Operation Manual

Troubleshooting and tips
!
Refer to the safety information in the "Safety" manual, when connecting or disconnecting
cables.
If a fault occurs, try to correct it as described. If you fail to correct the problem, proceed as follows:
► Make a note of the steps and the circumstances that led to the fault. Also make a note of any
error messages displayed.
► Switch the notebook off.
► Contact your sales outlet or our customer service centre.
You can find the telephone numbers in the help desk list supplied. Please have the following
information ready when you call:
– The model name and serial number of the notebook. The serial number is located on a
sticker on the underside of the notebook.
– Notes of any messages that appear on the screen and information on acoustic signals.
– Any changes you have made to the hardware or software since receiving the notebook.
– Any changes you have made to the BIOS Setup settings since receiving the notebook.
– Your system configuration and all peripheral devices connected to your system.
– Your sales contract.
Troubleshooting
User and/or supervisor password forgotten
Cause Troubleshooting
Forgotten 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, please contact our Hotline/Help Desk.
You must provide proof of ownership for the
notebook.
The helpdesk will then refer you to our service
partner, who will unlock your notebook (for a
charge).
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