v Follow the suggested actions in the order in which they are listed in the Action column until the problemis solved.v See the parts listing in the Problem Determination and Service Guide to determine which components arecustomer replaceable units (CRU) and which components are field replaceable units (FRU).v If an action step is preceded by “(Trained service technician only),” that step must be performed only by atrained service technician.Symptom ActionThe monitor works when youturn on the server, but thescreen goes blank when youstart some applicationprograms.1. Make sure that:v The application program is not setting a display mode that is higher than thecapability of the monitor.v You installed the necessary device drivers for the application.2. Run video diagnostics (see the Problem Determination and Service Guide forinformation about running the diagnostic programs).If the video passes the video diagnostics, the video is good; see the ProblemDetermination and Server Guide for information about solving undeterminedproblems.The monitor has screen jitter, orthe screen image is wavy,unreadable, rolling, or distorted.1. If the monitor self-tests show that the monitor is working correctly, consider thelocation of the monitor. Magnetic fields around other devices (such astransformers, appliances, fluorescent lights, and other monitors) can causescreen jitter or wavy, unreadable, rolling, or distorted screen images. If thishappens, turn off the monitor.Attention: Moving a color monitor while it is turned on might cause screendiscoloration.Move the device and the monitor at least 305 mm (12 in.) apart, and turn onthe monitor.Notes:a. To prevent diskette drive read/write errors, make sure that the distancebetween the monitor and any external diskette drive is at least 76 mm (3in.).b. Non-IBM monitor cables might cause unpredictable problems.2. Reseat the following components:a. Monitor cableb. Remote Supervisor Adapter II SlimLine (if one is installed)3. Replace the following components one at a time, in the order shown, restartingthe server each time:a. Monitor cableb. Monitorc. Remote Supervisor Adapter II SlimLine (if one is present)d. (Trained service technician only) System boardWrong characters appear on thescreen. 1. If the wrong language is displayed, update the BIOS code with the correctlanguage.2. Reseat the monitor cable.3. Replace the following components one at a time, in the order shown, restartingthe server each time:a. Monitorb. (Trained service technician only) System board68 IBM System x3655 Type 7985: Installation Guide