![]() Apple support page for "MacBook: How to remove or install memory" ( ) does say that Mid-2009 Macbook supports 4 GB PC2-6400 DDR2 800 MHz Type gr8tflyįrom the link you provided first we tried: ![]() Macbook A1181, 2.4GHZ Intel Core 2 Duo, 2GB 667MHZ DDR2 SDRAM, Boot Rom Version 00 it just keeps beeping.Īny help is greatly appreciated. He's tried holding 'C'/Shift/Options/Alt and power button etc. Now when he boot up the Macbook, with Mac OS X (I think it's 10.5.8) Install Disc# 1 inside the drive, all it does is beeping. Also, by now he's removed and reinstalled the original memory 5 times to make sure that they've seat in properly. But since Macbook won't power at all with 4GB 800 MHz, he has put the original 2GB 667 MHz memory back. ![]() Second he tried to replace newly bought Kingston Apple 4GB(2x2GB) DDR2 800 MHz ( ) with original 2GB(2x1GB) 667 MHz memory. First he erased the hard disk using DBAN. I'm helping a friend here trying to get his Macbook back up n running as his Macbook A1181 won't boot and keeps beeping on startup, nothing shows up on the screen, not even an apple logo (screen stays blank/black).
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