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Chapter 5. Troubleshooting
45
My screen goes blank while
the computer is on.
• Your screen saver or power management may be
enabled. Do one of the following to exit from the
screen saver or to resume from sleep or hibernation
mode:
- Touch the touchpad.
- Press any key on the keyboard.
- Press the power button.
-Press Fn+F2 to confirm whether the LCD screen
has been turned off.
Problems on changing graphics processing unit (GPU)
When I right-click on the
desktop, the Configure
Switchable Graphics
option is not displayed on
the pop up menu. Or when I
slide and release the GPU
switch on the front side of
the computer, the Switcha-
ble Graphics dialog box is
not displayed.
• Check the graphics device setting in BIOS setup
utility. In BIOS setup utility, move the cursor to
Configuration, make sure Switchable Graphics
option is set active under Graphics Device.
• Check the operating system you are using.
Switchable Graphics technology is currently
available only on Windows 7.
The screen remains blank
when I try to switch the
GPU.
• Make sure your computer is not running an
exclusive mode Direct3D or OpenGL application. If
your computer is running either of the above
applications, quit the application before you switch
the GPU.