PLEASE NOTICE THE SCREEN BLINK
1. This happens anytime ! 5 times a day or even once or twice in 2 or 3 days
2. Extremely Random
3. Only occurs on the 9400 Graphics setting for better Battery life & NEVER happens on better performance setting (9600 Graphics setting)
4.Occurs while working anytime on any program.
5. Once also occurred while it was rebooting.
6. Serial number of my Mac is W890319M1G0 for your reference.
7. Google listed many websites about the problem, but here is one for your reference and the PRAM has been reset many times.
http://reviews.cnet.com/8301-13727_7-...
I have no idea what to do next.
ACTIONS TAKEN
1. My Logic board and Display have been changed by RSG in September 2009 and Still problem is not solved.
2. PRAM has been Reset
3. Clean install has been done 3 times.
4. Problem persists with Mac OS Leopard and SNOW LEOPARD.
Apple Please Help