Infocus INF55WIN8 User Manual

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Page 26
Troubleshooting
Symptom
Possible Solutions
No power
•  Verify the power cord is properly connected to the power outlet and to the monitor. 
•  Verify the power switch is ON and that the Power button on the remote or keypad has 
been turned on (the front LED should be green).
•  Plug another electrical device to the power outlet to verify that the outlet is supplying 
the proper voltage.
The monitor shuts down suddenly
•  Check the Sleep Timer setting in the Configuration 2 OSD menu. Disable the Sleep 
Timer, if desired.
•  Verify that a source is active.
•  The monitor may have overheated. Remove any objects blocking the vents.
•  Review the Windows power settings of the monitor.
The monitor is turning on and/or off 
automatically at the same time of 
day
•  Check both the Date & Time settings and the Schedule settings in the Advanced Option 
OSD menu to verify accuracy. Disable scheduling, if desired.
No image
•  If attempting to display an external source, see “No image from external source” below.
•  Verify that the monitor is turned on (the front LED should be solid green).
•  Verify that the monitor PC is turned on (the PC LED on the back of monitor should be 
solid green).
•  Check the Operation mode in the OSD menu. Note: The monitor must be powered off 
and back on for changes to take effect.
No image from external source
•  Verify that connections between the source and the monitor have been made correctly.
•  Verify that the cables are in good condition.
•  Verify the correct input source is selected and that the input signal is compatible with 
the monitor. 
•  If the external source is not detected, the Video source menu defaults back to PC.
The monitor is not acting like a 
simple monitor
•  Change the Operation mode to Monitor in the Configuration 1 menu
The monitor 
must be powered off and back on for changes to take effect.
No sound
•  If using an external source, such as S-video, verify that an audio cable is correctly in-
stalled between the device and the monitor.
•  Using the remote, verify the volume is turned up enough and not muted.
•  If playing a video, verify the playback has not been paused and that the video’s audio 
has not been muted.
•  An HDMI
®
 1.3 (or higher) source and source device is required to hear audio via the 
HDMI cable.
Audio noise
•  Noise can occur when infrared communication equipment (for example, infrared cord-
less headphones) is used near the monitor. Move the infrared communication equip-
ment away from the monitor to eliminate the noise.
No touchpad activity with external 
computer
•  Verify that the USB B to USB type A cable is plugged from the laptop into monitor cor-
rectly.
•  Verify that the laptop’s operating system is Windows
®
 7 or 8. (The monitor touchpad 
does not support any other operating systems.)