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Released October 2008 / 2.4, 2.53, 2.66, 2.8 or 2.93 GHz Core 2 Duo Processor

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battery not charging and fan speed inconsistency

Hey, I have a A1286 mbp 5,1 2.4 ghz.

My problems are:

Fan speed is completely inconsistent(regardless of the temp between 35-50 degrees). From the the moment I turn it on the fans will spin really fast and loud then slow down every few seconds. Smcfancontrol will get the fan to stay spinning at 6000 rpm but it cannot slow down the fans.

The battery is not charging. This is the tricky part. The magsafe color has done everything from solid green to red to faint green to blinking red and green. Battery just dies. I am using the older charger but it is still 85 watts so that should be fine.

What I've tried:

I replaced the battery with a new third party one, no dice. It came charged and worked well. I will run coconut battery but I think it's good.

Pram resst

Smc reset, both ways. By removing the battery and the non removable battery method. Nothing.

I checked the efi and smc and they are both current.

Outside of these issues the macbook runs well.

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1 Solução

Resposta Mais Útil

Run AHT and see what it says. I suspect you have a bad sensor.

If this answer is acceptable please remember to return and mark it.

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Would this be the cause of my battery issues as well?


I wouldn't think so. Has the machine suffered a liquid spill or was it dropped?


It was actually dropped once! Could that be it?

I am not able to run AHT. I tried command+D and option+D and just D.... and it will not launch. Any ideas? I'm currently running Mavericks


Disconnect all external devices speakers. If you have an Ethernet cable or external DVD drive, disconnect it.

Restart your Mac, holding down the D key while the Mac restarts. Mavericks has lots of issues though AFAIK charging problems has not been one of them. Have you replaced the DC-in Board? This system can the current version of OS X 10.9.x "Mavericks," although it does not support the AirDrop, AirPlay Mirroring, or Power Nap features, and of course any old power PC apps wont run either..


Thanks for your help, I still am having trouble entering AHT. I'm not sure why it's not working but I found an article that allows you to launch AHT from an USB drive, so I will try that.

I have not replaced the DC-In board.

I'm thinking of just replacing the DC-Inboard, Battery cable, and Heatsink(and heat sensor). Hopefully that would fix all my problems, I'm weighing my options because I could just sell the machine AS-IS, but I really want to keep this computer if it's repairable.


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