What is this mystery piece of magnetic metal?

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MacBook Pro 15" Core 2 Duo Models A1226 & A1260

2.2, 2.4, 2.5, or 2.6 GHz Core 2 Duo processor

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Mike @mike58109

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Postado: 11 de fev de 2010

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What is this mystery piece of magnetic metal?

I recently had to crack open my LCD to clean out some milk from between the various panels (don't ask).

At some point a small piece of metal fell out from somewhere:

http://www.mikeweller.com/images/blog/my...

That's just a dot of blue ink that you can see on it. It was magnetized slightly, but I couldn't find where it came from. I ended up stuffing it into a little groove where it obviously didn't belong.

Does anybody know what this is?

PS:

Is it possible to inline images with the wiki syntax?

EDIT:

I just posted a blog entry with the details of my milk-spill adventure:

http://blog.mikeweller.com/2010/02/how-t...

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you can post pictures right on your question by selecting the TV looking icon to the far right on your options pane.

11 de fev de 2010 por Majesty

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Majesty @majesty68214

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Postado: 11 de fev de 2010

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That magnetic piece might be the one that triggers the sleep mechanism when u close your display. Try putting your machine to sleep by closing the display, and see what happens. There are a few of those lined up around the display assembly in the MacBook, not sure of the Pro.

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Is this the magnet?

http://www.weloveMacs.com/9227930.html

11 de fev de 2010 por mayer

It looks pretty similar. I just tested sleep and it works, so maybe I did actually put it back in the correct location...

11 de fev de 2010 por Mike

oh ok, so you're good to go.

11 de fev de 2010 por Majesty

just for future reference (tags also added to this post), the magnet activates what's called a reed switch to control sleep mode. In the case of this MBP the magnet is in the display bezel and the reed switch is in the opposing location in the main body of the computer. Some other model laptops have these components reversed i.e. reed switch in bezel, magnet in main body.

11 de fev de 2010 por bac

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you can post pictures right on your question by selecting the TV looking icon to the far right on your options pane. — Majesty
It looks pretty similar. I just tested sleep and it works, so maybe I did actually put it back in the correct location... — Mike
just for future reference (tags also added to this post), the magnet activates what's called a reed switch to control sleep mode. In the case of this MBP the magnet is in the display bezel and the reed switch is in the opposing location in the main body of the computer. Some other model laptops have these components reversed i.e. reed switch in bezel, magnet in main body. — bac