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User’s Manual
36
Troubleshooting & Support
CABLE NOT
CONNECTED
The VGA cable is not connected to the computer.
- Check that VGA cable is connected to the
computer tightly.
Troubleshooting Checklist
Symptom Check Items
Computer has only
one VGA port
- You need to install an additional graphics card to
enable a dual monitor configuration. Check our
website at www.doublesight.com/support
for
recommendations and requirements of selected
graphics cards.
- If available, consult your computer administrator
or supplier for assistance in selecting and
installing an additional graphics card.
No picture; POWER
LED Indicator is not
lit
- Check that the monitor power switch is turned on.
- Check that the power adapter is properly
connected to the monitor.
- Check that the power cord is properly connected
to the power adapter.
- Check that the power cord is properly connected
to the power outlet.
- Check that there is electrical power coming from
the power outlet. Use another device to check for
power.
No picture; The
POWER LED
Indicator is green
and the SELECT
LED Indicator is
amber
- Ensure that the computer is not in a power saving
mode. (Move the mouse or press a key on the
keyboard to wake up the computer.)
- Check that your computer is ON.
- Check that the video signal cable is properly
connected.