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13" aluminum unibody, 2.0 or 2.4 GHz Core 2 Duo processor.

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Is it possible to move the "Reed Switch"?

I have a macbook unibody and recently replaced the display assembly (thank you iFixit!) and all works well, except that the computer doesn't go to sleep when i close it. I did a little snooping and checked -- the position of the magnet that controls the switch on the display is on the edge, and the magnet on the actual computer seems to be in a different position, on the right (as you open the mac) and a bit away from the edge.

Now, if I have identified the position correctly -- no guarantee -- all I need to do is move the little magnet over an inch. But I am not sure if that is in fact possible, and I haven't found a good picture anyplace of what it looks like. So if anyone can point me to a guide on the site (or another site) that will show me where it is that would be great. And if you can tell me if I am just SOL or not. It's not a big deal, I can put the computer to sleep and close the lid. But it would be nice to fix.

Anyhow, that's the deal. Any help is appreciated.

Risposto! Visualizza la risposta Anch'io ho questo problema

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Well, I ordered what I thought was the right part (it's the entire lid assembly I replaced. I know the odds were the problem was either the cable or the LCD but I ordered the whole thing just because it was easier to do and diagnosing which part it was would result in the same "surgery"). [/br]

Anyhoo, you are correct: on closer inspection my lid is a different part number -- it say "Macbook Pro" across the front, though I was pretty sure I ID'd the right model and such (shows what happens when you buy on eBay).

But, hey, the lid assembly / screen otherwise works really well, so I thought that maybe Apple in later versions of the lid assembly had the same / similar part number and was using it on all unibody macs, just changing the logo on the front. Be aware my mac is 5 years old, so I figured later models of the same machine likely had the reed switch moved.

So, I will take a look. If I can move the thing over a bit (the one in the bod of the computer) well and good. If not, c'est la vie.

da

On a mid 2009 MBP the reed sensor is combined with the battery tester. A thin ribbon cable can be seen on this rectangular piece that hugs the left front side of the MBP. The ribbon cable plugs into the logic board just to the right of the battery connection when looking at the the MBP with the back lid removed and the battery towards you.

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Did you replace the entire lid assembly or did you replace the LCD alone here? Its' possible the magnet slipped out of position if you replace just the LCD. If you replaced the entire lid assembly then you may have gotten the wrong part (double check your P/N's).

The magnet sensor is part of the IR sensor unit just in front of the HD. You can see the black cable hugging the case just under the HD in this picture sensor cable and in this one you can see the sensor block sensor

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BTW in in the pics I can't ID the sensor itself. You say you can see it but I have no idea in the second pic which object it is, can you circle it or something?

da

Well, I ordered what I thought was the right part (it's the entire lid assembly I replaced. I know the odds were the problem was either the cable or the LCD but I ordered the whole thing just because it was easier to do and diagnosing which part it was would result in the same "surgery"). </br>

<p>Anyhoo, you are correct: on closer inspection my lid is a different part number -- it say "Macbook Pro" across the front, though I was pretty sure I ID'd the right model and such (shows what happens when you buy on eBay). But, hey, the lid assembly / screen otherwise works really well, so I thought that maybe Apple in later versions of the lid assembly had the same / similar part number and was using it on all unibody macs, just changing the logo on the front. Be aware my mac is 5 years old, so I figured later models of the same machine likely had the reed switch moved. So, I will take a look. If I can move the thing over a bit (the one in the bod of the computer) well and good. If not, c'est la vie.

da

There's just the black plastic block the cable connects to.

da

m. I am stil not clear. Are the magnets the silver things I can see (in the first pic) below the hard drive? And in the second pic they are on the lower left? Please be more specific. THe black plastic block, is it the long rectangular thing that is dangling on the edge of the cable? I thought that was the hard drive connector...

da

No, its the piece mounted to the case's inside face front. It's part of the IR sensor (slot window on front edge). The upper part is the magnet sensor (here in the picture its against the case top - the keyboard side). Sorry to say its not very visible. The first picture showed the two cables the one flush inside the case is the cable the sensor is connected to, the other is the HD SATA cable.

da

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jemspak sarà eternamente grato.
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