Kensington M Series - Manual (Page 90)

Troubleshooting 81
the External Cache setting in the Memory Cache field of
System Setup.
Nothing appears on the LCD panel when you turn on the
computer.
Adjust the brightness and contrast on an DS-STN LCD or
the brightness on a TFT LCD. Are you using an external
monitor? If so, press <Fn+F5> to return to the LCD panel.
Nothing appears on the external monitor when you switch the
display to it.
Is the monitor properly connected to the computer? Is the
monitor’s power cord connected to an AC wall outlet?
Check the brightness and contrast controls on the monitor.
Does the program appear on the LCD panel instead of the
external monitor? If so, press <Fn+F5> to switch to the
monitor. Try turning the monitor off and on again.
The external monitor displays flashes or waves.
Check the cables between the monitor and the computer.
Are they properly installed?
Some of the letter keys type numbers instead of the indicated
letters.
Is the Num Lock light on? If so, the numeric keypad on the
keyboard is active. To return the keypad keys to typing
letters, press <Num Lock>.
Battery power seems to run out faster than expected.
If you are running the computer from the battery rather than
the AC adapter, make sure that you set the Battery Power
Saving Mode field in System Setup to Non-Turbo. This setting
enables the microprocessor and the hard drive to slow down
when the computer is idle.
You can also enable other power-saving options through
System Setup. Set the timeout times in the Standby Timeout
and Rest Timeout fields to the shortest times to ensure
maximum power savings.
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