Northern LED17ST, User Manual

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8. Frequently asked Questions
Power button does not respond
 Check the power cord to ensure that it is securely plugged into the
monitor base and also into the electrical outlet.
 Ensure there is electrical power coming from the AC outlet. Use
another device to check for power.
 Unplug the power cord of the monitor from the AC outlet; wait a few
minutes, then to plug the power cord into the AC outlet again. This will
reset the monitor and power supply.
No image on the screen
 Ensure that the DB-15 signal cable is properly connected to the display
card/computer.
 Check the DB-15 signal cable connector on both ends for bent or
pushed-in pins.
 The display card should be properly seated in its card slot.
 Ensure that the computer's power switch is ON.
 Ensure that the monitor's power switch is ON.

Unplug the power cord of the monitor from the AC outlet; wait a few
minutes, then to plug the power cord into the AC outlet again. This will
reset the monitor and power supply.
Power LED is RED (with no image on the screen)
 Check the DB-15 signal cable to ensure that it is properly attached to
the graphics display card.
 Check the DB-15 signal cable on both ends for bent or pushed-in pins.
 Make sure the computer is not in a power-saving mode (move the
mouse or press a key on the keyboard).
No sound coming from the audio speakers
 The audio cable should be connected to the lineout on the audio card
and the line-in on the monitor. Ensure that the audio cable is properly
connected.
 Inspect the audio cable for any apparent damage. Double check by
switching to another audio cable to see if the audio works.