Troubleshooting - ViewSonic ViewPanel VG150 User Manual

Troubleshooting

No power
• Make sure power button (or switch) is ON.
• Make sure A/C power cord is securely connected to the back of the
®
ViewPanel and to a power outlet.
• Plug another electrical device (like a radio) into the power outlet to verify
that the outlet is supplying proper voltage.
Power on but no screen image
• Make sure the video cable supplied with the ViewPanel is tightly secured
to the video output port on the back of the computer. If the other end of
the video cable is not attached permanently to the ViewPanel, tightly
secure it to the ViewPanel. The ViewPanel comes with a 15 pin mini D-sub
signal cable.
• Adjust brightness and contrast.
• Check this user's guide to see if an adapter is required for proper signal
continuity between the graphics card and ViewPanel.
Horizontal lines "streak" accross the screen
• Set the refresh rate (vertical frequency) to 60 Hz. See your graphic card's
user guide for instructions.
Wrong or abnormal colors
• If any colors (red, green, or blue) are missing, check the video cable to
make sure it is securely connected. Loose or broken pins in the cable
connector could cause an improper connection.
• Connect the ViewPanel to another computer.
• If you have an older graphics card, contact ViewSonic
adapter. (See the back of this guide).
Entire screen image scrolls (rolls) vertically
• Make sure video input signals are within the ViewPanel's specified
frequency range.
• Try the ViewPanel with another power source, graphics card, or computer
system.
• Connect the video cable securely.
Control buttons do not work
• Press only one button at a time.
ViewSonic VG150/VG150B ViewPanel ®
® for a non-DDC
Other Information
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