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No Low Battery Warning, and no Open Firmware.
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Fresh-Faced Recruit
Join Date: Jan 2007
Status:
Offline
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Herro Everyone!
I have some problems w/ my MacBook Pro. My battery runs out w/o a low battery warning - i followed some links on this by Googling for it, and the few solutions haven't worked for me...
1. Reseting -NVRAM as per Startup Key Combo's at http://support.apple.com/kb/HT1533
I started up and held the keys and all that happened was the my computer made the little HDD spin sound when you start, the mac startup tone, then repeat, nothing else. The website says wait for 2 beeps, but after holding and watching the computer cycle through power like that 3 or 4 times I stopped and concluded that it just wasn't working.
2. Booting into Open Firmware, http://www.kernelthread.com/mac/osx/arch_boot.html, didn't work either. It simply won't boot into Open Firmware but straight into Leopard.
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regards,
reza r naghibi
macbook pro 15.4" intel core 2 duo
2.33 GHZ - 2 GB 667 MHz DDR2 SDRAM
ATI Radeon X1600 256 MB
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Posting Junkie
Join Date: Oct 2005
Location: Houston, TX
Status:
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OpenFirmware is deprecated, all Intel Macs use EFI instead.
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Fresh-Faced Recruit
Join Date: Jan 2007
Status:
Offline
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Okay. So what can I do given the problems described?
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regards,
reza r naghibi
macbook pro 15.4" intel core 2 duo
2.33 GHZ - 2 GB 667 MHz DDR2 SDRAM
ATI Radeon X1600 256 MB
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Clinically Insane
Join Date: Oct 2000
Location: Los Angeles
Status:
Offline
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"The natural progress of things is for liberty to yield and government to gain ground." TJ
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Senior User
Join Date: Apr 2002
Status:
Offline
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Addicted to MacNN
Join Date: Oct 2001
Location: BFE
Status:
Offline
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Your battery is probably defective. If it is under warranty, go to the Apple store and have them get you a new one.
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I'm a bird. I am the 1% (of pets).
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Posting Junkie
Join Date: Nov 2000
Location: in front of my Mac
Status:
Offline
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Fresh-Faced Recruit
Join Date: Apr 2007
Status:
Offline
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I'm having the same issues. I'm on my 3rd battery already ... and my Macbook Pro isn't even 2 years old yet. The 2 times my battery has gone low, I've contacted Apple. They sent me battery replacements for free both times.
Also, my battery doesn't seem to last long when using battery power alone. I'm lucky if I can use the computer for 2 hours before the battery dies. It's been like that since the day I bought the computer. I informed Apple about this and they say it's possible that the trouble is because of a defective battery. Well, this is my 3rd battery and it still acts the same way. Hmmm.
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