HP 285 Maintenance and Service Guide - Page 89

Solving network problems, Network and Sharing Center

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Diagnostics passes, but the computer does not communicate with the network. Cause Solution Make sure the correct network client and protocol is installed. The network controller is not configured for this computer. Select the Network and Sharing Center icon in the Control Panel and configure the network controller. To access Control Panel in Windows 7, click Start, and then select Control Panel. To access Control Panel in Windows 10, type control panel in the taskbar search box, and then select Control Panel from the list of applications. Network controller stopped working when an expansion board was added to the computer. Cause Solution Network controller interrupt is shared with an expansion board. Under the Computer Setup Advanced menu, change the resource settings for the board. The network controller requires drivers. Verify that the drivers were not accidentally deleted when the drivers for a new expansion board were installed. The expansion board installed is a network card (NIC) and conflicts Under the Computer Setup Advanced menu, change the resource with the embedded NIC. settings for the board. Network controller stops working without apparent cause. Cause The files containing the network drivers are corrupted. The cable is not securely connected. The network controller is defective. Solution Reinstall the network drivers using the Recovery Disc Set in Windows 7. If necessary, download the softpaq from the web (from a different computer). 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. Contact an authorized service provider. New network card will not boot. Cause New network card may be defective or may not meet industrystandard specifications. Solution Install a working, industry-standard NIC, or change the boot sequence to boot from another source. Solving network problems 81

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Diagnostics passes, but the computer does not communicate with the network.
Cause
Solution
Make sure the correct network client and protocol is installed.
The network controller is not
configured
for this computer.
Select the
Network and Sharing Center
icon in the
Control Panel
and
configure
the network controller.
To access Control Panel in Windows 7, click
Start
, and then select
Control Panel
.
To access Control Panel in Windows 10, type
control panel
in
the taskbar search box, and then select
Control Panel
from the
list of applications.
Network controller stopped working when an expansion board was added to the computer.
Cause
Solution
Network controller interrupt is shared with an expansion board.
Under the Computer Setup
Advanced
menu, change the resource
settings for the board.
The network controller requires drivers.
Verify that the drivers were not accidentally deleted when the
drivers for a new expansion board were installed.
The expansion board installed is a network card (NIC) and
conflicts
with the embedded NIC.
Under the Computer Setup
Advanced
menu, change the resource
settings for the board.
Network controller stops working without apparent cause.
Cause
Solution
The
files
containing the network drivers are corrupted.
Reinstall the network drivers using the Recovery Disc Set in
Windows 7.
If necessary, download the softpaq from the web (from a
different
computer).
The cable is not securely connected.
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.
The network controller is defective.
Contact an authorized service provider.
New network card will not boot.
Cause
Solution
New network card may be defective or may not meet industry-
standard
specifications.
Install a working, industry-standard NIC, or change the boot
sequence to boot from another source.
Solving network problems
81