Troubleshooting and tips
A26391-K168-Z120-1-7619, edition 2
69
No sound or minimal volume
Check whether the volume is set correctly.
►
Make sure that the sound driver is correctly installed under
Control Panel - System - Device
Manager
.
►
Use the key combination
Fn
+
F3
to check the mute status.
►
Double-click on the volume indicator in the task bar and adjust the volume.
or
Use the key combination
Fn
+
F8
or
Fn
+
F9
to check the volume.
The notebook's date or time is incorrect
►
Double-click on the clock in the task bar and adjust the time.
or
►
Set the time and/or date in the
BIOS Setup
menu
Main
.
i
If the date and time are repeatedly incorrect when you switch on the notebook, the buffer
battery that supplies the internal clock is dead.
Connect the notebook via its power adapter to a grounded mains outlet or install a fresh
battery. The buffer battery will take approximately two days to complete its recharge. If that
problem exists further more please contact our service.
You have forgotten your user and/or supervisor
password
If you have forgotten your user password, enter the supervisor password or contact your system
administrator. If the supervisor password is also no longer available, contact our help desk. You must
provide proof of ownership for the notebook. Then the Help Desk will refer you to our service partner,
who will unlock your notebook (for a charge).
Acoustic warnings
A beep sounds every few seconds
The battery is almost flat.
►
Charge the battery.