Model A1286. Released February 2011 / 2.0, 2.2, or 2.3 GHz Quad-core Intel Core i7 Processor

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Won't reboot and got error code 4SNS/1/C0000008: Ts0P--124

MacBook Pro 8 2 2011

I was working on my quickbooks when my screen went completely red.

I manually turned off my computer and turned it back on. The working line was red and never loaded.

I shut it down again and ran an error test. I got this error code: 4SNS/1/C0000008: Ts0P--124

So I manually shut down again and tried to start it in safe mode. It acted like it would reboot but then went to a white screen. My computer will not get past the login screen. What do I need to do?

Answered! View the answer I have this problem too

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2 Answers

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First you have a bad thermal sensor which is what the error is: TsOP = Palmrest Proximity sensor.

Often when I see this the system has gotten something spilled into the keyboard and/or trackpad which has corroded the connections. The sensor is part of the Trackpad assembly. Here is the IFIXIT guide: MacBook Pro 15" Unibody Early 2011 Trackpad Replacement.

You should also make a full inspection of the system for any other corrosion damage and also clean out any dust in the fan's and fins.

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I had this error. Put "defective"trackpad into a new machine. Error gone. Searched the web and people said the webcam cable could also be to blame. Disconnected webcam cable. All issues stopped.

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