The External Display Is Blank Or The Image Is Unstable; The Notebook Stops Working; The Touchpad Does Not Work; The Mouse Does Not Work - Siemens Mobile 750 Operating Manual

The external display is blank or the image is unstable

The wrong frequency has been selected for the external monitor or for the application program.
²²
Terminate the application program in Windows 9x with
program has been terminated, switch the external monitor off, wait at least three seconds, and
then switch the external monitor on again.
²²
Set the screen resolution required by the application. Select the Start button Select the System
control item under Settings. Double-click on the Display symbol. Select the required screen
resolution in the Settings register card of the Resolution field.

The notebook stops working

If the notebook stops working, this may have the following reasons:
The notebook is in Standby or Suspend mode
²²
Reactivate the notebook by pressing a key (Standby mode) or by switching it on (Suspend mode).
An application program has caused the malfunction
²²
Close the application program or restart the notebook by switching it on/off or with a warm boot.
The battery is dead
²²
Recharge the battery or install a fully charged battery.

The touchpad does not work

If the touchpad does not work, it can have the following reasons:
Incorrect setting in Setup
²²
Check whether the field PS/2 Mouse in the Main Setup is set to Enabled or to Auto Detect.
External PS/2 mouse connected
The touchpad remains deactivated if an external PS/2 mouse is connected to the notebook.

The mouse does not work

If the connected mouse does not work, it can have the following reasons:
Incorrect setting in Setup
²²
Check whether the PS/2 Mouse field is set to Enabled (for a PS/2 mouse) or Disabled (for a serial
mouse) in the Main Setup.
²²
Check the COM Port field in the submenu Integrated Peripherals of the Advanced Setup to ensure
that serial port is enabled and set correctly.
Mouse driver not loaded
²²
Check whether the required mouse driver is properly installed and is present when the application
program is started. Detailed information can be found in the User Guides of the mouse or
application program.
A26391-K84-Z100-1-7619
Troubleshooting and tips
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