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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3
votes
2answers
19k 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). ...
2
votes
0answers
969 views

reverse magsafe adapter? (magsafe2 power to magsafe1 laptop)

I have some magsafe2 power cords. That's fine, but occasionally I need to loan power to an older laptop that has the magsafe1 port. I carry a magsafe2 adapter so I can steal power from them. But is ...
-1
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1answer
328 views

How to avoid a forced shutdown or crash when the MagSafe is plugged in and got loose?

The new MagSafe for the current Macbook Air isn't very strong for its magnetic force, so it can become loose easily. Today I left the Macbook Air unplugged and it went into sleep, and after I plugged ...
3
votes
1answer
4k 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
1answer
2k views

Fluctuating voltage on Magsafe charger

I got two Apple Magsafe charges, one for which I needed to cut and rejoint the cables. The fix went well and now when I plug in the charger it works and charges my Macbook Pro. Though when I measured ...
2
votes
1answer
1k views

How to use new Macbook Air's power adapter with previous generation MacBook Pro?

I have a MacBook Air (Late 2012), which has the new Magsafe 2 power connector. I would like to use the power adapter with my 15" MacBook Pro (Mid 2010). Is there an adapter for it? A quick search on ...
3
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2answers
802 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 ...
44
votes
10answers
152k 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 ...
1
vote
2answers
783 views

Is it ok that a MacBook turns on from sleep with the lid closed when MagSafe is connected/disconnected?

I have a mid-2012 MacBook (non-retina). Recently I've noticed that after closing the lid to put it to sleep, once it's sleeping if I pull or attach the MagSafe connector to it it will turn on from ...
0
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1answer
666 views

Where can I buy a replacement MagSafe female chip for my MacBook Pro?

I am trying to find a replacement charging chip for my MacBook pro 5.5 (mid 2009). I have looked on eBay and can't find them. Does anyone know of a site that sells parts like this? Thank you.
2
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2answers
4k views

How can I triage a MacBook Pro that won't charge with the LED dimly lit green?

I have an early-2011 MacBook Pro that will not charge. The green light on the MagSafe connector is barely green. Besides the fact that the system info tells me the battery is not charging, the ...
13
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4answers
72k 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.
0
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2answers
571 views

Temperature different of adapter since Mountain Lion (maybe only rMBP related)

Since I've got ML (Mountain Lion) installed, I've got the feeling that my adapter (Magsafe-2) is not getting as hot as before? Since this is my first Macbook, I really wasn't familiar with the ...
5
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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?
3
votes
4answers
43k 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 ...
1
vote
2answers
753 views

Strain relief of MagSafe cord and safety

My MagSafe adapter has suffered from strain relief and the insulation is completely frayed off near the tip (it is the newer L-shaped adapter rather than the old T-shaped adapter). It still seems to ...
0
votes
1answer
1k views

Old MacBook power adapter on new MacBook Pro?

I have a 60W power adapter from my old 2008 MacBook. Can I use this power adapter on a new 13" MacBook Pro, which also came with a 60W power adapter? However the two power adapters have two ...
23
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13answers
85k 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, ...
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
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 ...
2
votes
1answer
5k views

How hot is it normal for a 45 watt MagSafe Adapter to get during use?

I have a Mid-2011 MacBook Air (13"). Recently, the 45 watt MagSafe Adapter grew extremely hot (painful to touch) and smelled slightly singed while I was using the machine and plugged into the wall. It ...
3
votes
1answer
515 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. ...
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
1answer
411 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. ...
2
votes
2answers
5k views

Magsafe adapter not “fitting” in to MacBook Pro

I have a Mid-2009 MacBook Pro, and all was well before the weekend. Now when I try to fit in the MagSafe charger to the macbook, I am unable to fit it in correctly (but as you can see, it is charging):...
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 ...
2
votes
1answer
4k views

Replacement plug on MagSafe adapter?

The plug portion of my power adapter broke off. Fortunately, this piece of the adapter seems to just slide off of the main adapter body, attaching via a round metal piece. So basically I would just ...
7
votes
4answers
31k 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 ...
3
votes
4answers
16k 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 ...
1
vote
2answers
629 views

Intermittent charge on Macbook Pro

I have a 2010 Macbook Pro with a MagSafe T Power adapter. The power adapter makes a buzzing/hissing/fuzzy noise when it is plugged into the wall. When it is plugged into my mac, my light turns green ...
1
vote
3answers
3k views

Use Goal0 Nomad 7m Solar Panel to charge MacBook Air?

I've got a Goal0 Nomad 7m solar panel. It produces ~7 amps @ <22V DC on a regular day. The MacBook Air has a 45W charger. The markings on the charger say it runs at 14.5V DC @ 3.1 amps. Unless I'm ...
5
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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 $...
1
vote
6answers
7k views

Power adapter connection issues

Lately, my Magsafe power adapter has not been connecting properly: The wires are not worn out as I take good care of them The issue happens when I try to connect my power adapter to my computer The ...

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