MacBook Pro :: 60W Power Adapter On 15" - Will It Hurt The Bettery
Jul 17, 2009
I have a 15" MBP (early 2008) with an 85W MagSafe Power Adapter.For work I just purchased a new 13" Unibody MBP (awesome little machine). It came with a 60W MagSafe Power Adapter.The 60W adapter seems to work fine charging my 15" machine. Is there any harm in using it this way? Will it hurt the battery?What about vice versa - I have not tried the 85 watt adaper on the 13" machine but I'm afraid to burn something out. I'd just like to be able to use the two adapters interchangeably as I move the computers between home and work and leave the adapters plugged
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Aug 30, 2010
At the beginning of the year my power supply died and Apple changed both of them. 4 months later, happened again. Now, 4 months later, it is happening again!
The power supply is plugged into a power strip with other electronics as well. The power supply keeps the laptop alive but won't charge it. If you unplug it the battery drains like normal. No light on charger, other chargers charge the laptop.
Do I have dirty power at my house that keeps blowing it? Nothing else has been effected.
Can a computer effect the charger? Please help! Still have 6 mos of applecare, but am tired of this. Would like to find solution.
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Jul 6, 2012
Can I use existing 85w magsafe adapter from existing macbook pro with new MBA 13 magsafe2 port ?
Info:
MacBook Air
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Jan 18, 2009
I had some friends over for dinner tonight and I was showing them my macbook. So one of them played a prank on me and opened about 400+ windows by creating about 400 folders and then selecting them all and opening them. So to make a long story short, I closed them all and now I am wondering if this could have hurt my hd by doing this.
P.S The fan really got going when he did it
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Nov 19, 2007
Where can I obtain a new 23 Inch Cinema Display power adapter? I've searched the Apple Store but I cannot find it.
Information:
G5 Dual Core PowerPC
Mac OS X (10.5.1)
23 Inch Cinema Display
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May 22, 2012
I recently discovered my computer had died while it was sleeping. I tried charging it but am recieving the "Battery not charging, power source: power adapter" status.My power cord light is green, always. and the computer dies instantly when I remove the magsafe.
I've tried the "remove the battery, press the power button, plug in the magsafe" troubleshooting process, but it doesn't work.I've noticed that even with the battery out, the charger reads a green light.I've tried several outlets with the same results.Here are my battery stats
Battery Information:
Model Information:
Serial Number: DP-ASMB016-384e-7636
Manufacturer: DP
[code]....
Info:
MacBook, Mac OS X (10.5.8)
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Oct 31, 2010
Don't want to ask the Apple Store since they'll just tell me I can't, but can I use the 85W power adapter that came with the 15"MBP on the new Air with no damage? Ok, to use in a pinch?
Hmmm, how about the other way around (using a 45W power adapter on the 15"), I am thinking "no damage" just that it would take longer to re-charge?
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May 6, 2010
I had an extra 45w power adapter in my office; which I used to use with my Macbook Air. So today, I mated it to my new i7 MBP15 and was expecting it not to work because of insufficient power. But it seems to work just fine.
Is there any harm in using the 45w power adapter at work and the 85w adapter on the roadhome? I'm assuming the 45w adapter just wont charge the battery as fast.
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Apr 9, 2012
I need a new power adapter for our computers. We have an Air and a MacBookPro 15". Can I use one power adaptor for both computers without harming the smaller computer?
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Dec 19, 2009
this might have been discussed before, but I just cannot find a threat about it: May I use my old 85W Brick of my older 15″ for the new unibody 13" Macbook Pro? The MacSafe Adapter certainly fits. But is ist safe to use it ?
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May 24, 2010
I have a Macbook that is nearly three years old, and I'm on my second power cord. The first time I had trouble, the casing had melted off right next to the MagSafe part that plugs into the computer. I got another, and now it seems it won't charge at all. There is no apparent physical damage. At first, I could do a little jiggery pokery and if I got it in just the right place, it would charge. It seems that now even that is gone. I'm wondering if: 1. There is some obvious fix that I am missing, or 2. Where I can get an affordable replacement. I realised this makes it sound as if my current cord is brand new, that is not the case. It is about a year old.
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Feb 25, 2012
My MacBook Pro is plugged in w/the power adapter, the green charging light is on, but my battery percentage is only showing 15% and is not increasing. It was actually at 60% this afternoon...went to 22% and now is @ 15%.
Info:
MacBook Pro, Mac OS X (10.5.8)
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Jun 3, 2012
I just bought MacBook Air, because my MacBook Pro died... I need two magsafe power adapters (for work and home) and I was wondering whether I could use my old ones from my MacBook Pro? The watt is way off, though (85 W versus 45W).
Info:
MacBook Air (13-INCH, MID 2011), Mac OS X (10.7.4)
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Jun 30, 2012
My 8 month old Macbook Air power adapter seems to have failed. It may appear to work (amber light glows when plugged in) for a while, but it stops working soon after.
Info:MacBook Air (13-INCH, MID 2011)
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Sep 9, 2014
Why is the power adapter buzzing and the mouse pad jumping around when plugged in?
Info:
MacBook Pro, OS X Mavericks (10.9.4)
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Mar 18, 2009
office is upstairs so i bought a Macbook pro which i can use downstairs while watching tv or in the bedroom.... I bought my girlfriend a macbook for the same purpose.. I plan on buying a dell ultrasharp 24" monitor and keep it in the office that way either one of us can go and plug our laptops in and use it at the desk. I want to keep a power supply up there for both of us to use, can i buy a spare 85w power supply and will it be safe for her macbook?
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Aug 10, 2009
has anyone tried a 3rd party power adapter? i have a MB alum and correct me if i'm wrong, but it needs 60w - right? is there a downside to this?
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Aug 29, 2009
Just a quick question about my 13" MacBook Pro's 60W power adapter.The prongs have burnt, and I've noticed that sparks occasionally shoot out of the prongs when I plug the adapter into a wall outlet.Is this a known problem, and should I ask for a replacement adapter?
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Dec 26, 2009
I've had the computer for over a year. It is currently insured with the Applecare. It seems like the adapter's cord is starting to show some normal wear-and-tear. It still works (i.e., still charging my computer), but I'm afraid that it will either rip or cause a short sometime. I've never dinged the charger. It just seems like the coiling made it come apart. See the picture below. Will Apple replace this under the warranty, or will I have to rake out $80 for a new one if this one gives way? image: [URL] I just got off the phone with an Apple rep, and he will be shipping me a new adapter. I'll just have to send him back the damaged one.
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Apr 8, 2010
I i have a chipped power adapter and i'm not sure if it would be covered by my warranty. I'm not sure how it was chipped or for how long its been chipped but it could have been up to a week or more. The only way i can see that it was chipped is if my sister let the bunny out and it bit the wire.
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Jun 1, 2010
I would like to know whether it is safe to, let's say, unplug the power adapter and then replugging it in like 20 seconds, for example, if I'm moving to a new room. Will it have a negative effect on the battery? I tried to search MRoogle but there are so many threads that it is literally impossible to find what you're looking for, sometimes.
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Feb 8, 2012
I was very surprised and scared at the same time when I see my magsafe power cable frayed badly at one of the connections to the magsafe unit. I was very lucky to notice before sleeping, or else I would have ended up in a fire at my home. I was planning keep MBP for charging and go to sleep when I noticed this. But luckily I smelled burning and noticed that the frayed had part started blackening due to burning. I immediately disconnected it. See the pic below.
I use the charger as it is expected. Remove it from the solid plug and not cable. Actually I use all apple products with care and respect and I love them. But this incident broke my heart. I have so many presentations to give this week, how I am going to survive without my laptop is a big question. I just saw many people have had such problems, and I am hoping Apple customer care helps me out tomorrow morning. Only 14 minutes left on charging before my MBP dies. Apple help.
Strange thing is my power charger was just replaced 6 months ago for a different problem(it just stopped charging without any reason or visible damage, no fall nothing). And now after 6 months the new charger gave up with a frayed cable. I work as a Teaching Assistant and have so many presentations every week, this is a unnecessary trouble for me.
Info:
Mac book Pro, Mac OS X (10.6.4)
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Mar 27, 2012
suddenly the power adapterr for my macbook pro stop working, the charger was working normally, anyone know of any evidence to verify its operation?
Info:
MacBook
Pro, Mac OS X (10.7.1)
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Apr 26, 2012
My MacBook Air 2011 can't be charged by MagSafe 45W power adapter after I charge it with 60W adapter, It happen few time, check the the system status, shows the AC charger not connected, I tried to plug and unplug serveral times, and keep the mag connector pluged for awhile, there's no light at all
Info:MacBook Air, Mac OS X (10.7.3)
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May 24, 2012
Why is my magasafe power adapter over heating? I can bearly hold it and think it will cause a fire.
Info:MacBook Pro (13-inch Early 2011), Mac OS X (10.7.4)
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Jun 14, 2012
My MacBook Pro 13" Mid-2009 has recently started to shutdown unexpectedly when it starts running on battery power, I don't know if its the battery or the motherboard (I hope it isn't).
I tried resetting everything, reinstalled the whole OS, repaired permissions (don't know what for), but I keep getting this. It started about a month ago when I tried to boot up from the battery as power source:
The first try went all the way through the apple showing up with the spinning symbol underneath it, then POOF. Then everytime I tried to boot up again it didn't even show the Apple logo, just 5 or 6 seconds after the chime, POOF AGAIN.
So I connected it to the power adapter and everything went OK, I started working on it, everything was fine until I disconnected it. I kept working on battery and 2 minutes later the computer died again, it sounded like when you keep pressing the power button to force-shutdown, like it's protecting itself from something and it's very frustrating not being able to use your LAPTOP as one.
Oh, one more thing, the battery icon says "Service Battery" and it shows only 1 hour of battery (on 100% charge) the 2 minutes I can work on it before it shuts down.
Info:
MacBook Pro, Mac OS X (10.7.4), Mountain Lion 10.8 DP 4
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Jun 25, 2012
I have a MBP for 27 months and something wrong with the power source recently. As my MBP is bought for working purpose as a desktop so mostly i kept my MBP connected with the AC adapter. I will let it run on battery once every month or two so as to keep my battery runs. However a couple of days ago I found the my MBP is running with the battery power instead of AC suddenly, then I let it run till 1X% and recharge my battery again.This situation keep happening recently and I needed to keep recharge my battery all the time, and what even worse is the adapter stopped charging in the middle of charging period for two times. It couldn't complete the whole charging cycle and I needed to disconnect the adapter from the socket for a minute and continue charging again.While the battery is charged, i let my MBP runs with the adapter in on as usual, however the green light will go off suddenly while the battery is still in 100% or so, I have to disconnect the adapter from the socket and plugged in again.
As I now always need to keep an eye on the battery icon and coconutBattery and I found that the percentage of the battery won't drop off before the light goes off. Is my MBP got infected or anything will lead to such case? I am just wondering if the recent software updates lead to such case as the it happened coincidentally.
Info:
MacBook Pro (15-inch Mid 2010), Mac OS X (10.6.8)
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Mar 16, 2010
Has anyone had the following problem? My Macbook Pro is 2.5 years old and has recently been shutting down for no apparent reason while plugged and unplugged into the power adapter. I went to the Apple store a few weeks ago for an issue where the Macbook Pro would not turn back on at all. They had to replace the logic board. But after that, I now have the problem of the shutdowns. I went to the Apple store and got a new power adapter because mine was broken. I thought that would be the problem, but it isn't. I also recently reinstalled my operating system and the problem is still occurring. Does anyone have any advice? My laptop is a 2.2 GHz Intel Core 2 Duo, 2 GB 667 MHz DDR2 SDRAM. My battery is in 'poor' condition, but according to the Apple experts, the battery has nothing to do with this issue.
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Aug 29, 2010
I think the title pretty much explains it all. I'm wondering if there's any harm that would come from leaving the power adapter plugged in all the time, but without the MacBook connected some of the time. I'm a college student, and with the way I have my desk set up, I can't really take the power adapter with me everywhere I go. So yeah, I was wondering if there was any harm that would come from it.
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Oct 10, 2010
I recently bought a new charger called the 60W MagSafe Power Adapter, for some reason for the first time when I plug it into my Leopard Macbook, it works. But when I take it out and plug it back in, it doesn't seem to charge. I would have to remove my battery and place it in again for the charger to charge my macbook. I don't think the charger is the problem because it charges on my macbook Tiger fine.
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