IBM eServer 220 xSeries Installation Manual

Also see for 220: Service guide Configuration and options guide Hardware Maintenance Manual

Contents

Chapter 5. Solving problems 45Troubleshooting chartNotes:1. Refer to the User’s Reference on the IBM xSeries Documentation CD for moredetailed troubleshooting charts.2. If you cannot find the problem in the troubleshooting charts, run the diagnosticprograms. If you have run the diagnostic test programs, or if running the testsdoes not reveal the problem, call for service.Monitor problems Suggested actionThe 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 screen. If this occurs and the Boot Fail Count feature inthe Start Options of the Configuration/Setup Utility is set to Enabled (its defaultsetting), you must restart the server three times to force the system BIOS to reset thememory 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.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 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.