Switchable graphics on my laptop?

I recently got a new computer: the hp envy 14

it says that it has switchable graphics which allows me to choose either ati 5650 or intel chipset



how am i supposed to change it? where in the control panel or bios can i?

also how do i turbo boost my i7 machine? or is it automatic



thanks in advanceSwitchable graphics on my laptop?
u can change it on bios configuration

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