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Current version by: Ron Davis ,

Text:

Hi! I'd first try to reset the PRAM. While connected to AC and with the power off, hold down the power button for about 10 seconds until you hear a tone and see the sleep light flicker.
-Next, try reseating the RAM, and test the slots one at a time by booting with one empty, and then the other.
+Next, try [https://www.ifixit.com/Guide/MacBook+Pro+15-Inch+Core+2+Duo+Models+A1226+and+A1260+RAM+Replacement/652|reseating the RAM], and test the slots one at a time by booting with one empty, and then the other.
Is the screen black or white, and if it's white, are there any icons on it? If it's white, try booting while holding down the option key and let me know if you see the option menu.

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Edit by: Ron Davis ,

Text:

-Hi! I'd first try to reset the PRAM, i.e. connected to AC and with the power off, hold down the power button for about 10 seconds until you hear a tone and see the sleep light flicker.
+Hi! I'd first try to reset the PRAM. While connected to AC and with the power off, hold down the power button for about 10 seconds until you hear a tone and see the sleep light flicker.
Next, try reseating the RAM, and test the slots one at a time by booting with one empty, and then the other.
-Is the screen black or white, and if it's white, are there any icons on it? If white, try booting while holding down the option key and let me know if you see the option menu.
+Is the screen black or white, and if it's white, are there any icons on it? If it's white, try booting while holding down the option key and let me know if you see the option menu.

Status:

open

Original post by: rdklinc ,

Text:

Hi!  I'd first try to reset the PRAM, i.e. connected to AC and with the power off, hold down the power button for about 10 seconds until you hear a tone and see the sleep light flicker.

Next, try reseating the RAM, and test the slots one at a time by booting with one empty, and then the other.

Is the screen black or white, and if it's white, are there any icons on it?  If white, try booting while holding down the option key and let me know if you see the option menu.

Status:

open