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Processor heatsink
Removing the CPU heatsink
NOTE The following illustrated CPU heatsink is typical of what you might have in your
workstation. Be aware that different variations of the CPU heatsinks exist, but the overall
procedures listed are sufficient to assist you in removing the CPU heatsink.
1. Shut down the workstation, and disconnect power from the system ( Pre-disassembly
procedures on page 55). Remove the access panel (Access panel on page 61), and place the
workstation on its side with the system board facing up.
2. Remove the two processor screws slowly, being sure to loosen the screws evenly. Loosen one
screw (1) until the screw shank disengages from the system board, then loosen the remaining
screw (2). Do not fully loosen one screw, then move on to the next. Loosen both screws a little at
a time, so that the processor remains level.
Figure 4-45 Identifying proper screw removal order
3. Disconnect the CPU heatsink fan connector (1) from the system board.
ENWW Removing and replacing components 91
- Technical Reference Guide 1
- Table of contents 3
- 1 Product overview 9
- Product features 10
- Front panel components 11
- Rear panel components 12
- Product specifications 14
- Power supply specifications 15
- Environmental specifications 17
- Chipkill support 20
- Energy Star® 21
- Upgrading device drivers 24
- Linux-enabled workstations 25
- HP software 26
- The RestorePlus! process 27
- Ordering backup software 28
- Protecting the software 30
- 3 System management 31
- Computer Setup (F10) Utility 32
- BIOS ROM 33
- Heading Option Description 41
- * Available on select models 41
- Desktop management 42
- HP Client Manager software 43
- System Software Manager 44
- Proactive Change Notification 44
- Subscriber’s Choice 44
- ROM flash 45
- Replicating the setup 46
- Dual-state power button 48
- Worldwide web site 48
- Asset tracking and security 49
- Password security 50
- Arabic / Greek - Russian / 53
- Chinese / Japanese / Swiss 53
- Thermal sensors 56
- Service considerations 58
- Grounding the work area 59
- Required tools and software 60
- Cables and connectors 61
- Hard drives 61
- Lithium coin cell battery 61
- Customer Self Repair 62
- Pre-disassembly procedures 63
- System board components 64
- System board architecture 66
- Disassembly order 67
- Security lock (optional) 69
- Cable lock (optional) 69
- Access panel 69
- Front bezel 70
- Bezel blanks 71
- Power supply 75
- System fan 75
- Memory fan 76
- Memory 77
- Removing memory module 78
- Installing a memory module 79
- PCI slots 81
- PCI retention clamp 83
- PCI Express 83
- Front fan removal 86
- Battery 88
- Optical drive 91
- Diskette drive (optional) 92
- Hard drive 95
- Processor heatsink 99
- Replacing the CPU heatsink 100
- Processor 102
- System board 104
- Replacing the System Board 105
- 5 System diagnostics and 107
- E-Support 108
- Troubleshooting checklist 109
- LED color definitions 110
- Key features and benefits 111
- Theory of operation 111
- Download the ISO image 111
- User interface 112
- Status tab 113
- Help tab 114
- Diagnostic error codes 115
- Solving minor problems 118
- Solving power supply problems 119
- Solving diskette problems 121
- Solving hard drive problems 123
- Solving display problems 124
- Solving audio problems 127
- Solving printer problems 128
- Solving network problems 132
- Solving memory problems 134
- Solving processor problems 135
- Problem Cause Solution 138
- POST error messages 139
- ENWW POST error messages 133 141
- ENWW POST error messages 135 143
- ENWW POST error messages 137 145
- A SAS devices 147
- SAS RAID 0 (IS) configuration 149
- SAS RAID 1 (IM) configuration 150
- Changing boot order 152
- B SATA devices 153
- Configuring a SATA RAID array 155
- Deleting RAID volumes 157
- C Connector pins 159
- Connector pin descriptions 160
- D System board designators 169
- ENWW 163 171
- E Power cord set requirements 173
- F Routine care 175
- Maximizing the airflow 177
- Cleaning the workstation case 178
- Cleaning the keyboard 179
- Cleaning the monitor 180
- Cleaning the mouse 181
- Using the CMOS button 185
- Initial troubleshooting 188
- No power 189
- No power, part 2 190
- No power, part 3 191
- No video 192
- No video, part 2 193
- No video, part 3 194
- Error messages 195
- Error messages, part 2 196
- Error messages, part 3 197
- No operating system loading 198
- Non-functioning device 205
- I PCI bus layout 207
- Figure I-1 PCI bus layout 208
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