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

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Mouse pointer in upper left & airport wont turn on

I decided to dust out my macbook and after I got everything replaced the mouse pointer sits in the upper left corner of the screen and the airport card will not turn on.

I double checked the connections on the logic board and all seems fine.

I am able to use an external mouse, but the strange thing is the "middle" USB port will power, but not move the cursor when I plug in the mouse.

The "top (nearest the magsafe)" USB port will power and move the mouse pointer.

I've did the SMY & NVRAM resets and still the issue remains.

Is the logicboard "somewhat" fried? The macbook powers up, boots to OSX and I am able to do everything else.

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Try reconnecting the trackpad to logicboard connection found in this guide: MacBook Unibody Model A1278 Trackpad Replacement

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4 Comments:

I tried that and the problem still is present.

The pointer is in the upper left corner. The pointer does not move, but the click button works.

Also, I cannot seem to understand why the airport card would be unable to turn on. That issue coincided with this issue.

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How far did you tear the machine down while cleaning it out?

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I completely removed the logic board when cleaning.

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You may have damaged the trackpad cable. Please give us the last three figures of your serial number so I can take a look at the part.

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