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Troubleshooting
No picture.
] Is the correct input selected (see page 16)?
] Are the devices connected correctly (see
pages 14 and 15)?
] Are signals being input from the connected
devices?
] Is brightness adjusted correctly (see page
21)?
No sound.
] Is the volume set at minimum (see page
16)?
] Is the muting function activated (see page
16)?
Self-diagnostic lamp lights (flashes).
] See page 40 for details.
Power is not supplied.
] Is the power cord connected (see page 15)?
] Is the main power switch (POWER) turned
on (see page 16)?
The remote control does not work.
] Are the batteries installed correctly (see
page 6)?
] Are the batteries exhausted?
] Is the front end of the remote control
pointing toward the remote sensor?
] Is there any object blocking the path
between the remote control and the
remote sensor?
] Is the monitor too far away from you?
Solutions to common problems related to the monitor are described here. If none of the solutions presented here solves the
problem, unplug the monitor and consult an authorized dealer or service center.
06-42_GM-H40L2A-f.indd 3806-42_GM-H40L2A-f.indd 38 06.4.24 5:21:16 PM06.4.24 5:21:16 PM