Acer AL1922 AL1922R User's Guide - Page 14
Technical Support Faq
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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 (light blue) 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. 13