Dell XPS 710 - Manual (Page 92)

Power Problems
Printer Problems
CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide.
Check the network cable connector — Ensure that the network cable is firmly inserted into the network connector on the back of the
computer and the network jack.
Check the network lights on the back of the computer — If the link integrity light is off (see see Controls and Lights ), no network
communication is occurring. Replace the network cable.
Restart the computer and log on to the network again
Check your network settings — Contact your network administrator or the person who set up your network to verify that your network
settings are correct and that the network is functioning.
Run the Hardware Troubleshooter — See Resolving Software and Hardware Incompatibilities .
CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide.
If the power light is green and the computer is not responding — See Diagnostic Lights .
If the power light is blinking green — 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 off — The computer is either turned off or is not receiving power.
l Reseat the power cable in the power connector on the back of the computer and the electrical outlet.
l Bypass power strips, power extension cables, and other power protection devices to verify that the computer turns on properly.
l Ensure that any power strips being used are plugged into an electrical outlet and are turned on.
l Ensure that the electrical outlet is working by testing it with another device, such as a lamp.
l Ensure that the main power cable and front panel cable are securely connected to the system board (see System Board
Components ).
If the power light is blinking amber — The computer is receiving electrical power, but an internal power problem may exist.
l Ensure that the voltage selection switch is set to match the AC power at your location (if applicable).
l Ensure that all components and cables are properly installed and securely connected to the system board (see System Board
Components ).
If the power light is steady amber — A device may be malfunctioning or incorrectly installed.
l Ensure that the processor power cable is securely connected to the system board power connector (POWER2) (see System Board
Components ).
l Remove and then reinstall all memory modules (see Memory ).
l Remove and then reinstall any expansion cards, including graphics cards (see Removing PCI and PCI Express Cards ).
Eliminate interference — Some possible causes of interference are:
l Power, keyboard, and mouse extension cables
l Too many devices connected to the same power strip
l Multiple power strips connected to the same electrical outlet