Odstraňování problémů, Režim vga) – Acer S190HQL Uživatelská příručka

Stránka 23

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CS-1

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Odstraňování problémů

Před odesláním Vašeho LCD monitoru na opravu, prosím projděte níže uvedený
seznam řešení problémů pro vlastní diagnostiku závad.

(Režim VGA)

Problems

Current Status Remedy

No Picture

LED ON

·

Using OSD, adjust brightness and contrast

to maximum or reset to their default
settings.

LED OFF

·

Check the power switch.

·

Check if AC power cord is properly

connected to the monitor.

LED displays

·

Check if video signal cable is properly

connected at the back of monitor.

·

Check if the power of computer system is
ON.

Abnormal

Picture

Unstable
Picture

·

Check if the specification of graphics
adapter and monitor is in compliance

which may be causing the input signal
frequency mismatch.

Display is
missing, center

shift, or too
small or too

large in display

size

·

Using OSD, adjust RESOLUTION, CLOCK,
CLOCK-PHASE, H-POSITION and V-

POSITION with non-standard signals.

·

Using OSD, in case of missing full-screen

image, please select other resolution or

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.

blinking blue

Abnormal

No sound, or

·

Check the audio cable with the host PCis

Sound(Only

sound level is

connected.

Audio-Input

too low

·

Check if the volume setup of the hostPC is

model)

in minimum position and try toraise the

(Optional)

volume level.

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