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Macbook Core 2 Duo EFI install failure
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Mac Elite
Join Date: Sep 2000
Location: Boynton Beach, Florida, USA
Status:
Offline
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I was trying to help my mother update her Macbook...I followed the EFI instructions...at least I think it did...now all it does on start up is beep 3 times short, 3 times long, then 3 more short, and restart over and over. It is long out of warranty...when I insert a snow leopard install disc and hold the c key...it just spits out the disc after a while...I also can't get the Macbook to connect in target mode via firewire 400. Any suggestions? 
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2.7Ghz 15" Mid 2012 MBP 16GB RAM 7.2k 750GB HD anti-glare display|64GB iPad4 ATT LTE|
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Addicted to MacNN
Join Date: Aug 2006
Location: The deep backwoods of the PNW
Status:
Offline
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Try resetting the PRAM by holding down Cmd+Option+P+R and pressing the power button. Wait for it to chime once, then chime a second time, then let go of the keyboard keys.
If that doesn't work, also try resetting the SMC. Info on how to do that for your machine is here.
If none of that works and the machine is under warranty, make an appointment at the Genius Bar at your closest Apple Store and see what they can do for you.
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Sell or send me your vintage Mac things if you don't want them.
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Clinically Insane
Join Date: Jun 2001
Location: planning a comeback !
Status:
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[o/t]
Hey shifu, long time no see. Glad to have you back. Merry Christmas. 
-t
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Moderator Emeritus
Join Date: Apr 2005
Location: Cambridge, UK
Status:
Offline
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Shif, can't you make a CD to recover the machine in event of a bad firmware flash? I'm sure I read about it sometime?
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Moderator Emeritus
Join Date: Apr 2001
Location: Wasilla, Alaska
Status:
Offline
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Moderator Emeritus
Join Date: Apr 2005
Location: Cambridge, UK
Status:
Offline
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Moderator Emeritus
Join Date: Apr 2001
Location: Wasilla, Alaska
Status:
Offline
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Probably. I was lazy and didn't look for the exact one.
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Mac Elite
Join Date: Sep 2000
Location: Boynton Beach, Florida, USA
Status:
Offline
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Thank you to everyone who contributed to this thread, I will make the disc right away and give it a try!
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2.7Ghz 15" Mid 2012 MBP 16GB RAM 7.2k 750GB HD anti-glare display|64GB iPad4 ATT LTE|
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Mac Elite
Join Date: Sep 2000
Location: Boynton Beach, Florida, USA
Status:
Offline
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Problem solved! I didn't describe the Macbook in sufficient detail, it is a Late 2007 13" 2.0Ghz Macbook, as such it needed Firmware Restoration CD 1.6. I've learned something new...I've never had a firmware update go south on me before. Thanks to my fellow Mann'ers I now know would to do should it happen again.
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2.7Ghz 15" Mid 2012 MBP 16GB RAM 7.2k 750GB HD anti-glare display|64GB iPad4 ATT LTE|
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