IBM 847681U Hardware Maintenance Manual - Page 201

Symptom The monitor works when you power-on the system, but goes blank after some period of server inactivity. Note The Advanced Power Management (APM) feature is not supported. Screen flickers. Attention Using a resolution or refresh rate that is not supported by the monitor might damage it. Wavy, unreadable, rolling, distorted screen, or screen jitter. If the monitor self-tests show that the monitor is working properly, verify that: 1. Check the location of the Monitor. 2. Verify that an IBM monitor signal cable is properly connected. 3. Verify that the monitor is not trying to run at a higher refresh rate than supported. Wrong characters appear on the screen. The server does not start when you press the power switch. Before replacing a FRU: 1. Check all cable connections. 2. Verify that the the server cover is properly installed. 3. Verify that the power outlet functions properly. 4. Verify that the correct type of memory is installed. FRU/Action 1. If enabled, disable the Advanced Power Management (APM) feature setting in the Configuration/Setup Utility program. 1. Set monitor to highest, noninterlaced refresh rate supported by the monitor and controller. 2. Monitor 3. Video Adapter 1. Monitor 2. Video Adapter 1. Video Adapter Cable 2. Video Adapter 1. Power Switch/LED Assembly 2. Power Supply IBM Netfinity 3000 - Type 8476 193