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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39
votes
10answers
128k views

What would happen if I use a power supply with a different wattage than the system is designed for?

My girlfriend has a Macbook Air. The power supply is smaller and lighter than the Pro. It has an output of 14.85V and 3.05Amps. My Pro Retina has a power supply that is 20V and 4.25 Amps. Both ...
23
votes
5answers
51k views

USB-C to MagSafe 2 Adapter

I have a 2015 MacBook Pro with a MagSafe 2 charging cable. My wife has a new MacBook Pro from 2016 with USB-C. I was wondering whether I could technically (in the matter of electronic feasability) use ...
21
votes
13answers
80k views

How can I clean a MagSafe power port on my MacBook Air

There appears to be a few small metallic fragments clinging to the magnet around the port where the MagSafe power connecter attaches to my MacBook Air. I can still get the cord to (mostly) seat, ...
13
votes
4answers
61k views

Can i use my old MacBook charger on my new Mac?

I have a 2011 15" MBP, that uses a 85W power supply. My old 2008 MBP 15" also has a 85W power supply, but I cannot get it to work. Shouldnt it? Its the same watt power, and the adapter fits.
9
votes
2answers
15k views

How to reset a magsafe charger that doesn't charge macbook pro's battery?

I have a Magsafe charger (original) that doesn't charge my MacBook Pro's battery. When it is connected, it will allow the machine to switch to power adapter mode (meaning no battery consumption) but ...
8
votes
3answers
2k views

How to make MagSafe2 charger stronger

I used to have a L shaped MagSafe charger for my 2010 MBA. Now I have my 2015 MBP I now need to use the T shaped MagSafe2 charger. The only issue is because the angle the wire is on the connecter (and ...
7
votes
4answers
30k views

Why does my MacBook Pro say “Not charging” when plugged in?

I have the latest 2011 Macbook Pro. Sometimes I notice that even when I'm plugged in, the battery status says "Not charging" even when I unplug it and the battery is at 35%. This mainly seems to ...
7
votes
1answer
795 views

Are Macbook Pros with a rusted / corroded MagSafe port safe to operate?

So I have MacBook Pro 13" 2015 and when I connect the MagSafe power connector to it, it seems like it’s more difficult to charge. So I check the MagSafe port and want to clean it I think. When I ...
6
votes
3answers
17k views

My MacBook Air won't charge

My MacBook Air won't charge, the MagSafe doesn't even have that green or red orange light and when it does it isn't very bright. The Battery Icon on the upper right corner indicates not charging. ...
6
votes
4answers
47k views

How to know if the new MacBook is charging while turned off?

I recently bought the new MacBook 12" and since it uses a USB-C port and not the traditional MagSafe one, I wanted to know if there is some way for me to know whether it is charging or not while it is ...
6
votes
6answers
43k views

MacBook Air Battery is not charging, no light, still be able to power up, battery condition is normal

I experienced this behavior two days ago (My MacBook Air is late 2011 version (4.2): I can still power up my Mac, with or without MacSafe charger connected Battery is not charging There is no light. ...
5
votes
3answers
2k views

Do all magsafe power ports have the same form factor?

I have a MacBook6,1 with a 60W magsafe power adapter. The cord on the adapter got chewed up by my rabbit (she's fine) and I would like very much to replace it. But I really don't want to spend the $...
5
votes
1answer
1k views

Are the mid-2012 Macbook Air compatible with older MagSafe adapters?

Will the mid-2012 Macbook Air models be compatible with the MagSafe power supply of the previous generations?
5
votes
2answers
6k views

How to earth a MagSafe2 adaptor for 15" MacBook Pro with retina display?

There is no earthing pin, only a socket with a metallic rim. Will it require some special socket that has a projecting earth pin? This is for use in India @ 230W. My adaptor is 85w.
5
votes
1answer
4k views

Can I charge my Macbook pro 2015 without using MagSafe 2 power port?

I have a MacBook Pro (Retina, 15-inch, Mid 2015) https://www.apple.com/in/macbook-pro/specs-2015/. Now after three years of use, the charger isn't responding to being plugged in. I tried to reset the ...
4
votes
6answers
10k views

My MagSafe to MagSafe 2 converter becomes extremely hot. Why?

Out of nothing, my MagSafe to MagSafe2 converter became extremely hot while charging. So hot, I could not even touch it. What could cause it? I've been using it so I can leave multiple old 85W ...
4
votes
1answer
33 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 ...
4
votes
1answer
5k views

MagSafe LED sometimes won't light up

I have a Mid 2014 MacBook Pro with Retina Display. As of a week ago, occasionally when I plugged in the MagSafe Adapter, the LED doesn't light up. The problem is fixed by unplugging the power adapter ...
4
votes
1answer
7k views

Magsafe light occasionally turns off while plugged in

Every once in a while, the green light on my Magsafe adapter will turn off, but the computer will indicate that it's still running off of AC power. If I unplug the adapter from the computer and then ...
4
votes
1answer
287 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 ...
4
votes
2answers
1k views

Macbook Air Magsafe 1 charging port burning out repeatedly

I have been consistently having problems with my Macbook Air Purchased in Dec 2012 (Model A1369) Following is the sequence of problems I have faced : Magsafe 1 charger pins burned out (2 years ago), ...
4
votes
6answers
15k views

Is my MagSafe covered under my MacBook's AppleCare?

I have a white 2010 MacBook, and the outer casing for the wire on the MagSafe power adapter has developed a small split. Is this something that may be covered under my MacBook's AppleCare? Is it ...
3
votes
3answers
2k 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), ...
3
votes
5answers
3k views

Is an older MagSafe power adapter compatible with a newer model MacBook Pro?

I'm using the MagSafe power adapter from my old multibody Macbook Pro: On my new unibody Macbook Pro: The MagSafe power adapter has become very hot and emitting a faint burning smell. It's not ...
3
votes
1answer
497 views

85W MagSafe adapter only delivers 77W?

My late 2011 17" MBP was delivered with an 85W MagSafe adapter. Under heavy stress (either CPU and/or GPU) the MBP has to draw additional power from the battery in order to keep everything running. ...
3
votes
2answers
1k views

Explanation for wrong charging wattage / slow charging?

I have a 2013 Retina MBP and a fairly new 85 W Magsafe 2 charger. But when I connect this charger to my Macbook and check in Battery Health, it claims that it is receiving only 49 W. Does anyone know ...
3
votes
3answers
290 views

Is there any danger to my devices in testing possibly-bad cables?

I've been cleaning out my room lately, and in the process I've dug out several cables, both MagSafe and Lightning, in various states of disrepair. I want to plug them into my devices to see if they ...
3
votes
4answers
37k views

MagSafe Power Cable Going Yellow

Well, my MBP cable has gone yellow after a while. I've tried cleaning it with water, and also toothpaste (with whitening) and that doesn't seem to have removed the yellow stains. I guess I'll try ...
3
votes
3answers
16k views

2013 MacBook Air 13" won't boot - green MagSafe LED

I have a 2013 Macbook Air that suddenly won't boot. It was working as of yesterday. I woke up this morning and it wouldn't start. At the time, the Magsafe2 Adapter was not lit up. My wife has a ...
3
votes
1answer
8k views

Using 85W MagSafe inplace of 60W MagSafe 2 for MBP retina 13"

I have 2 MBPs: 1. Personal MBP 2011 15" (with 85W magsafe) 2. Work MBP Retina 2013 13" (with 60W magsafe 2) So can I use my 85" magsafe for my 13" retina using this converter without any power ...
3
votes
2answers
18k views

Out of warranty MBP ,Burned Magsafe port and frayed charger cable - repair option and cost?

I have a MBP 15" 2011 model and has is the burned magsafe port (leftmost pin melted) which i noticed today. The connector gets too hot sometimes ( but remains ok when I charge in sleep mode). ...
3
votes
2answers
699 views

Shocking? - MacBook stubby earthed charger UK

I have no idea why. But apple have not earthed the stubbly plug for the macbook pro transformer. So on the short lead the only way the charger is earthed is when I touch it or the macs unibody which ...
3
votes
1answer
3k views

Whistling MagSafe power adapter

When I connect my MacBook Air's 45 W MagSafe power adapter to my MacBook Pro (which came with a 65 W MagSafe power adapter), and the Pro uses lots of power (such as installing updates and restarting), ...
3
votes
3answers
3k views

Using 45W Power Adapter with MacBook Pro Retina 15

I would like to know if I am able to use a 45W MagSafe Power Adapter in my MacBook Pro Retina 15 with a MagSafe to MagSafe 2 Adapter. I am normally using the original one (85W MagSafe 2 Power Adapter)...
3
votes
1answer
12k views

Magsafe charger getting really hot

My MagSafe connector gets really hot to the point that it burns my skin when I touch it. Everything else is fine, my macbook charges fine and does not heat up that much. Is this normal?
3
votes
1answer
177 views

Is it okay to use the cord from a Magsafe adapter with a different wattage?

I have a 2011 Macbook Air. The original Magsafe cord was getting flimsy, so I cut the old cord, got a spare one from eBay and soldered it to the power adapter. However, I realised the wattage rating ...
3
votes
2answers
50k views

Are L-shaped and T-shaped Magsafe 1 interchangeable? [duplicate]

I want to buy replacement Magsafe 1 cable for my MBP 17" Late 2011, and they are available in two options — L-shaped and T-shaped. My computer was shipped with L-shaped connector, however I want to ...
3
votes
2answers
1k views

Does a MacBook Pro need a power adapter to work in the Bahamas?

A classmate asked me if the US MacBook Pro adapters are usable in the Bahamas. It boils down to the type of electricity and outlets there, but being that I have no clue, I'm asking here. Does a USA ...
3
votes
1answer
34 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?
3
votes
3answers
68 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 ...
3
votes
1answer
163 views

My MBP will only charge with a T shaped magsafe now

I have a MacBook Pro (15-inch, Early 2011) which came with a L shaped magsafe charger. I have been having problems for sometime now, wouldn't charge properly, cut off randomly, charger would cut out/...
3
votes
2answers
252 views

MagSafe2 (fake) replaced power cord

My cat obliterated my power cord yesterday. Being a student, spending around 100 euros on a new charger was not an option. So I found a 10-years-experience-in repairing-electronics-company and they ...
3
votes
1answer
400 views

MagSafe Power Cord soldering with Power Brick

How can I solder power cord back as it was? Has anyone else had the same problem? I know that Apple hardware and peripherals are very hard to "open up", so maybe some of you know some tricks about it. ...
3
votes
4answers
13k views

Apple charger port magnet has lost it's pull

My friends laptop was dropped and fell directly on the power charging connector as it was connected to the charger. Now the port still works, but the strength of the magnet that holds the connector ...
3
votes
2answers
894 views

MagSafe 1 or 2 for MacBook Pro 2015

I have a 2015 MacBook Pro and need to know if I should be using a MagSafe 1 or 2 charger. I've searched around with Google but so far I've found conflicting information. I recently ordered an 85W ...
3
votes
2answers
421 views

MacBook Air 2012 won't charge or boot

I have a Mid 2012 11" MacBook Air that won't charge or boot. I've tested the charger with multiple other MacBook Airs, and the charger works fine. I have researched this and have done everything from ...
3
votes
1answer
3k views

Specification of MagSafe power adapter coaxial cable?

Does anyone know what type/specification of coaxial cable is used from the transformer brick to the MagSafe connector in the A1343 power supply? The cable from my 85W MagSafe power adapter to my MBP ...
2
votes
3answers
2k views

Can a 2015 Macbook Air MagSafe 2 connector be filed down to work with a 2009 Macbook Pro?

The title pretty much says it all. I ordered a MagSafe 2 power adapter before realizing my MacBook Pro uses the Original MagSafe. After looking at both connectors, it appears the MagSafe 2 connector ...
2
votes
1answer
510 views

How many types of MagSafe are there?

Now that MagSafe is dead in favor of USB-C, how many types of MagSafe are there and how do I identify which one matches my computer?
2
votes
1answer
663 views

MacBook Pro Battery Problems

I have a MacBook Pro late-2012 model. And my cable started showing symptoms of fraying. So I ordered an offbrand cable from Amazon with good reviews and it arrived today and I tried it and the Mac ...