116 TroubleshootingRE S T A R T T H E C O M P U T E R A N D L O G O N T O T H E N E T W O R K A G A I NCH E C K Y O U R N E T W O R K S E T T I N G S — Contact your network administrator or theperson who set up your network to verify that your network settings are correct andthat the network is functioning.RU N T H E HA R D W A R E TR O U B L E S H O O T E R — See "Troubleshooting Software andHardware Problems" on page 83.Power ProblemsCAUTION: Before you begin any of the procedures in this section, follow thesafety instructions in the Product Information Guide.CH E C K T H E P O W E R L I G H T — When the power light is lit or blinking, the computerhas power. If the power light is blinking, the computer is in standby mode—press thepower button to exit standby mode. If the light is off, press the power button to turnon the computer.IF T H E P O W E R L I G H T I S B L I N K I N G G R E E N — The computer is in standby mode.Press a key on the keyboard, move the mouse, or press the power button to resumenormal operation.IF T H E P O W E R L I G H T I S O F F — The computer is either turned off or is not receivingpower.• Reseat the power cable in the power connector on the back of the computer and theelectrical outlet.• Bypass power strips, power extension cables, and other power protection devices toverify that the computer turns on properly.• Ensure that any power strips being used are plugged into an electrical outlet and areturned on.• Ensure that the electrical outlet is working by testing it with another device, such as alamp.IF T H E P O W E R L I G H T I S B L I N K I N G A M B E R — The computer is receiving electricalpower, but an internal power problem may exist.• Ensure that the voltage selection switch is set to match the AC power at your location(if applicable).IF T H E P O W E R L I G H T I S S T E A D Y A M B E R — A device may be malfunctioning orincorrectly installed.• Remove and then reinstall all memory modules (see the Service Manual for yoursystem on support.dell.com).
