MacBook Pro :: Replacement Battery And Power Supply
Jun 21, 2010
I'm just wondering if anybody knows whether it is possible to obtain a replacement battery and power supply for such an old computer. My 17-inch MacBook Pro is about five years old, and the battery seems to be completely dead. It will not start up, will not take a charge, and cannot be used, whether plugged in or not. A multitester test suggests that the power supply no longer works either. My MacBook has one of the older-design power supplies, with the circular port, rather than the newer, magnetic, rectangular ones. I'm planning on getting a new MacBook in the near future, but I need to access some things that are saved on my old Mac's hard drive, if at all possible.
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Sep 19, 2007
June 5th to September 19th.....not too bad, considering the laptop has been on the road quite a bit.
I finally lost (seems so, at least ) that little semi-clear plastic cap shaped like a rectangle with rounded edges that covers/protects the connector of the MBP power supply when it's not connected to the computer (and being transported).....at least, that's what I used it for.
I did a quick search and couldn't find any relevant posts, so sorry in advance if this has been addressed.
Does Apple or someone else sell a replacement for such a dinky little thing.....although, frankly, I found it to be quite useful to protect the connector .
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Jul 23, 2010
I need to replace the power supply in my Mac Pro (2008) but I'm stuck at getting the small cover off. I've removed the metal plate that was under the optical drives (POV when looking through the side).
But it seems there's a small cover for the power supply that's similar to the big processor cover for the liquid cooled G5 towers. I can't figure out how to remove that.
Does anyone have a link to a manual or take-apart guide for the Mac Pro?
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Jan 4, 2010
I could purchase another power supply for my Apple TV? I managed to lose it during my last move.
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Nov 11, 2008
I just picked up my iMac g5 20" (2.0 GHz PPC) from the Apple Store for having the power supply replaced. Now I've lost all traces of the built-in Airport Extreme Card: When I click on the now hollow diamond-shaped Airport icon, I get a grayed-out prompt stating "No Airport card installed". Any record of an Airport Card under System Profile comes up with "No information found". My Airport Express does not show up in Network settings either.
Airport Express works fine in my Macbook Pro, so I know it's not something wrong with my Airport Express. I tried installing the "Login & Keychain Update", but can't: "You cannot install Login & Keychain Update on this volume. This volume does not meet the requirements for this update". Ran Disk Utility and came up with errors and unable to repair disk. The iMac was fine going in - except, of course, for the random shut-downs from a failing power supply.
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Sep 26, 2009
I have a MDD quicksilver with a bad power supply. I have done some research and have found that the MDD psu does fail more than most. One of the biggest problem is cost. As most of you know replacements run $125 and up What I would like to know is has any one found out what actually goes wrong in these psu's? With the amount that have failed I would guess it is a few components that are commonly going bad on each unit. If I cant figure out whats wrong with the unit, maybe a replacement? I have seen the standard atx power supply mod for the mdd but I was thinking something along the lines of the same form factor as the factory psu. the guts could fit in the factory psu enclosure with rewired new 24pin plug. Again I am just throwing this out there maybe some one all ready did this.
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May 26, 2009
Starting this morning an X has appeared over my battery icon. When I click the icon is says no battery available. When I check the system profiler it says no battery installed. When I click the button on the battery all 6 lights turn on. I have read similar posts to this that say when they unplug the power supply the mac turns off in a few minutes, mine however will stay on the same amount of time as if the battery was charged. I'm surprised that this happened because I bought a new battery 3 months ago because the original one short circuited when my hard drive went last summer.
I had to have the power supply constantly plugged in if I was using the computer. I tried shutting down the computer, removing the battery and restarting and that worked. However when I shut down, unplugged the power supply and tried to restart, it did not turn on. I'm hoping there is a solution as I use my laptop on the road often and not being able to turn it on without the power supply is a real inconvenience.
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Nov 29, 2010
As I just bought a 13" MBA, I am still in my "babying" phase of the machine and want its battery power/capacity to last as long as possible. I have already done the battery calibration recommended by Apple (not even sure if its 'necessary' but I did it anyways), with charging, resting, draining, resting, and re-charging. But now I am worried about the battery cycles. Should I only plug my MBA in when the battery is close to being drained (aka use it on battery power for most of my usage?) or is it okay to drain the battery to like 80% remaining, charge, and then drain to 70% remaining, then charge again? Im not sure if Im making sense, but basically I don't want to be wasting these valuable cycles, as they seem to determine battery health and longevity. So what is the proper battery usage for the MBA, or is it basically use off power when you want and use on power supply when its available?
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Dec 29, 2010
I have a PowerMac G5 with the first motherboard that is out of order, and another PowerMac
G5 Late 2005
with 2x2.0GHZ
Mounting the powersupply from the 2004 on the 2005 is the powersuply compatible or not?
EDIT: I looked on Mactracker and compared the two:
Max Watts in the first is 604W and 450W on the late 2005.
I want to put a powersuply from a G5 2004 (604W ) on a G5 2005 that had a 450W powersuply is this possible ?
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Feb 12, 2008
My 2*1.8Mhz G5 tower (second version) shutdown two day ago and refuses to turn up again. I have absolutely no sign of life, not even the external white led or the internal red one. I'm trying to figure out whether it is the power supply of the start button which cause the problem.
Is it possible to test a G5 power supply like an ATX power supply, by connecting two pins which would make the fans start ?
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Jun 26, 2009
Anyone know where I can buy an extra AC cable for the MagSafe 85W power supply that came with my late 08 MBP? I'd like an extra cable and I'm not interested in ponying up the dough for the entire power supply. I checked the Apple Store and Macmall, but haven't found anything as of yet.
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Jun 2, 2009
purchased a macbook Unibody back in October 2008 when they were released and use it heavily. The battery no longer holds a nice long charge - I get about 2 to 2.5 hours out of a full charge.
The battery has 149 cycles on it, which is obviously high (and correct, I use the hell out of it). With it still being in warranty, is it worth pursuing a replacement battery? Will Apple tell me to go take a hike with the high cycle counts?
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Nov 8, 2007
I made this a new topic because I think it is important enough to do so. Probably most of those that originally complained about this have moved on to the new MacPro but I am sure there are still enough G5 owners out there that still have concerns about this topic.
A clean install of Leopard eliminates the infamous power supply beeping
Its amazing, my G5 is like a new machine; no more of the annoying power supply beep; although, I learned to live with it after a while and didn't even notice it. However, the silence is now very noticeable.
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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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Nov 12, 2010
The MBP's a late '08 15" unibody. I know I obviously can't (or at least shouldn't) use the Airs power supply with the MBP.
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Oct 8, 2007
I hav" a "late 2004" G5 2.0 dual processor. To upgrade graphics card, I find many require a power supply splitter. Do I have a molex 4-pin connector? I can't see the location inside the box.
Information:
G5 dual 2.0, 2.5Gb
Mac OS X (10.4.3)
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Sep 20, 2010
Why does my Macbook Pro say that for "best results" I must plug it in when restarting and installing updates?
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Feb 9, 2010
I've been experiencing the following problem with my late 2007 MacBook Pro: I can't use it on batteries. As soon as I disconnect power supply, it works for 10-15 minutes and switches off. Not sleeps, but suddenly turns off completely. The system battery indicator drops by about 10% (showing 85-90% battery charged), whereas 4 out of 5 LEDs are lit on the battery itself. After such a sunned switch-off, I'm not able to start again the laptop - it doesn't react on Power On button - like the battery wasn't inserted at all. Right after I plug on power supply back again, everything gets back to normal and I can use it normally, but still only if it's connected to the electricity.
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Mar 2, 2012
Power supply partially expired on my 2.3GHz G5. Have found a donor. Manual says remove logic board before power supply. But you could remove power supply with board in situ on older G5s...
Info:
PowerMac, Mac OS X (10.4.1)
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Apr 20, 2012
When I try to power up my Macbook Pro with the AC wall power supply plugged in -it wil not power up -light blinks and I hear rapid 'beeping'. If I unplug the PS , it boots up but if I then plug in the PS, the Macbook will eventually freeze and I'll be prompted to power it down and restart.
Info:
MacBook Pro, Mac OS X (10.6.8), Will not power up with AC Power Sup
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Jan 3, 2009
This probably seems a bit ridiculous, but after having my first power supply melt and short out on me I've been completely paranoid of this happening again. My first power supply was one of the older models from 2006. I then got it replaced by one of the newer smaller models. After about a half a year it started twisting around on the inside of the cable which got me worried. The apple store wouldn't replace it unless it was melted so I called Apple and got a new one.
I've had the newer one for about a year and the cable seems to be wrapping around itself on the inside again. There doesn't appear to be a place where it's melting or breaking. I take care to not wrap it too tightly. Using it as a desktop replacement I'd like to not have to worry about leaving it plugged in when I'm gone. I find it crazy that this is even an issue but after having the first one melt right in front of me I find it hard to trust. Are the newer power supplies any better?
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Oct 30, 2009
I recently got a new macbook pro (thanks to Apple's great customer care/Customer Replacement Unit policy), and two days later, it got stuck under a moving chair, which peeled off the outer rubber insulation for the power supply cord. And a beautiful thing happened I used to notice that the magsafe power adapter would slip out when i was moving my macbook around from place to place a little bit too easily. Then I put 1 1/2 inches of electric tape about a centimeter away from the actual magsafe-macbook port, and the addition added just a little bit of resilience because of some sort of physics i can't explain. so if you want your magsafe to be a little bit stronger, but still pull out if you move it too hard, just add an inch of electrical tape to the end. works like a charm!
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Mar 16, 2009
It has no doubt come to the attention of many that the Radeon 4870 requires two PCIe six-pin power taps off of the motherboard, which is exactly how many allots. Say we wanted to use a GeForce 8800GT and a 4870 at the same time, which would require a total of three PCIe six-pin power taps. What I've read on the forums here indicates that powering them would be possible, but what ways would work?
As far as I can see, I've got two options:
1) Split one of the 6-pin power taps with a Y-splitter, and use the resulting two taps for one card and the other tap for the other card.
2) Use one of the ODD 4-pin molex power taps, convert it to a 6-pin tap, run it down to the card. But I'm running two optical drives; would it be possible to split one of those power taps into two, then run one out converted to a 6-pin and into the card?
I don't know nearly enough about the motherboards and power sources to know which way would work - if any - and if there is any risk involved. I'm running an early '08 mac pro, but I'm curious if this would work in other models as well. Anybody know enough about the hardware to say?
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May 8, 2009
i'm in desperate need of an APC backup power supply for my mac pro and acd. the old backup i've got (APC ES350) is not sufficient to power the mac pro and acd. i purchased the ES350 for my powerbook almost 7 years ago.
anyway, every time i have a power failure (it happens quite often), my entire system shuts down. which APC should i buy? i want to ensure that everything still runs for a good while so i can save everything before powering down completely.
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Jul 26, 2009
There has been plenty of discussions in the past re: CPU, HDD and RAM temperature, but what about the power supply on the Mac Pro?
My 08' MP reports 70 degree Celsius while the 09' MP reports 35 degree Celsius, while both machines are reporting an Ambient temperature of 27 degree. Why such a discrepancy?
How about your machine?
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Sep 12, 2010
The power supply fan in my 2010 3.2 quad just went beserk. Spinning at 2950 rpm. I suht down and restarted using the four finger solute (command-option-p-r) and it seems normal now.
What could have caused it to spin full speed? Maybe I should buy apple care . . .
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Jul 22, 2009
I was wondering if someone could tell me what power supply is used in the current oct/quad core mac pro. Also in the Power Mac G5 and early versions of the mac pro. I am thinking of buying a Power Mac or early Mac Pro second hand and will upgrade the GPU myself and just want to know what PSU (watts) they have.
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Oct 12, 2010
I am looking for a good quality replacement battery for my MBP. Battery model is a1281. There are literally hundreds available, but which ones are a good quality piece? Any info or links to the one you guys bought would be awesome. Also, is the original battery a 4600mAh or a 5200mAh? Ive seen both listed as the same a1281 battery.
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Jan 13, 2011
I noticed a drop in performance a couple of months ago in the MBP, but it's recently got a lot worse.
OS X is telling me it's ot issues, and I took to my nearest Apple Store a couple of months ago. However, I didn't know they'd need my MBP, I thought they could just test my battery, so I didn't get it replaced.
I bought the MBP over 1 year ago from an official reseller.
I've used programs to find out battery information, and I'm at half the cycles it should have before it starts to lose power, and it's health is low.
From your experience, will Apple replace it for free?
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Nov 23, 2009
Several posts mention Apple's refusal to repair swollen batteries.I'm still so surprised they do not consider replacing a part which is clearly not without risk.
Our research lab has 8 MBP's; 3 of them had swollen batteries after little more then 1 year. Each time, the battery kept on swelling after it was taken out. Two times, Applecare replaced the battery, but only after long chats where they had to be convinced that it didn't look normal.
Now, Apple refuses to replace the battery because it is out of warranty (16 months old - 334 cycles). This time I do not have Applecare but a 3 year contract with the shop. Apples tells me to go the shop (their only officiea repair center in the region).
The shop is not able to obtain a battery from Apple either, although the shop says it is clearly a manufactuing issue.
I understand lithium batteries can explode and burn at some point.
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