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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 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 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.
NOTE: The memory count will be affected by configurations with the Management Engine (ME)
enabled. The ME uses 8MB of system memory in single channel mode or 16MB 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.
Table C-12 Solving Memory Problems
System will not boot or does not function properly after installing additional memory modules.
Cause Solution
A memory module is not installed in the XMM1 (or DIMM1)
socket.
Ensure that a memory module is installed in the black XMM1
(or DIMM1) socket on the system board. This socket must be
populated with a memory module.
Memory module is not the correct type or speed grade for
the system or the new memory module is not seated
properly.
Replace module with the correct industry-standard device for
the computer. On some models, ECC and non-ECC memory
modules cannot be mixed.
Out of memory error.
Cause Solution
Memory configuration may not be set up correctly. Use the Device Manager to check memory configuration.
You have run out of memory to run the application. Check the application documentation to determine the
memory requirements.
Memory count during POST is wrong.
Cause Solution
The memory modules may not be installed correctly. Check that the memory modules have been installed
correctly and that proper modules are used.
Integrated graphics may use system memory. No action required.
126 Appendix C Troubleshooting Without Diagnostics
- Maintenance and Service Guide 1
- About This Book 3
- Table of contents 5
- 1 Product Features 9
- Front Panel Components 10
- Rear Panel Components 11
- Serial Number Location 12
- Software 13
- Computer Setup—File 18
- Computer Setup—Storage 19
- Computer Setup—Security 20
- Computer Setup—Power 22
- Computer Setup—Advanced 23
- SATA Hard Drives 25
- SATA Hard Drive Cables 25
- SMART ATA Drives 26
- Hard Drive Capacities 26
- Chassis Designations 27
- Generating Static 28
- Grounding the Work Area 29
- Operating Guidelines 30
- Routine Care 31
- Service Considerations 32
- Cables and Connectors 33
- Hard Drives 33
- Lithium Coin Cell Battery 34
- 6 Illustrated parts catalog 35
- Spare parts 29 37
- Spare parts 31 39
- Spare parts 33 41
- Spare parts 35 43
- Preparation for Disassembly 45
- Computer Access Panel 47
- Front Bezel 48
- Bezel Blanks 49
- System Board Connections 50
- Installing Additional Memory 51
- Populating DIMM Sockets 52
- Installing DIMMs 52
- Cable Management 61
- Drive Positions 63
- Description Spare part number 77
- Baffle 636921-001 77
- Front Fan Assembly 78
- Speaker 636925-001 80
- Heat sink 81
- Processor 84
- Power Supply 86
- P2 PWRCMD 87
- P3 PWRCPU 87
- System Board 88
- Type 1 Battery Holder 91
- Type 2 Battery Holder 91
- Type 3 Battery Holder 92
- Orientation 93
- Installing a Security Lock 94
- Installing a Security Lock 87 95
- Front Bezel Security 96
- A Power Cord Set Requirements 98
- Country-Specific Requirements 99
- B POST Error Messages 100
- Audible Codes 102
- Safety and Comfort 104
- Helpful Hints 105
- Solving General Problems 107
- Solving General Problems 101 109
- Solving Power Problems 111
- Solving Hard Drive Problems 113
- Solving Display Problems 118
- Solving Display Problems 111 119
- Solving Display Problems 113 121
- Solving Audio Problems 123
- Solving Printer Problems 125
- Solving Network Problems 131
- Solving Network Problems 125 133
- Solving Memory Problems 134
- Solving Memory Problems 127 135
- Solving Processor Problems 136
- Cause Solution 142
- Solving Software Problems 144
- Resetting the Password Jumper 146
- F System Recovery 151
- System Recovery options 152
- Recovery media 154
- G Specifications 156
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