Epson 455Wi Nothing appears on an external monitor., There is no sound, or the sound is not loud enough.

Solving Problems 127
■If you’re displaying video, adjust the Color Adjustment and
Color Mode settings on the Image menu. You can also try
adjusting the Color Saturation, Abs. Color Temp, and Tint
settings on the Image menu.
■Try adjusting the Brightness and Contrast settings on the Image
menu.
■Try adjusting the Power Consumption setting (see page 69).
■Check your computer display settings to correct the color balance.
■The projector’s lamp may need to be replaced. See page 107 for
instructions.
■Make sure the correct input signal is selected in the Signal menu
(see page 68).
■Make sure that all cables are connected to the proper ports and
connected securely.
Nothing appears on an external monitor.
The only images that can be displayed on an external monitor are
computer images connected through the Computer1 port (see
page 24).
There is no sound, or the sound is not loud enough.
■Use the Volume buttons to adjust the volume (see page 56), or
adjust the Volume setting in the Settings menu.
■Make sure you are using a “no resistance” audio cable.
■Make sure A/V Mute is not enabled. (Press the A/V Mute button
to disable it.)
■If your presentation includes computer audio, make sure the
volume control on your computer is not turned all the way down
or muted. In Windows, you ma y be able to check this by clic king
the volume control in your Windows system tray (lower right
corner of the screen). On a Mac, you may be able to adjust the
volume from your menu bar (top right corner of the screen) or via
the volume control function keys.