Troubleshoot

Problem & Question

Possible Solutions

 

 

Power LED Is Not ON

Make sure the power button is ON and the Power Cord is properly connected

to a grounded power outlet and to the monitor.

 

 

 

 

Is the power cord connected properly?

 

Check the power cord connection and power supply.

 

Is the cable connected correctly?

 

(Connected using the D-sub cable)

 

Check the DB-15 cable connection.

 

(Connected using the DVI cable)

 

Check the DVI cable connection.

 

* DVI input is not available on every model.

 

If the power is on, reboot the computer to see the initial screen (the login

 

screen), which can be seen.

No images on the screen

If the initial screen (the login screen) appears, boot the computer in the

applicable mode (the safe mode for Windows ME/XP/2000) and then change

 

 

the frequency of the video card.

 

(Refer to the Setting the Optimal Resolution)

 

If the initial screen (the login screen) does not appear, contact the Service

 

Center or your dealer.

 

Can you see "Input Not Supported" on the screen?

 

You can see this message when the signal from the video card exceeds the

 

maximum resolution and frequency that the monitor can handle properly.

 

Adjust the maximum resolution and frequency that the monitor can handle

 

properly.

 

Make sure the AOC Monitor Drivers are installed.

 

 

 

Adjust the Contrast and Brightness Controls.

Picture Is Fuzzy & Has

Press to auto adjust.

Make sure you are not using an extension cable or switch box. We

Ghosting Shadowing Problem

recommend plugging the monitor directly to the video card output connector

 

 

on the back .

 

 

Picture Bounces, Flickers Or

Move electrical devices that may cause electrical interference as far away

from the monitor as possible.

Wave Pattern Appears In The

Use the maximum refresh rate your monitor is capable of at the resolution

Picture

your are using.

 

 

The Computer Power Switch should be in the ON position.

 

The Computer Video Card should be snugly fitted in its slot.

Monitor Is Stuck In Active

Make sure the monitor's video cable is properly connected to the computer.

Inspect the monitor's video cable and make sure no pin is bent.

Off-Mode"

Make sure your computer is operational by hitting the CAPS LOCK key on

 

 

the keyboard while observing the CAPS LOCK LED. The LED should either

 

turn ON or OFF after hitting the CAPS LOCK key.

Missing one of the primary

Inspect the monitor's video cable and make sure that no pin is damaged.

colors (RED, GREEN, or

Make sure the monitor's video cable is properly connected to the computer.

BLUE)

 

Screen image is not centered

Adjust H-Position and V-Position or press hot-key (AUTO).

or sized properly

 

 

 

Picture has color defects

Adjust RGB color or select desired color temperature.

(white does not look white)

 

 

 

Horizontal or vertical

Use Windows 95/98/2000/ME/XP shut-down mode Adjust CLOCK and

FOCUS.

disturbances on the screen

Press to auto-adjust.

 

 

 

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AOC D2357PH user manual Troubleshoot, Power LED Is Not on