RAM upgrade—macbook not booting

can think of reason computer wouldn't boot after upgraded ram?

pny optima 4gb (2x2gb) dual channel kit ddr2 667 mhz pc2-5300 notebook / laptop sodimm memory modules mn4096kd2-667
(http://www.amazon.com/gp/product/b000t8wn8u/ref=oh_o04_s00_i00_details)

tried booting off of each card independently , neither works, when boot off of 1 of old 1gb chips , 1 of new 2gb, system profiler registers both cards , says have 3gb ram installed.

i'm on macbook3,1
intel core 2 duo, 2.2 ghz
bus speed of 800 mhz

ton.

 

not pny pc5300 ram again !!

have @ thread

http://forums.macrumors.com/showthread.php?t=1214933

- should answer questions

, send ram amazon

 

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