4GB Memory Upgrade for Acer Aspire 5102WLMi

4GB Memory Upgrade for Acer Aspire 5102WLMi I have bought a 4GB memory upgrade (2x 2GB PC2-5300 SODIMM) for my Acer Aspire 5102WLMi (Aspire 5100 Series) laptop, I installed the two memory modules correctly however with 4GB installed the laptop refuses to POST. I have tried the following:
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The solution in the end was to reset the BIOS, there is a small jumper located beneath the SODIMM slots labelled J2. After removing the battery, I shorted this with a screwdriver; after putting the laptop back together it booted up with a warning the the CMOS memory was invalid. Set the BIOS up again as per my preferences and now I have my 5102WLMi working with 4GB of RAM.