1. There is no special way to install the Nvidia driver. It's supposed to be done in the usual way. The package manager should work fine, probably better than the "official" Nvidia way nowadays.
2. There are som experimental approaches regarding switching cards on and off after boot, se my earlier posts in this thread. I haven't been able to get anything good out of it though.
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As I said, you're supposed to be able to switch graphics mode in the BIOS setup, even with 1.16. The choice is below the one you mentioned about SATA on my laptop. I have BIOS 1.15.
Are you sure you have a version of the laptop with the Nvidia circuit? It seems that Acer also sells a model wih only the integrated Intel graphics (I guess that's the one called just "5745" as compared to "5745G"). It would be very logical if that's what you have, except the part where Ubuntu suggested the Nvidia driver.
should tell you something about the graphics circuit. If nothing Nvidia related is mentioned by lspci, and you don't have an option to explicitly enable Nvidia graphics in the BIOS setup, then you should remove the Nvidia drivers and run on Intel graphics.Code:lspci | grep VGA
If the Nvidia circuit demonstrably works in Windows, then something is weird. Without that information it could be eiher a faulty circuit, a laptop without Nvidia graphics or a new laptop revision without possibility to reveal the Nvidia chip.
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