Solved: Issue installing NVIDIA GeForce 820M drivers for Windows 7 6... - HP Support Community - 4149372
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Acer Laptop Intel Core i3 4th Gen 4030U (1.90GHz) 4GB Memory 500GB HDD NVIDIA GeForce 820M 15.6" Windows 8.1 64-Bit E5-571G-38VF - Newegg.com
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Lenovo Z40 (with GeForce 820M) can't use NVIDIA graphics properly on Kubuntu 18.10 - Linux - NVIDIA Developer Forums
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