HP EliteOne 870 Maintenance and Service Guide - Page 69

Cannot connect to network server when attempting remote system installation

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Cause The cable is not securely connected. The network controller is defective. Solution Be sure 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. Cannot connect to network server when attempting remote system installation Use this information to troubleshoot the computer. Cause The network controller is not configured properly. Solution Verify network connectivity, that a DHCP Server is present, and that the Remote System Installation Server contains the network interface card (NIC) drivers for your NIC. System setup utility reports unprogrammed EEPROM Use this information to troubleshoot the computer. Cause Unprogrammed EEPROM. Solution Contact an authorized service provider. Solving memory problems If you encounter memory problems, some common causes and solutions are listed in these tables. IMPORTANT: Power can still be supplied to the DIMMs when the computer is turned off (depending on the Management Engine (ME) settings). To avoid damage to the DIMMs or the system board, you must unplug the computer power cord before attempting to reseat, install, or remove a memory 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. NOTE: The memory count will be affected by configurations with the Management Engine (ME) enabled. The ME uses 8 MB of system memory in single-channel mode or 16 MB of memory in dual-channel mode to download, decompress, and execute the ME firmware for Out-of-Band (OOB), third-party data storage, and other management functions. System will not boot or does not function properly after installing additional memory modules Use this information to troubleshoot the computer. Cause A memory module is not installed in the DIMM1 or XMM1 socket. Memory module is not the correct type or speed grade for the system, or the new memory module is not seated properly. Solution Verify that a memory module is installed in the DIMM1 or XMM1 socket on the system board. This socket must be populated with a memory module. Replace module with the correct industry-standard device for the computer. On some models, ECC and non-ECC memory modules cannot be mixed. 62 Chapter 5 Troubleshooting without diagnostics

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Solution
Cause
Be sure 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 cable is not securely connected.
Contact an authorized service provider.
The network controller is defective.
Cannot connect to network server when attempting remote system installation
Use this information to troubleshoot the computer.
Solution
Cause
Verify network connectivity, that a DHCP Server is present, and that the
Remote System Installation Server contains the network interface card (NIC)
drivers for your NIC.
The network controller is not configured
properly.
System setup utility reports unprogrammed EEPROM
Use this information to troubleshoot the computer.
Solution
Cause
Contact an authorized service provider.
Unprogrammed EEPROM.
Solving memory problems
If you encounter memory problems, some common causes and solutions are listed in these tables.
IMPORTANT:
Power can still be supplied to the DIMMs when the computer is turned off (depending on the
Management Engine (ME) settings). To avoid damage to the DIMMs or the system board, you must unplug
the computer power cord before attempting to reseat, install, or remove a memory 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.
NOTE:
The memory count will be affected by configurations with the Management Engine (ME) enabled.
The ME uses 8 MB of system memory in single-channel mode or 16 MB of memory in dual-channel mode to
download, decompress, and execute the ME firmware for Out-of-Band (OOB), third-party data storage, and
other management functions.
System will not boot or does not function properly after installing additional memory
modules
Use this information to troubleshoot the computer.
Solution
Cause
Verify that a memory module is installed in the DIMM1 or XMM1 socket on the
system board. This socket must be populated with a memory module.
A memory module is not installed in the DIMM1
or XMM1 socket.
Replace module with the correct industry-standard device for the computer.
On some models, ECC and non-ECC memory modules cannot be mixed.
Memory module is not the correct type or speed
grade for the system, or the new memory
module is not seated properly.
62
Chapter 5
Troubleshooting without diagnostics