You cannot disable the dedicated GPU on an iMac, as that is its only GPU. The only thing you can do is disassemble the machine, and upgrade the MXM GPU.
You can add location information to your Tweets, such as your city or precise location, from the web and via third-party applications. You always have the option to delete your Tweet location history. Learn more
You cannot disable the dedicated GPU on an iMac, as that is its only GPU. The only thing you can do is disassemble the machine, and upgrade the MXM GPU.