9-4 Solving ProblemsTroubleshootingPROBLEM CORRECTIVE ACTIONThere is constant movement onthe screen.A magnetic field is affecting your monitor. Ifyou have another monitor nearby, or otherdevice with a motor that generates amagnetic field (for example, a fan), movethe monitor or device away from theaffected monitor.Your screen display is fuzzy orgraphics characters or “garbage”appear on the screen.Check that your monitor is set up correctly.Check the monitor connections. Make surethat the monitor signal connector pins arenot damaged. Be sure that the correct videodriver is installed.Keyboard ProblemsAn image appears on the screenbut nothing happens when youuse the keyboard.Check and tighten the keyboard cableconnection. If this doesn't help, power offthe system. Wait 5 seconds or more andpower on the system.Quad-Speed CD-ROM ProblemsCD-ROM disc tray does noteject due to a power failure orsoftware error.Power off the system. See “EmergencyEject” in this chapter.System Performance ProblemsSystem performance appearssluggish.Check that you have your system set foroptimal operation. See your MicrosoftWindows for Workgroups and MS-DOSdocumentation.Check the memory requirements of yoursoftware applications. If required, installadditional memory (see “SIMM UpgradeKits” in Chapter 7).If you added optional memory, check thatyou installed the SIMM sticks correctly(see “SIMM Upgrade Kits” in Chapter 7).
