Acer XF251Q Manuel de l'utilisateur - Page 30

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TROUBLESHOOTING

Before sending your LCD monitor for servicing, please check the trouble-

shooting list below to see if you can self-diagnose the problem.

(HDMI Mode)

Problems

No Picture

Abnormal Sound

(Only Audio-Input

model)

(Optional)

Current Status

LED ON

LED OFF

LED displays amber color

No sound, or sound level

is too low

EN-20

Remedy

Using OSD, adjust brightness



and contrast to maximum or

reset to their default settings.

Check the power switch.



Check if AC power cord is



properly connected to the

monitor.

Check if video signal cable is



properly connected at the back

of monitor.

Check if the power of computer



system is ON.

Check the audio cable with the



host PC is connected.

Check if the volume setup of the



host PC is in minimum position

and try to raise the volume

level.