- ページ 14

モニター Acer AL2251WのPDF ユーザーマニュアルをオンラインで閲覧またはダウンロードできます。Acer AL2251W 20 ページ。 55.87cm(22”) tft color lcd monitor
Acer AL2251W にも：サービスマニュアル (49 ページ)

TECHNICAL SUPPORT (FAQ)

Problem & Question

Power LED is not on

No Plug & Play

Picture is fuzzy

Picture bounces or a wave

pattern is present in the picture

The power LED is ON (orange)

but there's no video or no

picture.

Missing one of the primary

colors (RED, GREEN, or

BLUE)

Possible Solution

*Check if the Power Switch is in the ON

position

*Power Cord should be connected

*Check if the PC system is Plug & Play

compatible

*Check if the Video Card is Plug & Play

compatible

*Check if the D-15 plug pin of Video

Cable is bent

*Adjust the Contrast and Brightness

Controls.

*Move electrical devices that may cause

electrical interference.

*Computer Power Switch should be in

the ON position.

*Computer Video Card should be snugly

seated in its slot

*Make sure monitor's video cable is

properly connected to the computer.

*Inspect monitor's video cable and make

sure none of the pins are bent.

*Make sure 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.

*Inspect the monitor's video cable and

make sure that none of the pins are

bent.