Network problems, Power problems – Dell Dimension 8250 User Manual
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Network Problems
Power Problems
Click the Start button, click Control Panel, and then click Printers and Other Hardware.
See "
Reinstalling Drivers
Check for interrupt request conflicts —
Resolving Software and Hardware Incompatibilities
Check the network cable connector —
Ensure that the network cable is connected.
Check the network lights on the back of the computer —
l
A solid green connection speed light indicates a 10-Mbps connection; a solid orange connection speed light indicates a 100-Mbps
connection.
l
A flashing yellow network activity light indicates that data is actively being transferred on the network.
Note that the lights do not function if the Low Power Mode option is set to Enabled in the system setup program and the computer is
turned off, or if a faulty network cable is connected to the network adapter.
Restart the computer and try to log on to the network again
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 —
Resolving Software and Hardware Incompatibilities
CAUTION:
Before you begin any of the procedures in this section, follow the safety instructions in your Owner's Manual.
Your computer may be in standby or hibernate mode. For information on power conservation modes, see
If the power light is green and the computer is not responding —
Diagnostic Lights
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
The computer is either turned off or is not receiving power.
Ensure that the electrical outlet is working by testing it with another device, such as a lamp.
Ensure that the main power cable is securely connected to the
system board
Ensure that the front panel cable is securely connected to the
system board
If the problem persists, contact Dell. See your Owner's Manual for contact information.
If the power light is amber and green —
The computer is receiving electrical power, but an internal power problem might exist.
Ensure that the microprocessor power cable is securely connected to the
system board
If the problem persists, contact Dell. See your Owner's Manual for contact information.
If the power light is steady amber —
The computer is receiving electrical power, but an internal power problem might exist.
Ensure that the microprocessor power cable is securely connected to the
system board
If the problem persists, contact Dell. See your Owner's Manual for contact information.
If the power light is blinking amber —
A device might be malfunctioning or incorrectly installed.
Remove and then reinstall the
memory modules
cards
If the problem persists, contact Dell. See your Owner's Manual for contact information.