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Problems with Display
174
The LCD brightness changes a number of times when the AC
adaptor is disconnected
z Intel(R) Display Power Saving Technology (Î page 42) is active and automatically
changes the LCD brightness.
Image colors are not reproduced as expected when displaying
photographs or other images
z We recommend removing the checkmark from [Intel(R) Display Power Saving
Technology]. (Î page 42)
Nothing appears on the external display, or the display is not
correct
z
z
z
z
Check that the external display cables are correctly connected.
Check that the external display is turned on.
Check that the external display settings are correct.
When an external display not compatible with the power-saving mode is used with the
computer, the display may not function correctly when the computer enters the powersaving mode. In this case, turn on the external display again.
However, in the case of some external displays, the screen display may be distorted or
the mouse cursor may not be properly displayed depending on the settings. In this case,
try setting the number of colors, screen area (resolution), and refresh rate to smaller
values.
To use both the external display and the internal LCD
z Connect the external display, then press the Fn + F3 key to switch the display.
If this does not switch the display, use the following procedure.
A Click [start] - [Control Panel], from the [See Also] area click [Other Control
Panel Options], then click [Intel(R) GMA Driver for Mobile] - [Devices].
B Click the display destination, and click [OK].