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You are here: MacNN Forums > Hardware - Troubleshooting and Discussion > Mac Notebooks > You can use the older, bigger 85W brick wither newer MBP right?

You can use the older, bigger 85W brick wither newer MBP right?
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servo
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Jul 14, 2008, 02:38 PM
 
I just got a new MBP with the smaller 85W power adapter, but I have a spare adapter that is the larger version that originally shipped when I got a 17" MBP 2 years ago. They are the same specs so they can be used interchangeable right?

I know, stupid question probably. I just want to be sure.
     
howardholton
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Jul 14, 2008, 05:12 PM
 
Assuming the pin-outs are the same you should have no problem using a higher wattage adaptor with the lower wattage MB. The wattage is the maximum draw that will be supported.
Please help!! I am trying to ditch Wintel He11 for OS X and am a MAC newbie.
     
Simon
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Jul 14, 2008, 05:22 PM
 
The old 85 W adapter will work perfectly fine with a new MBP. In fact it will work just fine with any MBP or MB.
     
SEkker
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Jul 14, 2008, 11:13 PM
 
I use mine interchangeably with a newer, smaller brick. Works great.
     
forumhound
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Jul 19, 2008, 12:30 PM
 
works great until it blows up, melts, frays, or dies...good to have 3.

Dead MBP 2.2 4gig / New Aluminum iMacs / "Old" iPhones / 1st Gen Ipod Shuffle
     
AKcrab
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Jul 19, 2008, 06:08 PM
 
Originally Posted by forumhound View Post
works great until it blows up, melts, frays, or dies...good to have 3.
3 power supplies at $79 = $237. Applecare = $249 or $349.
I think Applecare is a better buy.
     
forumhound
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Jul 19, 2008, 06:33 PM
 
Originally Posted by AKcrab View Post
3 power supplies at $79 = $237. Applecare = $249 or $349.
I think Applecare is a better buy.
oh yeah, if u are within 1000 km of an apple repair center, or u can live without ur macbook pro for more then 24 hours. I personally have 2 now, 3 have gone bad under warranty. but maybe i am being bitter, sorry.

Dead MBP 2.2 4gig / New Aluminum iMacs / "Old" iPhones / 1st Gen Ipod Shuffle
     
Simon
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Jul 20, 2008, 03:54 AM
 
Originally Posted by forumhound View Post
...or u can live without ur macbook pro for more then 24 hours. ...
Not necessary. Just find a decent AASP. Whenever I had any hardware issues I would bring my Mac to the AASP and he would diagnose it within an hour. I'd take my Mac back home and keep on using it. A couple of days later when he had received the replacement parts I would bring it in again and he'd do the swap within another hour. Of course that only works if your Mac isn't totally dead. But in such a case you will be able to rent a Mac from a decent AASP for the time being. I did all this with my AASP as a regular private customer, not as a business customer. You just need to find a really good AASP. I understand that might not be easy in Nepal, but for most people on this board it should be possible.
     
   
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