Questions tagged [magsafe]

Apple's trademark for magnetically-coupled external power adapters that provide power and charge the batteries in portable Macintosh computers including the MacBook, MacBook Pro, and MacBook Air

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45 views

Does MagSafe enable the use of existing tripods?

There already exists a worldwide standard for connecting tripods—1/4-20 UNC screw—to cameras (the hole you see at the bottom of any camera made in the last few decades). This is a silly little ...
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New 61W USB-C Apple power adapter to old Magsafe2 45W Mid- Apple Mac Air 2012 [duplicate]

Any issues with getting a new 61W USB-C Apple power adapter, buying a Magsafe 2 to USB-C cable and using it with my old Mac Air Mid-2012? I am sick of the old 45W adapter breaking all the time, the ...
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172 views

MacBook Air 2015 MagSafe charger is too hot to touch

In the last couple of weeks, I've noticed my charger connector (the part which connects to Mac) is too hot to touch and also there are some pins a bit burnt (it is happening slowly but getting visibly ...
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54 views

MacBook Air won't turn on without charger plugged in for a while

I charged my Air overnight and when I tried to turn it on in the morning it didn’t boot. I tried plugging in the Magsafe in to find that no light came on. Doing an SMC reset didn’t work. Later on, I ...
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39 views

How to cope with MagSafe “withdrawal”?

I've relied upon my MagSafe connection to keep my laptop safe for almost a decade. I got a new MacBook Air and felt funny putting in the USB power cord, but didn't realize just why I felt funny until ...
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106 views

Why does a MacBook throttle without a battery?

According to this posted answer, a MacBook Pro will throttle because otherwise its power consumption might exceed the amount supplied by the AC adapter. However, from my experience, my 2012 MacBook ...
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21 views

MacBook Pro (15-inch, Early 2011) 85W AXXX compatibility issue [duplicate]

Hi I have bought MacBook Pro (15-inch, Early 2011) recently and there was a problem with it. It was charging really slow. 8 hours of charging for full capacity charge. And then I found out the guy I ...
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2answers
151 views

Is it safe to use frayed MagSafe with outer insulation part is broken

I have a frayed 60w MagSafe with outer insulation / coaxial part is broken where some wires are cut (some are not). There's no problem with inner insulation part and the MagSafe working just fine when ...
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33 views

MBP retina 2015 won’t power on after SMC reset

I was using my computer while it was plugged in and the light on the Magsafe charging cable was green. I noticed at the top that the battery indicator was at 78% and was not indicating it was charging....
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29 views

What is the name of the long cable/plug attachment on the MacBook MagSafe charger?

My MacBook 2015's MagSafe charger has two attachments for plugging it into the wall: a simple plug, which slides/snaps onto the charging block a loooong cable, one end of which can slide into the ...
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56 views

Magsafe 2 45W (A1436) resistor and capacitor value identification

I was trying to replace the charging wire for MagSafe 2 but I accidentally short the circuit which cause 3 resistors and 1 capacitor burned. According to the number recognizable, I guess the biggest ...
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542 views

How to fix/clean burnt MagSafe 2 connection

I got some sand in my MagSafe 2 port and as a result the pins got messed up - they look “burnt,” I guess because the electrical flow got messed up. As a result it is hard to get a proper connection, I ...
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189 views

MBP Battery normal but won't charge, pro is now glitchy and slow

I've got a MacBook Pro (mid 2012 using Majave) which was bought reconditioned 2 years ago. It's been great, no issues. I updated a search engine app (Ecosia) while the battery was charging, once full ...
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1answer
29 views

Magsafe “L” light takes few seconds before turning off after being unplugged

I've bought the 85w Apple adapter from Amazon warehouse (used). It works fine but when I unplug it, the orange light stays on for few more seconds before turning off, while the old adapter turns off ...
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21 views

Charge a Magsafe MBP with a USBC power supply using an adaptor? [duplicate]

We've got a few newer 15" MBPs (Macbook Pros) in our office, so we have a few USBC MBP chargers in various areas. We also have some older magsafe (not magsafe 2) MBPs which are Late 2012 , 15" MBPs. ...
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115 views

Battery Not Charging and Light Not Showing Up Again [duplicate]

I just have got a Macbook Pro Retina 2014. The charger is new and 85 Watt. I have two issues. When I first connected the charger, there was 54% charge on the laptop and for only 1 second the green ...
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204 views

MacBook MagSafe 2 Charger only works in wall socket, and not in an extension cable

Edit: OK, the weirdness factor for me has gone off the charts. Now, everything works in all situations I described below 10 mins later. I tried everything I did below several times, you know, measure ...
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68 views

Early 2015 Macbook Air (A1466) Not Charging

I have searched far and wide to try and solve this issue but have had 0 luck. I have an early 2015 MacBook Air (A1466) that I've kept in great condition over the years. It's never really left my ...
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1answer
22 views

Diagnosing a MacBook that decided to stop powering. (A1342)

I have performed a series of upgrades on my MacBook 2010 (A1342). However, I dropped a screw, opened the device back up and fished it out and then closed it again. But when I then hit the power button,...
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2answers
64 views

Chosing the right charger: MacBook7,1 White A1324

I bought a used MacBook with identifier MacBook7,1, it's the white 2010 version (A1342). However, it already came with an off-brand charger and the text on it has gone washed off it seems, so I can ...
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29 views

MacBook battery won't charge but powers on either battery or direct power source

My MacBook won't charge. When I plug the magsafe adapter it doesn't light up (no amber nor green). I tried using a friend's charger to check if the adapter is at fault but the result is the same. So I ...
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129 views

Are frayed cables of Apple lightning cord or Macbook Power Adapter covered by warranty?

It is quite famous that users posted frayed lightning cable or Macbook Power Adapter cable on the Internet or Tumbler. Here is for Google image for lightning, and another one for the Power Adapter. ...
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3answers
808 views

How do I fix “Battery is not charging” for 2012 macbook pro retina?

I have a Macbook Pro, and it's battery is not charging. If I switch off the power adapter, the computer instantly switches off. No shut down sequence. I have to plug in the power adapter to switch ...
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190 views

Macbook Pro charging port isolation paint dried out

Macbook Pro model A1278 charging port isolation paint dried out. Now it is naked, just magnets. Could this be a problem for computer
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2answers
340 views

MagSafe: Where is the charger ID stored?

I'm about to change my power adapter's cable due to the classic cable fraying. However, according to this, there's data that gets passed around using the 1-Wire protocol. I only see 2 wires on there....
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920 views

What is the voltage output of an Apple 85W MagSafe 2 model A1424 without a load?

I’m looking to understand how to test and evaluate chargers so this is a bit technical a problem. Since MagSafe is proprietary, I can’t consult a USB power distribution specification to know how ...
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1answer
307 views

What input voltages does the 85W Magsafe 2 power adapter accept?

I have an 85W Magsafe 2 (A1242, MD506LL) power adapter which has been happily driving my MacBook Pro from US and Canadian 110V AC power. I am about to take this power adapter to Europe. Will I be able ...
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265 views

MacBook Pro won’t charge after a power outage

Here’s the story: I left my MacBook Pro 13 mid 2010 plugged in for the night, and during the night there was a power outage. When I woke up there was no electricity, so I just unplugged the charger ...
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3answers
91 views

What's the best way to wind a MagSafe 2 around the clip and power brick to make it easier to transport?

I'm totally blind, and have a MacBook with MagSafe 2 connected to the extension cable. Would somebody be able to explain how the cable can be wound around the clip on the MagSafe 2 and the pop-out ...
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1answer
59 views

Do all Magsafe adapters have removable extension cables?

I have a 60W MagSafe charger (2012 Macbook Pro) and am wondering if the extension cord is removable so that I can just plug the actual "brick" into the wall with a fitted adapter? It doesn't seem like ...
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1answer
105 views

Using Magsafe 1 85w 18.5v adapter for MacBook Pro 2015 15''

I want to use a Magsafe 1 85w 18.5v adapter for MacBook Pro 2015 15", which normally requires a Magsafe 2 85w 20v adapter. Is the voltage difference is going to be an issue?
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2k views

USB to MagSafe 2 Adapter

In case of an emergency, I'd like to use my solar powerbank to charge my Macbook 2015 13". It outputs 2.1A 5V, and I learned that the MBP can be charged with that, but I don't know if that's actually ...
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3answers
114 views

MacBook Pro only charges with smaller MagSafe 60W

My MacBook Pro 2.3ghz i7 mid-2012 stopped charging and the light on the charger doesn’t show up anymore. I thought it was the MagSafe 85W and got a new one, but my MBP is still not charging. The ...
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34 views

MacBook Air battery not charging - very strange issues [duplicate]

I have been repairing a water-damaged MacBook Air 2015. Initially the machine would only boot with the battery disconnected and power connected, but then die after around 20 minutes. The MagSafe light ...
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25 views

Can an 85w MagSafe charger (model#: A1172) be used safely with a MBPro 13.3” retina? [duplicate]

I’ve read through a few threads on here on this subject - which give very detailed information - but just wish to ask, by way a safety/ sanity check, the following... I have a MacBook Pro 13” Retina ...
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1answer
145 views

Is this MacBook charger counterfeit?

I bought a supposedly original charger for my MacBookPro9,2 (A7A048) 2012 Macbook pro. It does feature the apple logo etched into the plastic, it also says Designed by Apple in California ...
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1answer
596 views

27" Apple Cinema Display (video and power) to one USB-C

I've got an Apple Cinema Display with ThunderBolt-2 and MagSafe-1 connector and would love to combine these two cables to one ThunderBolt-3 to supply power to the Mac and video and sound to the ...
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Do I have enough evidence to conclude that my 2017 MacBook Air's problem is in the logic board? [duplicate]

I'm trying to revive a MacBook Air 2017 that suffered a liquid spill (diet Crystal Light on the keyboard). After a week of drying, open, in an aggressively dehumidified room, it started up and behaved ...
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180 views

Magsafe problem: only works in certain positions

I recently bought a brand-new, genuine Magsafe 60W charger for my mid-2010 MBP (my previous charger died suddenly after months of extreme fraying). Within a few hours of using it, strange and bad ...
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1answer
1k views

Magsafe port coating worn away

The plastic coating of my (mid 2010, 13 inch) Macbook Pro's Magsafe charging port has almost completely worn away over time, exposing some kind of shiny metal surface beneath. How important is this ...
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1answer
3k views

Is my Magsafe 2 Power Adapter fake?

Look please at the pictures below. The old charger is genuine when I bought a ME865 (sealed box). Today I bought MF841 (2nd) along with a new one. Is this a fake? AC Charger Information: Connected:...
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1answer
215 views

Can I use a DC 60W 18v 3A solar pannel to power my macbook pro 15" retina mid-2012?

I have found this solar pannel ( https://fr.aliexpress.com/item/Suaoki-60-w-Panneau-Solaire-5-v-USB-et-18-v-DC-Sortie-Portable-Pliable-Puissance/32935273533.html?spm=a2g0w.search0104.8.83....
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1answer
123 views

MacBook Pro not booting

I have a mid 2010 MacBook Pro that won't boot up. Faced this problem quite a while ago, so i sent it in for repair and was told the logic board may need replacement. The store told me they tested my ...
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1answer
191 views

What are the electrical requirements for magsafe charging?

I'm supplying power to a MacBook Pro via a magsafe cable from a broken 60 W power supply. Is it safe (1) to omit the initial high impedance 6 V or 3 V and simply apply "14,5V to 18,5V on Magsafe 1 ...
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1answer
887 views

Burned magsafe dc in board ports: Replace, even if working?

I have noticed that two of the pin plugs on my magsafe dc in board, the ones, which are for power are blacked. As far as I know, this is due to moisture. Right now everything is working fine, however ...
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3answers
5k views

How safe is it to replace the magsafe 2 connector with another one by simply connecting the wires?

I have a problem with my magsafe 2 adaptor, it has been stopping to work occasionally for a while now. Until now I always managed to get it to work by yanking the cable (in order to unstuck the pins), ...
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1answer
20 views

Can i charge mag safe 1 laptop via external portable battery ?

Ive got a mid 2012 15" Macbook Pro with which has a magsafe 1 power port. Is it possible to charge this model of laptop with an external battery like the 20000 Mah units you can get to charge phones ...
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1answer
777 views

Can magnetic adapters for USB-C be dangerous?

As it is well-known, Apple has scrapped the MagSafe connector. Thanks Apple, was too good to keep :-( I'm considering the purchase of one of the many magnetic adapters available on the market. But I'...
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1answer
224 views

Reattach magsafe connector on logic board

I accidentally removed the dc connector socket while cleaning the logic board of my macbook. I can no longer put it back (it doesn't stay on or falls off immediately). Is it possible to reattach or ...
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1answer
677 views

Macbook Air charger not working

The circumstances of my Macbook Air (late 2010 model) and its inability to charge the battery are a bit unique from the other cases I've read about on forums: My battery would not charge, and the ...