IBM eServer 350 xSeries Installation Manual

Also see for eserver xSeries 350: User reference guide

Chapter 5. Solving problems 27Monitor problems Suggested actionTesting Some IBM monitors have their own self-tests. If you suspect a problem with yourmonitor, refer to the information that comes with the monitor for adjusting andtesting instructions.If you still cannot find the problem, call for service.The screen is blank. Verify that:1. The server power cord is plugged into the server and a working electricaloutlet.2. The monitor cables are connected properly.3. The monitor is turned on, and the Brightness and Contrast controls are adjustedcorrectly.If the items above are correct and the screen remains blank, call for service.Attention: In some memory configurations, the 3-3-3 beep code might sound duringPOST followed by a blank display screen. If this occurs and the Boot Fail Countfeature in the Start Options of the Configuration/Setup Utility is set to Enabled (itsdefault setting), you must restart the server three times to force the system BIOS toreset the memory connector or bank of connectors from Disabled to Enabled.Only the cursor appears. Call for service.The monitor works when youturn on the server, but goesblank when you start someapplication programs.Verify that:1. The primary monitor cable is connected to the video port.2. You installed the necessary device drivers for the applications.If the items above are correct and the screen remains blank, call for service.Wavy, unreadable, rolling,distorted screen, or screen jitter.If the monitor self-tests show the monitor is OK, consider the location of themonitor. Magnetic fields around other devices (such as transformers, appliances,fluorescent lights, and other monitors) can cause screen jitter or wavy, unreadable,rolling, or distorted screen images. If this happens, turn off the monitor. (Moving acolor monitor while it is turned on might cause screen discoloration.) Then move thedevice and the monitor at least 305 mm (12 in.) apart. Turn on the monitor.Notes:1. To prevent diskette drive read/write errors, be sure the distance betweenmonitors and diskette drives is at least 76 mm (3 in.).2. Non-IBM monitor cables might cause unpredictable problems.3. An enhanced monitor cable with additional shielding is available for the 9521and 9527 monitors. For information about the enhanced monitor cable, see yourIBM reseller or IBM marketing representative.If the problem remains, call for service.Wrong characters appear on thescreen.If the wrong language is displayed, update the BIOS with the correct language.If the problem remains, call for service.