Solve : which memory do I need for a HP a6042n???

1.	Solve : which memory do I need for a HP a6042n???
Answer» I need a little help.I am not sure which memory I need to get.. My computer has 2 sticks of 512 ddr memory? and 2 slots are empty.. I found this page with the memory info for my computer.. http://h10025.www1.hp.com/ewfrf/wc/document?docname=c00883080&cc=us&lc=en&dlc=en&product=3409102 but am not sure which memory to upgrade to. can I get 2 1 gigs? would it interfere with the 2 512's? I have looked at a few sites, but the TYPES I have seen are confusing to a older gal like me. Can anyone SUGGEST a good brand, for my computer that will not burn out fast. Tia for the help. Cherylfollow TEH below link and run the scanner. It will tell you EXACTLY what kind of ram you can use. http://www.crucial.com/systemscanner/

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