Lenovo IdeaPad Y400 Guide De L'utilisateur page 11

Y400&Y500 User Guide V1.0_ml.book Page 7 Tuesday, August 7, 2012 10:39 AM
Using the removable graphics
The GPU performance varies depending on the adapter power rating. By using both
the battery and connecting a 170 W adapter, the dual discrete GPUs can work at their
optimum capacity.
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