Diagnostics passes, but the computer does not communicate with the network.
Cause Solution
Network drivers are not loaded, or driver parameters do not
match current configuration.
Make sure the network drivers are loaded and that the driver
parameters match the configuration of the network controller.
Make sure the correct network client and protocol is installed.
The network controller is not configured for this computer. Select the Network icon in the Control Panel and configure
the network controller.
Cannot connect to network server when attempting Remote System Installation.
Cause Solution
The network controller is not configured properly. Verify Network Connectivity, that a DHCP Server is present,
and that the Remote System Installation Server contains the
NIC drivers for your NIC.
System setup utility reports unprogrammed EEPROM.
Cause Solution
Unprogrammed EEPROM. Contact an authorized service provider.
Solving Memory Problems
If you encounter memory problems, some common causes and solutions are listed in the following
table.
CAUTION: Power may still be supplied to the DIMMs. To avoid damage to the DIMMs or the
system board, you must unplug the computer power cord and wait 30 seconds before attempting to
reseat, install, or remove a DIMM module.
For those systems that support ECC memory, HP does not support mixing ECC and non-ECC
memory. Otherwise, the computer will not boot the operating system.
System will not boot or does not function properly after installing additional memory modules.
Cause Solution
Memory module is not seated properly Ensure that the memory modules are fully inserted into the
memory sockets on the system board and are in the closed
(locked) position.
A memory module is not installed in the system board
memory socket.
The sockets must be populated with at least one memory
module.
Memory module is not the correct type or speed grade for
the system.
Replace module with the correct industry-standard device for
the computer. On some models, ECC and non-ECC memory
modules cannot be mixed.
118 Appendix E Troubleshooting Without Diagnostics
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