Dell Precision T5400 (Late 2007) - Manual (Page 117)

Troubleshooting 117
• Reseat the power cable in the power connector on the back of the computer and the
electrical outlet.
• 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 (see "System Board Components" on page 28).
I F T H E P O W ER 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, 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).
• Ensure that all components and cables are properly installed and securely connected
to the system board (see "System Board Components" on page 28).
I F T H E P O W ER L I G H T I S ST E A D Y A MB E R — A device may be malfunctioning or
incorrectly installed.
• Ensure that the processor power cable is securely connected to the system board
power connector (POWER2) (see "System Board Components" on page 28).
• Remove and then reinstall all memory modules (see "Memory" on page 187).
E L I M I N A T E I N T E RF E R E N CE — 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
Printer Problems
CAUTION: Before you begin any of the procedures in this section, follow the
safety instructions in the Product Information Guide.
NOTE: If you need technical assistance for your printer, contact the printer’s
manufacturer.
C H E C K T H E P RI NT E R D O C U M E N T A T I O N — See the printer documentation for setup
and troubleshooting information.
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N SU R E T H A T T H E P RI N TE R I S T U RN E D O N
C H E C K T H E P RI NT E R C A B L E CO N N E C T I O N S —