MacBook Pro :: PRAM Battery Dying On 38th Week 2009?
Apr 4, 2012
Now normally I wouldn't expect it in an under 4 year old machine, but the normal battery is working as expected. However, when I'm not plugged into power, my WiFi doesn't always reconnect, and when it does, the internet doesn't seem to connect either 90% of the time. When I'm plugged into power, no problem. 3 other machines on the same wireless network have no issues with it, though my cable company says they are detecting intermittent signal loss, which I can't reproduce on any other machine. The other reason I believe it is the PRAM battery and not the main battery, is during one reboot, the date reset itself to year 2000. Once I managed to reconnect the internet, I was able to set the date & time to the time server.
Info:
10.7.1 iMac 5,1 MacBook Pro 3,1, Mac OS X (10.7.1)
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Jun 24, 2012
my battery on my macbook is dying so fast! for example i had my mac opened and on facebook while iwas doing my make up and in a hour it went from 80% to 48% is that normal if not what can i do to make it last longer??
Info:
MacBook Air (11-INCH, MID 2011), Mac OS X (10.7.4)
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May 23, 2012
My MacBook Pro is 1 year old, almost to the day and my battery seems to be loosing all it's juice quite quickly these days. The battery cycle count is only 94. This morning I turned my computer on and I've only done emails. It's now about 4 hours since it's been on and I have 20% battery left. Bluetooth is turned off. Not doing anything any different than I used to. Seems to me the battery used to last 4 days for what I do with the computer. Now I charge it 2 or 3 times a day. I notice the underside of the laptop seems to get quite hot.
Info:
MacBook
Pro, Mac OS X (10.6.8)
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Jul 2, 2014
I play a game called League of Legends which is fairly computer intensive. While playing, my battery continues to discharge continuously even though I have it plugged into the wall. I can usually get 3-4 games in before I have to stop and let the battery recharge. I have already decreased the screen brightness to half, turned off the keyboard back-light, and made sure that bluetooth was off yet the issue persists. I have noticed that the light on the charger seems to change colors often. It will cycle from green to orange to off then back to green again etc.
I have an early 2012 15" Macbook Pro with the latest version of Mavericks OS.
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Oct 19, 2009
I think my PRAM battery is dead (date resets to January 1st 1970 when started up with main battery removed) but I can't find a replacement PRAM anywhere (I'm in the UK). According to iFixit the part number is 820-1686-A - is this the only PRAM module that will work in my machine? (I've seen lots of other similar looking parts on eBay, but with different part numbers). Also, is it not possible to actually just replace the battery, not the whole circuitboard? It looks like a regular watch battery I could pick up for $5 from the pic.
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Dec 10, 2014
I have a macbook pro that is simply dead. I have tried an SMC reset, a PRAM reset, and I bought a new battery. I see the green lights on the back of my battery and the power cord is an apple cord that appears to be just fine. I have also tried to power on the computer with the power cord plugged in but the battery out.
Worth noting that I do not hear any fans, any clicks, or *any* indication that the computer is trying to power up. The only signs of electricity are the green lights on the battery and the small charging light one sees on the cord when plugged in to the computer.Â
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Jul 28, 2008
one of my Al Powerbooks decided to kernel panic twice in the past two days and both times fail to start up afterwards. The symptoms would be that when I pushed the power button, I wouldn't hear the Apple startup sound and it would just sit there.
Well, after a few tries and some sadness, I decided to remove the PRAM battery card and voila, computer boots up perfectly! This has actually happened twice (removed PRAM card, booted up, then put PRAM card back in, then eventually exact same situation occurred again), does anyone know if a PRAM battery card can possibly wreak suck havok on a G4 running Leopard.
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Sep 4, 2009
My Apple Wireless Keyboard Stopped Working, i don't know what problem it is. its just stop, after i leave it one week without battery. this keyboard just 2 months old, any suggestion so i can get it repaired...?, is it possible to bring keyboard to apple retailer, and get it fixed there ?
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Apr 3, 2012
How do you locate and/or change the PRAM battery in an iMac G5 (iSight)?
Info:
iMac, Mac OS X (10.5.8), PPC, 20", G5
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Jun 22, 2007
My Powerbook will not power on. I have followed some instructions on disconnecting the PRAM battery and that did not work, any ideas? I just stopped coming on without any explination.
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Apr 15, 2012
I have a Mid 2009 MBP running with Lion. I've notice a message that says "Repair Battery" under system preferences/battery. I didnt noticed anything strange with my battery life, but I want to know if I have to do something.Â
Info:
MacBook Pro, Mac OS X (10.7.3)
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Nov 21, 2010
Looking into getting a SSD 128GB for my 2009 uMB but I am wondering if that helps extend your battery life because I am getting 3.5 to 4 Hours on a single charge now. I just wonder if I can get more than 5 hours out of the battery with an SSD, then I can use the external drive for everything else but OS and Applications.
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Jul 6, 2010
My battery life is very bad. goes down 40% in half an hour just viewing the internet. Only one year old, still have warranty with Applecare. Will I be able to exchange it for a replacement, how does this work?
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Apr 21, 2010
I have a late 2009 MBP 13". Can I put the new 2010 MBP's battery in my MBP?
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Apr 21, 2010
So I calibrated my battery last night in hopes of bumping up it's longevity, but with no success. Right now I'm at 100% charged, at exactly 50% brightness, Word and Powerpoint open, with the usual browsing. No music or video playing etc. The time remaining is approximately 4 hours. I checked coconutbattery and it says that the capacity is 100% with 201 cycles and 7 month age. Why is it not showing 5:30 to 6 hours (sometimes even 6:30) like it did only 2-3 weeks ago. Shouldn't the calibration help the longevity of the battery?
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Jul 25, 2010
Can anyone who has used both tell me if there really is a noticeable battery life increase?
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Apr 27, 2012
what are the battery cycles for a late 2009 MacBook.I see that it is starting to drain my battery like really fast, here I have been typing this and have watched my battery go down 10%.
Info:
MacBook, Mac OS X (10.7.2), Also MacBook 2.2 13.3", and now an iPad
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Jul 4, 2012
I have problems with the battery of my macbook mid 2009 and would like to know if I can replace it by warranty since I bought the applecare, I am currently in Venezuela and here I was told at the authorized service center when they opened the case in apple technicians indicated that they change does not apply because it has 360 cycles and apple and just change up when they have 200 cycles and Latin America also does not apply to the warranty, and the warranty is almost expired I have until July 16,
Info:
MacBook
Pro, Mac OS X (10.7.4)
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Jun 24, 2012
the other night my girlfriends white 2009 Macbook (was updated to lion) stopped recognizing the battery. Only would boot when plugged into AC. I have other Macs so I tried different power adapters and switching in a battery that I knew was charged from another Macbook, and still did not recognize. Both batteries show 80% full or more when button pressed on battery. I moved it to my office to debug, requiring that I shut down and move the power cord. Then when I booted up, it started shutting down 10 seconds after reboot to user screen. I did the SMC reset and the PRAM resets, did Safe mode checking. Mac would still not "see" the battery or stay on for more then a few seconds even on AC. I then used the Snow Leopard install DVD and disc utilities, did a complete erase of the hard drive and reinstall of the Snow Leopard DVD. That took around 30 minutes, and the Macbook stayed on the entire time during reinstall. 1st boot after reinstall, stayed on long enogh to "set up" a user, then the shutdown problems appeared again. Â
Not entirely sure, as the power light on the front has been faulty for over a year, so i can not see if it is "on", but if I plug in a thimb drive, the thumb drive light blinks as if it is getting poweer, I would think thta means the computer is on, maybe the display is just shutting off? I do not have the original install discs, just the Snow Leopard 10.6.3 install DVD and a Lion install thumb drive, how can I do a AHT?Â
White Macbook early 20092 Ghz Intel Core 2 Duo2 Gb Ram
120 GB Harddrive
Serial W8909P004R1
Info:
MacBook, Mac OS X (10.6.3)
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Nov 11, 2010
when I bought this thing, I easily got 5 hours, but two years later and 489 charge cycles (according to coconut battery) I am lucky to get 3 Solid hours of web browsing.What is the life span of these batteries, I am assuming I might just go to Apple and buy another one for $129.00 a rip off but what can I do, I will not use another brand of battery.
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Oct 20, 2009
would like to know. 15" model. I've also seen a thread about taking the ODD out and adding another HDD or SDD, but can't find the thread.
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Aug 17, 2010
I saw some threads where it is recommended to calib the battery if the person is using the laptop from the AC power for the most of the time.Plugged in for 2 hours. (with full charge)Let the computer do some heavy works.the computer automatically shut down.I had to go for work, so I left the computer the way it was for 9 hours.
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Oct 31, 2010
I have a late 2009, white unibody MacBook which is 7 months old, and I have been noticing that the battery life is getting less and less, and am rather confused.I reset the SMC as per Apple instructions, and then followed the battery calibrating guide to the letter from apple.com, and tonight it seems to have lasted... 3.5 hrs! Hardly the quoted 7 hours that Apple spec, and I am simply doing light web browsing, nothing else.Am I doing something wrong? The machine sits connected to magsafe 90% of the time, but I cannot envisage that would cause any problem, as it knows when it is charged, so afaik no more current can get to the battery to damage it
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Jun 15, 2012
what is the current cost of battery replacement for a mid 2009 13" macbook pro
Info:
MBP 13, Mac OS X (10.6.7)
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May 20, 2009
How good is the realistic battery life of the base MacBook White 2009 for both playing a game on Windows Boot Camp and just browsing the internet over WiFi?
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Jun 29, 2010
I have been using it today for only about 2 hours for internet only and its at 55%. is this normal at all??
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Feb 11, 2012
In the apple store they told me that i had do something to my mac to keep it clean and free from bad stuff at least once a week. This was not a program they had installed but it was already on the mac. I have a mac book pro 13'.
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Apr 9, 2012
I suspect my centre RAM slot (closest to HDD) is faulty or on its way out. Have been troubleshooting a problem and can only replicate it with this RAM slot occupied and the other empty. Error is flash video playback becoming juttery/sticking before continuing. Occasional kernel panic. Has anyone else had this problem before or experienced a dead RAM slot?
Info:
Macbook (early 2006), Mac OS X (10.6.4)
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Jun 30, 2012
I have an early 2011 15" MacBook Pro, and about three weks ago the screen suddenly went completely black. I can't remember what I was doing at the time, but I don't think I was inputting in any way. The only way I could revive it was to press and hold down the power button until the boot-up tune started playing. I thought it was a one-off, but it has now happened twice more. The last time was this morning. I had opened the lid to wake it from it it's overnight sleep, looked at one text document and close textedit. Then I saw I'd received an email, (I always leave Mail running), so I clicked on the Mail icon and opened the message. I was just reading the message -and not inputting- when the screen just went black without any warning whatever. The Apple logo on the lid also went out.Â
I closed the lid and left it twenty minutes to see if it would wake up normally when I re-opened the lid, but no, I had to press and hold the power button to re-boot. There was an error message displayed when my computer came back to life, but it wasn't very informative. It had a complex report log, which I copied and saved, but it means nothing to me. I believe that data was then sent to Apple. I don't remember this happening before I upgraded from 10.6.x to 10.7.4 in mid-May, but it didn't happen straight after the upgrade so I can't be sure it's related.Â
Info:
MacBook Pro, Mac OS X (10.7.4)
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Sep 17, 2010
Are there any cons to purchasing a refurbished MacBook Pro? My original has been on its dying leg for the past few months. Had it since 2003! I'm not in a position to spend so much money on a brand new MBP. Has anyone bought there Mac refurbished?
What has been your experience thus far?
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