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Flickering stripes on the monitor screen
Switch off the PC immediately.
!
Monitor does not support the set horizontal frequency
Ê
Find out which horizontal frequency your monitor screen supports.
You will find the horizontal frequency (also known as line frequency or horizontal deflection
frequency) in the documentation of your monitor.
Ê
Refer to the documentation for your operating system or the corresponding driver software for
the screen controller for how to set the correct horizontal frequency for your monitor, and follow
the procedure accordingly.
No screen display or display drifts
The wrong horizontal frequency and/or resolution has been selected for the monitor or for
the application program.
Ê
Find out which horizontal frequency your monitor screen supports.
You will find the horizontal frequency (also known as line frequency or horizontal deflection
frequency) in the documentation of your monitor.
Ê
Refer to the documentation for your operating system or the corresponding driver software for
the screen controller for how to set the correct horizontal frequency for your monitor, and follow
the procedure accordingly.
No mouse pointer displayed on the screen
Ê
Check that the mouse cable is properly connected to the system unit.
If you use an adapter or extension lead with the mouse cable, check the connections.
Ê
Check that the mouse driver is properly installed and is present when the application program
is started.
Detailed information can be found in the User Guide of the mouse or application program.
Time and/or date is not correct
Ê
Set the time and/or date. You can set the time and date in the BIOS Setup or in the operating
system.
If the time and date are repeatedly wrong when you switch on your PC, the battery is flat.
i
The lithium battery must be changed as described in the chapter
A26361-K619-Z100-1-7619
Troubleshooting and tips
"System
expansions".
25
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