Help the update driver GeForce 640 M

Hello

I use an iMac (21.5 inch, at the end of 2012) and I have a question for the graphics card, an NVIDIA GeForce GT 640 M 512 MB.

For awhile now this iMac is has been rotating more slowly than anticipated, especially with some games. I regularly install software updates, but I was wondering what I need to also install the updates for the graphics card too? After reviewing the NVIDIA site it seems that drivers are available since June this year. However, it does not list any Mac OS among the available download types. There are different versions of windows, 32-bit Linux, 32-bit ARM and Linux 64-bit linux.

So I let him or should I download an NVIDIA driver? If so, which?

Thank you!

J

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Tags: Mac OS & System Software

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