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Troubleshooting Guide
11
11 Troubleshooting Guide
11.1.3 Check the followings.
Installation issue (PC mode)
The screen keeps switching on and off. Check the cable connection between the
product and PC, and ensure the connection is
secure.
("2.2 Connecting and Using a PC")
Blank spaces are found on all four sides of the
screen when an HDMI or HDMI-DVI cable is
connected to the product and PC.
The blank spaces found on the screen have
nothing to do with the product.
Blank spaces on the screen are caused by the
PC or graphics card. To resolve the problem,
adjust the screen size in the HDMI or DVI
settings for the graphics card.
If the graphics card settings menu does not
have an option to adjust the screen size,
update the graphics card driver to the latest
version.
(Please contact the graphics card or computer
manufacturer for further details about how to
adjust the screen settings.)
Screen issue
The power LED is off. The screen will not
switch on.
Make sure that the power cord is connected.
("2.2 Connecting and Using a PC")
"No Signal" is displayed on the screen (refer to
"Connecting to a PC").
Check that the product is connected correctly
with a cable
("2.2 Connecting and Using a PC")
Check that the device connected to the
product is powered on.
"Not Optimum Mode" is displayed. This message is displayed when a signal from
the graphics card exceeds the product's
maximum resolution and frequency.
Refer to the Standard Signal Mode Table and
set the maximum resolution and frequency
according to the product specifications.
The images on the screen look distorted. Check the cable connection to the product
("2.2 Connecting and Using a PC")
189


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