering several approaches, I used a cutter and changed the "star" screw into a "straight" one. This was successful, and I was able to change the drive. I did not find anything that could be an EMI finger, though.. Anyways, thanks ifixit.som for great guides!

[quote|powerbookg4hdd]Dear jerrkrinock! Thank you for your quick reply. Taking your recommendation, I did not try to drill it out, and after considering several approaches, I used a cutter and changed the "star" screw into a "straight" one. This was successful, and I was able to change the drive. I did not find anything that could be an EMI finger, though.. Anyways, thanks ifixit.som for great guides![/quote]

I believe the clip is referring to the ribbon of grounding material that the plate sits on. You need to move it over to take the long screw out without tearing it. And then you need to lift it and hold it out of the way when you replace the the long screw to avoid pinching it under the head of the screw. TR

[quote|tredding]I believe the clip is referring to the ribbon of grounding material that the plate sits on. You need to move it over to take the long screw out without tearing it. And then you need to lift it and hold it out of the way when you replace the the long screw to avoid pinching it under the head of the screw. TR[/quote]

powerbookg4hdd: or anyone else -- i'm in a similar situation. what kind of cutter did you use to re-notch the screw? or is there another way to get this screw out if it is stripped?

[quote|afb]powerbookg4hdd: or anyone else -- i'm in a similar situation. what kind of cutter did you use to re-notch the screw? or is there another way to get this screw out if it is stripped?[/quote]

To be clear on this step you don't need to remove the long black screw (in fact it doesn't appear possible to remove it completely) just make sure it's been unscrewed as much as possible and then leave alone

[quote|mancunianlad]To be clear on this step you don't need to remove the long black screw (in fact it doesn't appear possible to remove it completely) just make sure it's been unscrewed as much as possible and then leave alone[/quote]