Lenovo B590: RAM upgrade is not detected

Hi all

Yesterday, I bought a chip of PC3-12800 CL11 204 pins SODIMM RAM Kingston 4 GB of my local store of hardware because I wanted to update my Lenovo B590 memory, which - by default - has 4 GB of DDR3 RAM installed. I have double checked if memory was compatible with my B590 calling Lenovo support and searching the Web (which gives this message, for example). The two sources confirmed the upgrade should not be a problem if I did not exceed the limit of 8GB. However, after that I had plugged the RAM, I found that it was not recognized by my OS (Windows) and my BIOS. They are always saying that I only have the factory installed 4096MB.
How can I make my system use this RAM upgrade? Please help, you have my gratitude!

Note: when I determine which RAM to buy, I've checked also which type of memory was already installed in my B590 by the manufacturer. I unscrewed my notebook and found a chip, brand Hynix memory, I assumed it was a single 4GB chip. However, the search results for of his series on the web show it is in fact a DDR3 SDRAM 2 GB chip. I checked my hardware, but could not see any other chip (even though I'm 100% sure that my system has 4 GB of RAM installed by the manufacturer). If this has nothing to do with the above? Thanks again!

RESOLVED: The RAM chip is not inserted properly in the additional location. All works fine now.

Tags: Lenovo Notebooks

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