Sceptre X20g-NagaIII User Manual download pdf (Page 22)

18 Rev.2

Appendix C

Troubleshooting

This LCD monitor comes pre-adjusted with standard VGA timing. Due to output timing differences

among various VGA cards, you may initially experience an unstable or unclear display when a new

display mode or new VGA card is selected.

Before applying any of the following troubleshooting procedures, you should first apply the Auto

Adjust option in the OSD menu.

PROBLEM: Display is unclear and unstable

To stabilize and clarify your display, open the OSD and adjust the clock and

phase to obtain a clear display or change the resolution to the display’s optimal

setting 1680 x 1050 at 60hz. Make sure you use auto adjust function after

changing the resolution.

PROBLEM: There is no LCD display

If there is no display on the LCD, refer to the following:

1. Make sure that the power indicator on the LCD monitor is lit,

that all connections are secure, and that the system is running

on the correct timing. Refer to Appendix B for information on

timing.

2. Turn off the LCD monitor and then turn it back on again. Press

the OSD Menu button (refer to Chapter 2) once and then press

one of the Adjustment Control buttons several times. If there is

still no display, press the other Adjustment Control button

several times.

3. If step 2 does not work, connect your PC system to another

external CRT. If your PC system functions properly with a CRT

monitor but it does not function with the LCD monitor, and the

LCD monitor’s power LED is blinking, the output timing of the

PC’s VGA card may be out of the LCD’s synchronous range.

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Sceptre X20g-NagaIII User Manual Page 22