HP dx2480 Hardware Reference Guide: HP Compaq dx2480 Business Desktop MIcrotow - Page 76

Troubleshooting Problem Blank screen (no video) (continued). Cause Solution You may have a screen blanking utility installed or energy saver features are enabled. Press any key or click the mouse button and, if set, type your password. Computer is in standby mode. Press the power button to resume from standby mode. CAUTION: When attempting to resume from standby mode, do not hold down the power button for more than four seconds. Otherwise, the computer will shut down and you will lose any unsaved data. Power LED is flashing and computer will not start. You are using a fixed-sync monitor and it will not sync at the resolution chosen. Be sure that the monitor can accept the same horizontal scan rate as the resolution chosen. The VGA/BNC selector Set the selector switch to switch on the monitor (some agree with the cable models) is not properly set. connection. Bad monitor. Try a different monitor. Initernal error has occurred and the computer is flashing a code. Refer to "Interpreting Diagnostic Lights and Audible Codes" to interpret the error code. Troubleshooting Guide www.hp.com/in 8-15