Monitor problems ActionThe monitor works whenyou turn on the system, butgoes blank when you startsome application programs.Verify that:1. The monitor signal cable is securely connected to themonitor and the monitor connector on the graphicsadapter. For the location of the monitor connector onthe graphics adapter installed in your computer, see“Connecting computer cables” on page 7.2. The necessary device drivers for the applicationprograms are installed.If you cannot correct the problem, have the computerserviced.The monitor works whenyou turn on the system, butgoes blank after someperiod of computerinactivity.The computer is probably set for energy savings with theAdvanced Power Management (APM) feature. If theAPM feature is enabled, disabling APM or changingAPM settings might solve the problem (see“Power-management features” on page 39).If you cannot correct the problem, have the computerserviced.Blank screen. Verify that:1. The computer power cord is plugged into thecomputer and a working electrical outlet.2. The monitor is turned on and the Brightness andContrast controls are adjusted correctly.3. The monitor signal cable is securely connected to themonitor and the monitor connector on the systemboard. To find the monitor connector on the systemboard, see “Connecting computer cables” on page 7. Ifyour computer comes with an AGP adapter, verifythat the monitor is connected to the monitorconnector on the AGP adapter.If you cannot correct the problem, have the computerserviced.Only the cursor appears. Have the computer serviced.Wrong characters appear onthe screen.Have the computer serviced.88 User Guide
