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
784 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 ...
30
votes
5answers
76k 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 ...
23
votes
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, ...
6
votes
6answers
44k 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. ...
2
votes
3answers
16k views

What voltage readings should I get from my 60 watt Magsafe?

What voltage readings should I get from my 60 watt Magsafe if I check the pins with a multimeter? My readings are all below 1 volt (I checked all combinations of pins), but I don't know if this is ...
9
votes
2answers
23k 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 ...
5
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 ...
43
votes
10answers
148k 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 ...
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
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). ...
2
votes
1answer
175 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....
1
vote
1answer
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 ...
6
votes
1answer
6k views

Can I charge my MacBook Pro 2015 without using MagSafe 2 power port?

I have a MacBook Pro (Retina, 15-inch, Mid 2015). Now after three years of use, the charger isn't responding to being plugged in. I tried to reset the SMC by holding down the left side shift control ...
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. ...
4
votes
3answers
493 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 ...
4
votes
3answers
5k 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
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 ...
3
votes
1answer
14k 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
3answers
4k 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), ...
2
votes
2answers
1k views

Why doesn't a stripped/cracked MagSafe power cable shock?

Behold, the fate of all (poorly handled) MagSafe power cables: Why doesn't this shock me? I've read that MagSafe cables are low voltage, but I don't even get a tingle. Is there any danger of shock, ...
1
vote
1answer
143 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 ...
1
vote
1answer
3k views

MacBook Pro mid-2012 turning on only without battery connected

My MacBook Pro mid-2012 is barely 5 months old and it just won't turn on one day. MagSafe Adapter doesn't show green or orange LED while charging. LED display did not show any lights either. ...
1
vote
2answers
1k views

What are specs of this MagSafe wire, and what is its purpose?

I need to repair a MagSafe power adapter, which has a damaged cable. As you can see in the photos, there is damage to what appears to be shielding. Update: This frayed wire is not “shielding.” ...
1
vote
2answers
3k views

MacBook 2007 charger

I have a MacBook I bought in 2007 and the charger recently died on me. (I'm assuming the computer itself is still working). I did some research and ordered from Amazon a Magsafe1 60W charger, but ...