Acer AT350 F1 Bedienungsanleitung PDF herunterladen (Seite 125)

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Network activity indicators do not light.

Do the following:

• Make sure the correct network drivers are loaded on the system.

• Network might be idle.

Peripheral device connected to a USB port does not work.

Do the following:

• Reduce the number of external devices connected to a USB hub.

• Refer to the documentation that came with the device.

There is problem with the software program.

Do the following:

• Verify that the software is properly configured for the system.

Refer to the software installation and operation documentation

for instructions on setting up and using the software.

• Try a different version of the software to see if the problem is with

the copy you are using. If the other version runs correctly on the

system, contact your vendor about the defective software.

No characters appear on the display monitor.

Check the following:

• Is the keyboard functioning? Test it by turning the Num Lock

function on and off to check if the Num Lock indicator lights up.

• Is the display monitor plugged in and turned on? If you are using a

switch box, is it switched to the correct system?

• Are the brightness and contrast controls on the video monitor

properly adjusted?

• Is the display monitor signal cable properly connected?

• Does this display monitor work correctly if plugged into a different

system?

• Remove all add-in cards and see if the system boots.

If reboot is successful, install the cards back in one at a time with a

reboot between each addition to determine if one of them is

causing the problem.

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Acer AT350 F1 Bedienungsanleitung Seite 125