i am trying to upgrade the memory on a macmini,at present it has 2 1 gig cards in they are as written on the chip 1gb 2rx16 pc3-8500s-7-10-1a,when you check it on the hardware spec through about this mac .it shows as 1gb ddr3 1067. i have attempted to install two 2gb 2rx8 pc3-8500s-07-10-f2 when installed the give me the dreaded bleeping sound can any one give us help on why these memory chips don't seam to work i have checked that they are seated properly and repeated the install twicei have taken these chips out of MacBook Pro so i know they are ok all the chip on both mc read as ddr3 1067mhzany explanation would be helpful as i am now got two 2gb chip that i cannot make use of regards richard
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