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Model A1502 / 2.6 GHz (Turbo Boost up to 3.1 GHz) or 2.8 GHz (Turbo Boost up to 3.3 GHz) dual-core Intel Core i7 processor with 4MB shared L3 cache.

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Cursor stuck in top left corner

Hey guys,

when I start up the mac the cursor is stuck in the top left corner and won't move.

Only clicks with one finger still work.

I found out by accident, that sometimes the trackpad works just fine when the WiFi router is turned off (just a coincidence?) Then, the trackpad works very precisely and all gestures function properly, but only until the mac is put into sleep or is shut down, then it is just like before.

I assume, that this is a software problem, because when it works, it works perfectly.

For now I am using a tethered mouse.

Here is what I tried so far:

  • Reset SMC
  • Reset PRAM
  • Reinstalled el capitan several times, I always erased the SSD completely
  • set all other devices (like smartphones or other notebooks) to flight mode, since I was told that sometimes bluetooth signals might interfere in some way with the mac

The warranty period run out a few weeks ago, that's why I'd like to avoid a costly repair.

Thanks a lot in advance :)

Answer this question I have this problem too

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1 Answer

See if this update helps: MacBook Pro Retina EFI Update v1.3

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3 Comments:

unfortunately this update is not supported on my system.

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You may need to visit an Apple Store for them to apply it for you as there is a trick on getting it to update (no cost). I don't deal to much with the retina models but I've heard of issues with El Capitan and the trackpad messing up. The other possibility is a swollen battery pressing on the trackpad from the back side. That maybe covered under warranty but you do need to act fast.

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alright, thanks a lot.

Will go to an Apple store first thing tomorrow.

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Martin Schutz will be eternally grateful.
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