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Troubleshooting (Advanced)
The LCD brightness changes a number of times when the AC adaptor is
disconnected
z
Intel(R) video driver power saving function (Intel(R) Display Power Saving Technology) (
) is active and auto-
matically changes the LCD brightness.
Image colors are not reproduced as expected when displaying photographs or
other images
z
We recommend disabling the [Intel(R) video driver power saving function (Intel(R) Display Power Saving Technology)].
Nothing appears on the external display, or the display is not correct
z
Check that the external display cables are correctly connected.
z
Check that the external display is turned on.
z
Check that the external display settings are correct.
z
When an external display not compatible with the power-saving mode is used with the computer, the display may not func-
tion correctly when the computer enters the power-saving 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 prop-
erly displayed depending on the settings. In this case, try setting the number of colors, screen area (resolution), and
refresh rate to smaller values.
The sidebar gadgets are not correctly displayed
z
Log off and log on Windows again.
Takes long time to display the [Power Option] screen
z
Perform the following steps to confirm whether the number of Panasonic Power Plan Extension Utility configurations cre-
ated when using Power Saving Utility has reached 100 or more.
A
Click
or
on the notification area, and click [More power options].
B
Click [Show additional plans].
When more than one power plan is displayed, click [Change plan settings] for the power plan you want to delete and click
[Delete this plan].