Hi
Like to upgrade Ram on my notebook.Planing to add 512 mb with existing 512 mb which is Samsung DDR2 PC2 533 4200. Purchased a stick of Crucial DDR2 PC2 533 4200 put it into the open slot and restarted the laptop but it shows still 512. tired to interchange the slots the memory to become a shoddy work,put the new stick in either slot and it still showed 512mg. Any ideas here I could use some help.
Thank you all valuable information
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