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Troubleshooting (Advanced)
The LCD brightness changes a number of times when the AC adaptor is discon-
nected
Intel(R) Display Power Saving Technology (
) is active and automatically changes the LCD brightness.
Image colors are not reproduced as expected when displaying photographs or
other images
We recommend removing the check mark from [Intel(R) Display Power Saving Technology]. (
Nothing appears on the external display, or the display is not correct
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 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.
Pressing a letter key produces a number
The computer may be in ten-key mode.
If NumLk indicator
lights up, press
NumLk
, to disable the ten-key mode, and then input.
Only capital letters are being input
The computer may be in Caps Lock mode.
If Caps Lock indicator
lights up, press
Caps Lock
, to disable the Caps Lock mode, and then input.
Problems with Input