QUOTE(leslie88 @ Aug 31 2013, 05:26 PM)
dear all,
how to install nvidia optimus , i tried couple of ways but cant ?
Which model are u using?
If Y500 then no optimus support, only Y510p with optimus support.

Y510p SLI can setup to:
- either single gpu mode with optimus support for mobility
remove battery then remove ultrabay gpu gently (dont break the plastic holder), swap in DVDrom if needed, put back battery and use 120w adapter, install Intel HD4600 drivers.
Device manager & gpuz should show GT750m & Intel HD as in pic.
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- or dual gpus mode without optimus support for performance boost
repeat above steps to swap in ultrabay gpu and use 170W adapter, enable SLI in Nvidia control panel.
Device manager & gpuz show two GT750m.
Also refer guide quoted below to maximize ur battery life or performance.
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QUOTE(ytlay @ Aug 18 2013, 05:37 PM)
Thanks.
For those with Y510p, remember to choose auto select in Nvidia contro panel and power saver in power management to maximize battery runtime as per below step.
In Lenovo power management, change power plan to
- high performance for max performance with shortest battery runtime
- balanced performance for average performance/ battery runtime
- power saver for min performance with longer battery runtime
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In Nvidia control panel > manage 3d settings > Global settings >preferred graphics processor and choose
- high performance to enable discrete graphic card (ie GT750m) for max gaming performance
- integrated graphics ( Intel HD4600 )
- auto-select (enable Nvidia optimus for auto switching of GPUs for longer battery life)
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This post has been edited by ytlay: Aug 31 2013, 07:29 PM