Dell Dimension 2400 Owner's Manual - Page 28

Network Problems, Power Problems

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www.dell.com | support.dell.com Network 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 both the network connector on the back of the computer and the network jack. CHECK THE NETWORK LIGHTS ON THE BACK OF THE COMPUTER - No light indicates that no network communication exists. 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. CHECK FOR INTERRUPT REQUEST CONFLICTS - See page 44. Power Problems 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" on page 35. IF THE POWER LIGHT IS BLINKING GREEN - The computer is in standby mode. Press a key on the keyboard or move the mouse to resume normal operation. IF THE POWER LIGHT IS OFF - The computer is either turned off or is not receiving power. • Reseat the power cable into both the power connector on the back of the computer and the electrical outlet. • If the computer is plugged into a power strip, ensure that the power strip is plugged into an electrical outlet and that the power strip is turned on. Also bypass power protection devices, power strips, and power extension cables to verify that the computer turns on properly. • 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. For more information, see page 51. 28 Solving Problems

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28
Solving Problems
www.dell.com | support.dell.com
Network Problems
CAUTION:
Before you begin any of the procedures in this section, follow the safety instructions in the
Product Information Guide
.
Power Problems
CAUTION:
Before you begin any of the procedures in this section, follow the safety instructions in the
Product Information Guide
.
C
HECK
THE
NETWORK
CABLE
CONNECTOR
—
Ensure that the network cable is firmly inserted into both the
network connector on the back of the computer and the network jack.
C
HECK
THE
NETWORK
LIGHTS
ON
THE
BACK
OF
THE
COMPUTER
—
No light indicates that no network
communication exists. Replace the network cable.
R
ESTART
THE
COMPUTER
AND
LOG
ON
TO
THE
NETWORK
AGAIN
C
HECK
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.
C
HECK
FOR
INTERRUPT
REQUEST
CONFLICTS
—
See page 44.
I
F
THE
POWER
LIGHT
IS
GREEN
AND
THE
COMPUTER
IS
NOT
RESPONDING
—
See "Diagnostic Lights" on page 35.
I
F
THE
POWER
LIGHT
IS
BLINKING
GREEN
—
The computer is in standby mode. Press a key on the keyboard or
move the mouse to resume normal operation.
I
F
THE
POWER
LIGHT
IS
OFF
—
The computer is either turned off or is not receiving power.
•
Reseat the power cable into both the power connector on the back of the computer and the electrical
outlet.
•
If the computer is plugged into a power strip, ensure that the power strip is plugged into an electrical
outlet and that the power strip is turned on. Also bypass power protection devices, power strips, and
power extension cables to verify that the computer turns on properly.
•
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. For
more information, see page 51.