Lenovo 4334EAU Manuel D’Utilisation

Page de 49
24
Chapter 2. Learning the basics
Using Switchable Graphics (specific models only) 
 - - - - - - - - - - - - - - 
Some IdeaPad models support Switchable Graphics.
* GPU is short for graphics processing unit.
To change the GPU, do the following:
1 Start your computer to the Windows 7 operating system.
2 If the computer is in sleep or hibernation mode, press the power button to
wake it up.
3 Activate the Switchable Graphics dialog box. To activate the dialog box, 
you can right-click on the desktop and select Configure ATI 
PowerXpress (TM)
 from the pop-up menu.
4 On the Switchable Graphics dialog box, you can see the currently-
activated GPU under Current active Graphics Processing Unit
Click the button for another GPU under Choose a Graphics Processing 
Unit
.
Note:
 The dedicated GPU provides you with superior graphics performance while the 
energy-efficient integrated graphics provides longer operation with the battery. You 
can to switch to the high-performance GPU to gain the best graphics performance. 
However, when the computer is using battery power you are advised to switch to the 
power-saving GPU if you are not running graphics-intensive applications.
Note:
Under Windows XP or Windows Vista, none of the configurations support the 
Switchable Graphics, and they only work in the integrated GPU mode.
Note:
For models on different platforms, there is a slight difference in GPU switch. Please 
refer to the actual product for details.