User's Manual

25
T r o ub le s h o ot in g a n d ti p s
Problem Possible Cause Possible Solution
The notebook’s date
or time is incorrect
Time and date are
incorrect.
With the BIOS-Setup-Utility, you can set the
date and time in the main menu.
When certain
characters are
entered on the
keyboard, only
numerals are written
The virtual numeric
keypad of your device
is activated, see “Virtual
numeric keypad”, Page 9
Press the key combination + .
A beep sounds at
a rate of one per
second
The battery is almost flat. Charge the battery.
The notebook’s
LCD screen
remains blank
Monitor is switched off. Press a key or touch the touchpad.
External monitor or
television set connected.
Press the key combination +
F11
(switch
screen output).
The LCD screen is
difficult to read
Reflected glare. Turn the notebook or alter the tilt of the LCD
screen.
The external
monitor remains
blank
Monitor is switched off. Switch the external monitor on.
Power saving has been
activated (monitor is blank).
Press any key to continue.
Brightness is set to dark. Adjust the brightness of the monitor.
Screen output is set to the
notebook’s LCD screen.
Press the key combination +
F11
(switch
screen output).
The external monitor’s
power cable or data cable
is not connected properly.
Switch off the external monitor and the
notebook.
Check whether the power cable is plugged
properly into the external monitor and into
the power socket.
Check whether the data cable is properly
connected to the notebook and the external
monitor (if it is plugged in with a connector).
Switch on the external monitor and the
notebook.
Troubleshooting and tips
If the date and time are repeatedly incorrect when you switch on the notebook, the built-in
battery that supplies the internal clock has failed. Please contact our Authorized Service Centre.