Question about Acer Extensa 4620 Notebook

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Extensa 4620 memory upgrade

Just bought an Acer Extensa 4620-6456 with 1MB ram (supposedly 2 512 MB) but researched it before purchase so I also bought 2 1GB DDR2 667MHz modules for an upgrade. When I opened the back I could only find 1 ram slot filled with 1 stick; also I run Belarc Advisor and it says I only have 1 slot filled with 1GB stick. I need help resolving this - do I need to return the 2 ram sticks and buy 1 2GB sticks?

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According to the manual up to 4gb on two .soDIMM for model ex4220 only.SO yes. I would  take them back and get one 2Gb strip. Download and read the manual first, in case I missed somethng. 
Your User Manual: http://csd.acer.com.tw/acer/URMUL1.NSF/1af87a750eeeb70f0825628f006e0bfc/c434e20d60a3befe482573560024cc6e?OpenDocument

Posted on Jan 19, 2009

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Hello

I had this problem a few months back, but first you must be sure that you purchased the correct ram modules. It turned out, cause we tested the modules i baught at a friend's as well. The modules was broken. Hope this can help you.

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