Dell XPS 15Z (L511Z, Mid 2011) - Manual (Page 50)

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Using Your XPS Laptop
3D Photos
You can view stereoscopic 3D photos using
the NVIDIA Photo Viewer available in the
NVIDIA 3DTV Play application. The photo
viewer also allows you to edit the 3D effects
on the photo.
NOTE: For more information on using
the photo viewer and to download 3D
photos, go to www.nvidia.com.
NVIDIA Optimus
Technology
Your XPS laptop is equipped with NVIDIA’s
Optimus technology. The Optimus
technology enhances the performance of
your computer, while minimizing the impact
on battery life. It enables you to combine the
graphic processing capability of the integrated
Intel graphic processing unit (GPU) with the
discrete NVIDIA GPU while running graphic‑
intensive applications such as 3D games.
The NVIDIA GPU is turned on only for preset
applications and thus extends the battery life.
The Optimus technology is enabled through
an application profile. When an application
is launched, the video drivers check if the
application has an associated application
profile.