IBM eServer 240 xSeries User Reference Manual

Also see for eServer 240 xSeries: Configuration and options guide

Contents

Monitor problems ActionThe screen is blank. Verify that:1. The server power cord is plugged into the server and a workingelectrical outlet.2. The monitor power cord is plugged into the monitor and a workingelectrical outlet.3. The monitor is turned on and the Brightness and Contrast controls areadjusted correctly.4. The monitor signal cable is connected to the correct connector on theserver.Attention: In some memory configurations, the 3-3-3 beep code mightsound during POST followed by a blank display screen. If this occurs andthe Boot Fail Count feature in the Start Options of theConfiguration/Setup Utility is set to Enabled (its default setting), you mustrestart the server three times to force the system BIOS to reset thememory connector or bank of connectors from Disabled to Enabled.If the problem still exists and the screen remains blank, have the systemserviced.Only the cursor appears. Have the system serviced.The monitor works whenyou turn on the server,but goes blank when youstart some applicationprograms.Verify that the primary monitor cable is connected to the video port.To find the video port, see “Input/output connectors and expansion slots”on page 11.Be sure that you installed the necessary device drivers for theapplications.The screen flickers. Set the monitor for the highest, noninterlaced refresh rate available.To reset the refresh rate, use a utility program, such as AnyViewProfessional or WinMode.Wavy, unreadable,rolling, distorted screen,or screen jitter.If the monitor self-tests show the monitor is OK, consider the location ofthe monitor. Magnetic fields around other devices (such as transformers,appliances, fluorescent lights, and other monitors) can cause screen jitteror wavy, unreadable, rolling, or distorted screen images. If this happens,turn off the monitor. (Moving a color monitor while it is turned on mightcause screen discoloration.) Then move the device and the monitor atleast 305 mm (12 in.) apart. Turn on the monitor.Note:1. To prevent diskette drive read/write errors, be sure thedistance between monitors and diskette drives is at least 76mm (3 in.).2. Non-IBM monitor cables might cause unpredictable problems.3. An enhanced monitor cable with additional shielding isavailable for the 9521 and 9527 monitors. For informationabout the enhanced monitor cable, see your IBM reseller orIBM marketing representative.If the problem still exists, have the monitor and system serviced.Wrong characters appearon the screen.If the wrong language is displayed, update the BIOS with the correctlanguage. Refer to Chapter 7, “Getting help, service, and information” onpage 161 for information about obtaining updates for the BIOS.If the problem still exists, have the system serviced.General problems ActionProblems such as brokencover locks or indicatorlights not working.Have the system serviced.144 IBM xSeries User's Reference