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38 Troubleshooting Tips
• 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.
IF THE POWER LIGHT IS BLUE AND THE COMPUTER IS NOT RESPONDING —
• 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
.
IF THE POWER LIGHT IS BLINKING BLUE — The computer is in standby mode.
Press a key on the keyboard, move the mouse, or press the power button to
resume normal operation.
IF THE POWER LIGHT IS BLINKING AMBER — 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.
IF THE POWER LIGHT IS STEADY AMBER — 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.
ELIMINATE INTERFERENCE — 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