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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55 views

Remove MagSafe magnets from iPhone to avert pacemaker interference

Is there a way to remove the MagSafe magnets from newer iPhones and Apple Watches? Magnets in the devices have been reported to be incompatible with medical devices such as pacemakers. Apple has ...
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48 views

Magsafe-2 car charger for 2015 MacBook Pro?

Is there such a thing as a Magsafe 2 charging cable that can be used from a car's 12V power outlet (UK). This is for a 2015 MacBook Pro. Thanks
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Angled Thunderbolt 2 & power adapters?

My Macbook's (early 2013) is placed on a tray over a shelf. The arrangement suits my purposes perfectly, but the Thunderbolt and Magsafe are sticking badly out limiting the placement of the laptop. I'...
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Why my magsafe 2 light suddenly goes off

Been a while ago, my all electrical devices burnt because power surge that I lived, fortunately I repaired all devices except magsafe 2 45 watt, I replaced all broken power components of magsafe 2 (...
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113 views

Thunderbolt 2 charging

My 2011 Macbook Pro's MagSafe charging board died but the device still turns on. I heard that the Thunderbolt 2 which is on my Macbook can be used to charge the Mac by using a USB-C to Thunderbolt ...
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62 views

error code 4SNS/1/40000000:VDOR-17.546

i have some questions about my Macbook pro late 2011 nacOS High Sierra 8 gb ram with 750 gb HDD Q1: my mac performance slow, i do a test and got 2 codes 4SNS/1/40000000: VD0R-17.552, 4SNS/1/40000000: ...
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22 views

Irregular and low watts battery charge

I am experience something weird with my two MagSage 2 of my MacBook Pro 2015 . It happens with both of them, so I am not sure where the problem is. I am using iStats menu to monitor the battery charge....
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166 views

MacBook Pro battery does not charge when plugged in unless switched off / sleep

Hello Apple Stack Exchange! Apologies if this is a repeat question, perhaps because everything is a repeat answer as well is why I am here. I am having a problem with my MacBook Pro (A1398, 15”, early ...
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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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5k 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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46 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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243 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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873 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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32 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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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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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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563 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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32 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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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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144 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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516 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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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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23 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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104 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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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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242 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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2k 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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239 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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452 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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2k 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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606 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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469 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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115 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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100 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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124 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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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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137 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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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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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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215 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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673 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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203 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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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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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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276 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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136 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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290 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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973 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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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), ...