Troubleshooting - NEC lc15m Bedienungsanleitung

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18 - Monitor User's Guide

Troubleshooting

Before consulting service personnel, check the following chart for a possible cause and
solution to the trouble you are experiencing.
Problem
Moitor will not turn on •
No image
Poor or abnormal image •
Image OK, no sound
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Possible Solution
Make sure the power cord is plugged in.
• Make sure the power cord is plugged in.
• Check the VGA cable connecting the LCD monitor to
the computer (see "Connecting the VGA Signal Cable
to the Computer" on page 11).
• Press the POWER button on the front of the monitor
(see "Control Buttons" on page 13).
Check the VGA cable connecting the LCD monitor to
the computer (see "Connecting the VGA Signal Cable
to the Computer" on page 11).
• Press the MENU/ENTER button to adjust the
brightness and/or contrast options in the OSD (see
"OSD Options" on page 14).
• Adjust the color option in the OSD (see "OSD
Options" on page 14).
• Press the AUTO button on the front of the monitor to
automatically adjust the display settings (see "Control
Buttons" on page 13).
• Check the audio cable connecting the LCD monitor to
the computer (see "Connecting the Audio Cable to the
Computer" on page 11).
• Press the UP button on the front of the monitor to
increase the volume (see "Control Buttons" on page 13).
• Make sure the computer's audio software is working.
Adjust the audio settings of the computer or its sound
card.