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Modello inizio 2011, A1278 / processore i5 2,3 GHz o i7 2,7 GHz

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CPU is running at slow speed, battery not charging after water spill

I spilled some water on my MacBook Pro Early 2011 keyboard. Water went all the way down to the logic board. I disassembled everything and dried it out. Then cleaned the logic board with some Isopropyl alcohol. I then reassembled it and found that it starts booting OSX but then get’s stuck at about 75%. Once I was able to get to the login screen, but then it froze. I was able to boot into Windows 10 and log in. I then checked CPU-Z and see that CPU is always running at its lowest speed (about 700MHz if I remember correctly, multiplier seems to be fixed to 8). Also the battery is not charging. It shows the battery is present and charged above 90%, but it’s not charging to 100%.

I tried resetting SMC but not sure that it worked. At least I have not seen the light on the magsafe connector changing colour.

So the thing seems to be working overall, but far from normal. Is there anything in particular I should check on the logic board to found the reason? Any voltages that I need to check and where?

Thanks a lot for advise

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Install this gem of an app CoconutBattery take a snapshot of the apps main window and post it here for us to see Aggiungere immagini ad una domanda make sure the charger is plugged in when you test things.

da

Battery started charging now. CPU is still very slow and fan is running fast. What else can I check?

da

Can you post the snapshot so we can see whats happening.

da

Hello, how do I make a snapshot? Thanks

da

From within your Finders menu bar go to the Help menu and then look for Take screenshots or screen recordings on Mac It will offer a full explanation on how. Make sure you're not running an app otherwise you'll see the apps help topics.

da

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1 Risposta

These boards suck a ton of juice so throttle themselves horifically on a battery below 5 or 10% cant remember which, loud fan is a sympton of a smc sensor issue or the wifi/webcam/trackpad being disconnected.

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skvortsovsn sarà eternamente grato.
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