Mitsubishi DiamondPoint NXM56LCD Manuel De L'utilisateur page 19

Troubleshooting
No Video
• If no video is present on the screen, turn the Power button off and on again.
• Make certain the computer is not in a power-saving mode (touch the keyboard or mouse).
No Sound
• Check to see if speaker cable is properly connected.
• Check to see if mute is activated.
• Check to see if volume in OSD is set at minimum.
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