Solved: Issue installing NVIDIA GeForce 820M drivers for Windows 7 6... - HP Support Community - 4149372
![Nvidia GeForce GTX 555 OEM vs Nvidia GeForce 820M Benchmarks, Specs, Performance Comparison and Differences - GadgetVersus Nvidia GeForce GTX 555 OEM vs Nvidia GeForce 820M Benchmarks, Specs, Performance Comparison and Differences - GadgetVersus](https://gadgetversus.com/img/Nvidia_GeForce_GTX_555_OEM.jpg)
Nvidia GeForce GTX 555 OEM vs Nvidia GeForce 820M Benchmarks, Specs, Performance Comparison and Differences - GadgetVersus
![Lenovo Z40 (with GeForce 820M) can't use NVIDIA graphics properly on Kubuntu 18.10 - Linux - NVIDIA Developer Forums Lenovo Z40 (with GeForce 820M) can't use NVIDIA graphics properly on Kubuntu 18.10 - Linux - NVIDIA Developer Forums](https://global.discourse-cdn.com/nvidia/optimized/2X/6/6499670fffbc7f96b468aa76be051b642524f8cd_2_690x455.png)
Lenovo Z40 (with GeForce 820M) can't use NVIDIA graphics properly on Kubuntu 18.10 - Linux - NVIDIA Developer Forums
![HP 15-R007TX 15.6-inch Laptop (Core i5 4210U/4GB/1TB/DOS/Nvidia GeForce GT 820M 2GB DDR3 Graphics/with Laptop Bag), Black : Amazon.in: Computers & Accessories HP 15-R007TX 15.6-inch Laptop (Core i5 4210U/4GB/1TB/DOS/Nvidia GeForce GT 820M 2GB DDR3 Graphics/with Laptop Bag), Black : Amazon.in: Computers & Accessories](https://m.media-amazon.com/images/I/51OgJiQ7ZJL._SX450_.jpg)