Yesterday my Macbook Pro Mid-2012 stopped charging. I've experienced this problem with previous Macbooks and previous chargers. I did the smc reset last night, and it left me with the battery being “unavailable” and the fans running way too fast. The LED on the MagSafe did not changes the color, it stays green, is the SMC then reset or Not.
If the battery is nonremovable. However, when booted it said "No battery connected" and the fans remain on high power constantly (i.e. Before resetting your Mac’s SMC, you need to determine whether its battery is removable. Resetting SMC on MacBook, MacBook Pro, and MacBook Air Same result, no light on the adapter. It seemed to work, fans were running normally and the battery life was showing. So I worked out that if I SMC reset, the Macbook will then proceed to boot. Plus, there are some differences for Mac desktop computers. Reset SMC to fix battery and other hardware problems.
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Anyway, the Macbook still wouldn't turn on (and the MagSafe indicator remains green - never orange). How to reset SMC . How to Reset SMC on MacBook Pro, Mac Air & iMac A Macintosh shouldn’t typically cause hardware related troubles, especially if it’s new and the hardware has never been altered with.
But in any case it does, and you have tried solutions like resetting the PRAM , then you might give another shot at DIY troubleshooting by resetting the System Management Controller (SMC) on a Macintosh computer. That’s because the process of resetting SMC for Macs that have a non-removable battery is quite different. I left my MacBook Pro overnight and then did the same thing this morning. I thought maybe the battery was completely discharged. Today, I bought a new charger however it is still not charging. I have a "MacBook Pro (13-inch, Mid 2012)", which has had coffee spilled over its keyboard and air-vent. I tried several time to do a clean install with an USB with El Capitan on my Macbook Pro mid 2009, but the install can't finish. Plug in the MagSafe or USB-C power adapter to a … So, I plugged it in but there was no light on the magsafe power adapter.
Shut down the Mac. MacBook Pro (Retina, 15-inch, Mid 2012) MacBook Pro (17-inch Early 2011) MacBook Pro (17-inch Late 2011) MacBook Pro (Retina, 15 inch, Early 2013) After hours and hours of research and calls with Apple, I actually found two quick fixes that might even do the trick for you.
Reset the System Management Controller (SMC) on your Mac - Apple Support. As soon as that happened, I shut it down, opened it up and unplugged the battery. I have a MacBook Pro Mid 2012 model. Took it all to pieces as much as possible, dabbed up all the liquid I could see, then left the machine in pieces and all components inside a sealed bag with a load of rice for about 72 hours. About 5 minutes into being started, my MacBook froze and shut down. I'm not really sure where to go from here. I try to reset the System Management Controller on my 15" Macbook Pro mid 2014. 1.
I switched adapters, thinking that the adapter had gone bad. the kind of stuff an SMC reset is supposed to fix). Then today nothing. It was working fine last night. Normally the issue was resolved by replacing the charger.