Fujitsu Siemens Computers Fujitsu-Siemens PC - Manual (Page 95)

69
• The worst-case scenario is that the operating system has been
damaged, e.g. by a virus. If this is the case, execute a
"complete reinstallation of the operating system".
• If you correctly follow the instructions under "Complete
reinstallation of the operating system" and reinstallation is still
not possible, there could be a defect in one of the system
components such as the power supply unit or on the hard disk.
If you do not have the necessary technical expertise, repairs of
this magnitude should be carried out solely by a service
engineer.
Nothing appears on the screen
• Make sure that the monitor is switched on.
• Make sure that the computer and the monitor are connected
correctly.
• Are you using a screen saver? Press the SHIFT KEY to restore
the display.
• Are you using the automatic power-saving function? These
functions switch the computer or the video display unit to
power-saving mode. Press any key or move the mouse to
leave this mode. You will find further information on power-
saving functions in your mainboard manual.
• Adjust the contrast and brightness of the image.
• Disconnect the power and signal cable on the monitor. It could
be that the signal cable pins are not correctly aligned.
The keyboard is not responding
• Make sure the keyboard is connected correctly.
• The program with which you are working may be "hanging".
Press Ctrl+Alt+Del to end the task. If nothing happens, restart
the computer.
The image is distorted
• Another unit nearby, e.g. a printer, may be causing the
problem. Move any units which produce strong magnetic fields
away from the monitor.