There are plenty of "how-to" videos on YouTube showing how to do the upgrade. (compatible with an Acer Aspire 'Happy2' Laptop PC). UNIFOSA - 1GB GDDR3-1333 (GU672003EPO200)This RAM is suitable for various different laptop computers, including an 'Acer Aspire Happy2' notebook, which can be upgraded to have a maximum of 2GB RAM.
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