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Not booting. White flash when power button is presssed

A

ango1708

macrumors newbie
Original poster
Jun 29, 2008
13
0
Hi
I have an white Macbook (+/-2007). Last week it won't boot anymore.
When I press the power button the screen flashes white very quickly and the Fan almost begins to turn.
I have replaced the battery pack, RAM. The Hard-drive is still good (I've recovered my data via external enclosure).
Yesterday I disassemble the case to see if a wire was lose or something had burn, but everything looks OK..!!

Can someone help me?
 
cluthz

cluthz

macrumors 68040
Jun 15, 2004
3,118
4
Norway
Have you taken battery out, then hold in powerbutton for 30 sec.
Reseat battery, hook up power and try start it.
 
A

ango1708

macrumors newbie
Original poster
Jun 29, 2008
13
0
Yes. I've tested that too. also resetting the PRAM (alt,option,r,p ON).
 
F

fluffyx

macrumors 6502
Oct 25, 2007
313
1
A DC-in board (power inlet) would not be expensive, but these symptoms are not caused by a DC-in board.

You need a main logic board repair, which should cost about $280 as long as there was no liquid damage.
 
K

kbfr08

macrumors 6502
Mar 16, 2007
462
29
Most likely the logic board. You could try removing the battery that's located underneath the logic board for a few seconds. Just remember you'll need to disassemble almost the entire laptop to get to this.
 
chas0001

chas0001

macrumors 6502a
Sep 18, 2006
804
0
Alicante, SPAIN
My Macbook's power light started to flash because of bad RAM. Do you have the stock Apple RAM installed or are you using 3rd party RAM?
 
A

ango1708

macrumors newbie
Original poster
Jun 29, 2008
13
0
The Screen (monitor) flash white (1xtime).!! not the small power light infront the macbook or the power connector light
 
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