Compaq Deskpro 2000 Compaq Deskpro 2000 Series of Personal Computers Pentium P - Page 255

Network Problems, Table G-11

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Network Problems Some common causes and solutions for network problems are listed in the following table. These guidelines do not discuss the process of debugging network cabling. Table G-11 Network Problems Problem Cause Solution System does not detect a network controller. Possible I/O address conflict Factory default is 300h to 30Fh for Ethernet. Either remove and with another expansion board. reconfigure the conflicting expansion board, or reconfigure the network controller. If the address is changed, ensure that the drive parameters match the new I/O address for the network controller. System Setup utility reports unprogrammed EPROM. 1. Possible I/O address conflict 1. Factory default is 300h to 30Fh for Ethernet. Either remove and with another expansion reconfigure the conflicting expansion board, or reconfigure the board. network controller. If the address is changed, ensure that the 2. The network controller is defective. drive parameters match the new I/O address for the network controller. 3. Network drivers are not 2. Replace the controller or the system board. loaded. 3. Boot the computer without the network drivers, using a system boot diskette, and reconfigure the network controller. Diagnostics reports a failure. 1. Possible I/O address conflict 1. Factory default is 300h to 30Fh for Ethernet. Either remove and with another expansion reconfigure the conflicting expansion board, or reconfigure the board. network controller. If the address is changed, ensure that the 2. The cable is not securely connected. drive parameters match the new I/O address for the network controller. 3. The cable is attached to the 2. Ensure that the cable is securely attached to the network incorrect connector. connector and that the other end of the cable is securely attached to the correct device. 4. There is a problem with the cable or a device at the other 3. Ensure that the cable is attached to the correct connector. end of the cable. 4. Ensure that the cable and device at the other end are operating 5. The network controller is correctly. defective. 5. Replace the controller or the system board. 6. Network controller interrupt 6. Run Computer Setup and modify the network controller memory or memory overlaps the value. interrupt or memory of an expansion board. Diagnostics passes, but the computer does not communicate with the network. 1. Network drivers are not 1. Make sure the network drivers are loaded and that the driver loaded, or driver parameters parameters match the configuration of the network controller. do not match current configuration. 2. In Windows 95 or Windows NT, select the Network icon at the Control Panel. 2. The network controller is not Reconfigure the driver if necessary, using the Network Setup configured for this computer. found in the Control Center. 3. The network controller 3. Run Computer Setup and modify the network controller memory interrupt or memory overlaps value. the interrupt or memory of an expansion board. Continued G-10 Troubleshooting Without Diagnostics

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G-10
Troubleshooting Without Diagnostics
Network Problems
Some common causes and solutions for network problems are listed in the following table. These
guidelines do not discuss the process of debugging network cabling.
Table G-11
Network Problems
Problem
Cause
Solution
System does not detect a
network controller.
Possible I/O address conflict
with another expansion board.
Factory default is 300h to 30Fh for Ethernet. Either remove and
reconfigure the conflicting expansion board, or reconfigure the
network controller. If the address is changed, ensure that the drive
parameters match the new I/O address for the network controller.
System Setup utility reports
unprogrammed EPROM.
1. Possible I/O address conflict
with another expansion
board.
2. The network controller is
defective.
3. Network drivers are not
loaded.
1. Factory default is 300h to 30Fh for Ethernet. Either remove and
reconfigure the conflicting expansion board, or reconfigure the
network controller. If the address is changed, ensure that the
drive parameters match the new I/O address for the network
controller.
2. Replace the controller or the system board.
3. Boot the computer without the network drivers, using a system
boot diskette, and reconfigure the network controller.
Diagnostics reports a failure.
1. Possible I/O address conflict
with another expansion
board.
2. The cable is not securely
connected.
3. The cable is attached to the
incorrect connector.
4. There is a problem with the
cable or a device at the other
end of the cable.
5. The network controller is
defective.
6. Network controller interrupt
or memory overlaps the
interrupt or memory of an
expansion board.
1. Factory default is 300h to 30Fh for Ethernet. Either remove and
reconfigure the conflicting expansion board, or reconfigure the
network controller. If the address is changed, ensure that the
drive parameters match the new I/O address for the network
controller.
2. Ensure that the cable is securely attached to the network
connector and that the other end of the cable is securely
attached to the correct device.
3. Ensure that the cable is attached to the correct connector.
4. Ensure that the cable and device at the other end are operating
correctly.
5. Replace the controller or the system board.
6. Run Computer Setup and modify the network controller memory
value.
Diagnostics passes, but
the computer does not
communicate with the
network.
1. Network drivers are not
loaded, or driver parameters
do not match current
configuration.
2. The network controller is not
configured for this computer.
3. The network controller
interrupt or memory overlaps
the interrupt or memory of an
expansion board.
1. Make sure the network drivers are loaded and that the driver
parameters match the configuration of the network controller.
2. In Windows 95 or Windows NT, select the Network icon at the
Control Panel.
Reconfigure the driver if necessary, using the Network Setup
found in the Control Center.
3. Run Computer Setup and modify the network controller memory
value.
Continued