Dell XPS C100J Quick Reference Manual

Also see for XPS 730: User guide Quick setup Service manual Service manual Service manual

Contents

Troubleshooting 37• If the power button LED is off, the computer is either turned off or is notreceiving power.– Reseat the power cable into both the power connector on the back ofthe computer and the electrical outlet.– If the computer is plugged into a power strip, ensure that the powerstrip is plugged into an electrical outlet and that the power strip isturned on.– Bypass power protection devices, power strips, and power extensioncables to verify that the computer turns on properly.– Ensure that the electrical outlet is working by testing it with anotherdevice, such as a lamp.– Ensure that the main power cable and front panel cable are securelyconnected to the system board (see the Service Manual atsupport.dell.com).NOTE: All front panel and back panel LEDs will turn off during sleep states.Beep CodesYour computer may emit a series of beeps during start up. The series of beepsis called a beep code and can be used to help identify a problem with yourcomputer.If your computer emits a series of beeps during start-up:1 Write down the beep code.2 Run the Dell Diagnostics to identify the cause (see "Dell™ Diagnostics" onpage 29).3 See "Contacting Dell" on page 72 for instructions on obtaining technicalassistance.