MW810 Display Owner’s Manual 49
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Appendix D: Troubleshooting Information
You can solve many problems without outside assistance by following the troubleshooting
procedures that MW810 provides in the online help or in the documents that are provided
with the device, operating system and software applications. Most software applications
come with description containing troubleshooting procedures and explanation of error
information. If you suspect a software issue, refer the information for the operating system or
application programs.
NOTE: This manual does not cover operating system issues. For operation system
directions, refer to Microsoft Windows XP or Windows Vista documentation.
This chapter contains helpful hints to follow when you encounter any problem. If a problem
persists after you follow the instructions in this chapter, contact your system administrator for
help.
If you see Do as follows
Display is powered on but the Power LED is
off
• Make sure Power supply cable is securely connected
• Make sure the main CPU power switch is on
Display is powered on but there is no screen
image
• Make sure the system is not in standby mode
• Make sure video cable is securely connected
• Adjust the brightness and/or contrast
Abnormal colors
• Check the video cable to be sure it's securely connected
• Check colors using pattern generator (see the Display
Adjustments chapter).
• Use OSD controls to adjust color settings.
Temperature LED is steady red. The internal temperature is high. Never turn on the device until it
cools down to normal operating temperature.
Temperature LED blinks red Display temperature is out of operational range. Wait until
temperature heats up / cools down to normal.
Over current is detected in device connected
to USB port.
Please, disconnect the USB device – its current consuming is
more than 0.5A.
The image is too light or dark. Use display OSD controls to adjust the brightness and contrast.
No sound or minimal volume.
• Make sure the sound driver is properly installed
• Make sure the speaker codeplug setting is UNMUTE
• Adjust the volume
No screen image on the primary display. Press CTRL-ALT-F1
No screen image on the secondary display. Press CTRL-ALT-F12 and define the video mode for the
secondary display
Cannot turn the device off, the system does
not respond
Turn off the device by pressing and holding the power button for
6 seconds or more. Use either CPU or display power buttons.
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