Compaq 470007-802 Getting Started - Compaq Deskpro Family of Personal Computer - Page 25

Interpreting the Diagnostic Lights The Compaq Deskpro Family of Personal Computers features diagnostic lights or LEDs (light emitting diodes) to indicate various computer states or errors. The following tables describe the diagnostic light indications. Refer to the Troubleshooting Guide for more information. Normal Operating Conditions Power off Power on Power Light Off Solid green Suspend Suspend to disk Error Conditions Thermal shutdown Processor not installed correctly ROM error Power supply overload Expansion card cage not installed correctly (select models) Blinking green with 1 blink every second Blinking green with 1 blink every 2 seconds Power Light Blinking red with 4 blinks every second Solid red Blinking red with 1 blink every second Blinking red with 1 blink every 2 or more seconds Solid red Hard Drive Activity Light Off Blinking green during hard drive activity Off Off Hard Drive Activity Light Off Off Off Off Solid red 2-16 Getting Started with Hardware