Acer G24 manual Troubleshooting, LED on, Led Off, EN-20

Page 21

G24

TROUBLESHOOTING

Before sending your LCD monitor for servicing, please check the trouble- shooting list below to see if you can self-diagnose the problem.

(VGA Mode)

Problems

Current Status

Remedy

 

 

 

 

LED ON

· Using OSD, adjust brightness and contrast

 

 

to maximum or reset to their default

 

 

settings.

 

 

 

 

LED OFF

· Check the power switch.

 

 

 

No Picture

 

· Check if AC power cord is properly

 

connected to the monitor.

 

 

 

 

 

 

LED displays

· Check if video signal cable is properly

 

amber color

connected at the back of monitor.

 

 

 

 

 

· Check if the power of computer system is

 

 

ON.

 

 

 

 

Unstable

· Check if the specification of graphics

 

Picture

adapter and monitor is in compliance

 

 

which may be causing the input signal

 

 

frequency mismatch.

 

 

 

 

Display is

· Using OSD, adjust RESOLUTION, CLOCK,

 

missing, center

CLOCK-PHASE, H-POSITION and V-

Abnormal

shift, or too

POSITION with non-standard signals.

small or too

 

Picture

· Using OSD, in case of missing full-screen

large in display

 

 

image, please select other resolution or

 

size

 

other vertical refresh timing.

 

 

 

 

 

 

 

· Wait for a few seconds after adjusting the

 

 

size of the image before changing or

 

 

disconnecting the signal cable or powering

 

 

OFF the monitor.

 

 

 

EN-20

Image 21
Contents Table of Contents EN-1 Special Notes on LCD MonitorsEN-2 Information for your safety and comfortEN-3 Product servicingEN-4 Taking care of your visionEN-5 UnpackingEN-6 ATTACHING/REMOVING the BaseEN-7 Screen Position AdjustmentSafety Precaution Connecting the Power CordCleaning Your Monitor EN-8DDC LEDEN-9 Connector PIN Assignment PIN no DescriptionEN-10 EN-11 PINEN-12 Standard Timing TableEN-13 InstallationUser Controls Menu / EnterEN-14 EN-15 HOW to Adjust a Setting∙ Adjusting the Picture UserEN-16 EN-17 DDC/CI EN-18EN-19 LED on TroubleshootingLED OFF EN-20EN-21 EN-22 EN-23 Declaration of ConformityEN-24 Federal Communications Commission Declaration of Conformity