•Bypass power strips, power extension cables, and other power protection devices to verify that the computer turns on properly.
•Ensure that any power strips being used are plugged into an electrical outlet and are turned on.
•Ensure that the electrical outlet is working by testing it with another device, such as a lamp.
•Ensure that the main power cable and front panel cable are securely connected to the system board.
I F T H E P O W E R L I G H T I S B L U E A N D T H E C O M P U T E R I S N O T R E S P O N D I N G —
•Ensure that the display is connected and powered on.
•If the display is connected and powered on, see in your Service Manual on support.dell.com.
I F T H E P O W E R L I G H T I S B L I N K I N G B L U E — The computer is in standby mode.
Press a key on the keyboard, move the mouse, or press the power button to resume normal operation.
I F 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
electrical power, a device might be malfunctioning or incorrectly installed.
•Remove and then reinstall all memory modules.
•Remove and then reinstall any expansion cards, including graphics cards.
I F 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 — There is a power problem, a device may be malfunctioning or incorrectly installed.
•Ensure that the processor power cable is securely connected to the system board power connector (see your Service Manual at support.dell.com).
•Ensure that the main power cable and the front panel cable are securely connected to the system board connector.
EL I M I N A T E I N T E R F E R E N C E — Some possible causes of interference are:
•Power, keyboard, and mouse extension cables
•Too many devices connected to the same power strip
•Multiple power strips connected to the same electrical outlet
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Troubleshooting Tips
