Hi I have a Lenovo G505s with an A10-5750M but when I decided to go from 8GB ddr3 to 16GB ddr3 at 1600ghz he shows on system installed 16GB but only 7.20GB usable, any help here? Using windows 10 64. Thanks
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https://ibb.co/hAmXca
https://ibb.co/nJekxa
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https://ibb.co/nMp2ca