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HP Dc5800 Service Reference Guide: HP Compaq dc5800 Business PC - Page 107

Heatsink, Remove the heatsink from the processor.

UPC - 883585860944

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Heatsink 1. Prepare the computer for disassembly (Preparation for Disassembly on page 61). 2. Remove the computer access panel (Computer Access Panel on page 66). 3. Unplug the fan cable from the system board (CPUFAN, P8). 4. Loosen the four silver T15 captive screws that secure the heatsink to the system board. CAUTION: Heatsink retaining screws should be removed in diagonally opposite pairs (as in an X) to even the downward forces on the processor. This is especially important as the pins on the socket are very fragile and any damage to them may require replacing the system board. 5. Remove the heatsink from the processor. When reinstalling the heatsink, make sure that its bottom has been cleaned with an alcohol wipe and fresh thermal grease has been applied to the top of the processor. CAUTION: Heatsink retaining screws should be tightened in diagonally opposite pairs (as in an X) to evenly seat the heatsink on the processor. This is especially important as the pins on the socket are very fragile and any damage to them may require replacing the system board. Heatsink 99

Section	Page
Installing and Customizing the Software	9
Installing the Operating System	9
Installing or Upgrading Device Drivers	9
HP Backup and Recovery Manager	10
Computer Setup (F10) Utility	11
Computer Setup (F10) Utilities	11
Using Computer Setup (F10) Utilities	12
Computer Setup—File	13
Computer Setup—Storage	14
Computer Setup—Security	16
Computer Setup—Power	19
Computer Setup—Advanced	20
Recovering the Configuration Settings	22
Computer Diagnostic Features	23
HP Insight Diagnostics	23
Accessing HP Insight Diagnostics	23
Survey Tab	24
Test Tab	25
Status Tab	25
Log Tab	26
Help Tab	26
Saving and Printing Information in HP Insight Diagnostics	27
Downloading the Latest Version of HP Insight Diagnostics	27
Protecting the Software	27
HP Backup and Recovery Manager	28
Desktop Management	29
Initial Configuration and Deployment	29
HP Software Agent	30
Altiris Deployment Solution Agent	30
Remote System Installation	31
Software Updating and Management	31
HP Client Management Interface	31
HP SoftPaq Download Manager	32
HP System Software Manager	32
HP ProtectTools Security Manager	33
HP Client Catalog for SMS	33
HP Client Configuration Manager	34
HP Configuration Management Solution	34
HP Client Manager for Altiris	34
Altiris Client Management Suite	35
HP Client Catalog for SMS	35
HP Backup and Recovery Manager	36
Intel vPro-branded PCs with Active Management Technology	36
Verdiem Surveyor	38
HP Proactive Change Notification	38
Subscriber’s Choice	39
Retired Solutions	39
ROM Flash	39
Remote ROM Flash	39
HPQFlash	40
Boot Block Emergency Recovery Mode	40
Replicating the Setup	40
Copying to Single Computer	41
Copying to Multiple Computers	41
Creating a Bootable Device	42
Supported USB Flash Media Device	42
Unsupported USB Flash Media Device	44
Dual-State Power Button	45
HP Web Site Support	46
Industry Standards	46
Asset Tracking and Security	46
Password Security	48
Establishing a Setup Password Using Computer Setup	48
Establishing a Power-On Password Using Computer Setup	49
Entering a Power-On Password	49
Entering a Setup Password	49
Changing a Power-On or Setup Password	50
Deleting a Power-On or Setup Password	50
National Keyboard Delimiter Characters	51
Clearing Passwords	51
DriveLock	51
Using DriveLock	51
DriveLock Applications	52
Smart Cover Sensor	53
Setting the Smart Cover Sensor Protection Level	53
Smart Cover Lock	53
Locking the Smart Cover Lock	54
Unlocking the Smart Cover Lock	54
Using the Smart Cover FailSafe Key	54
Cable Lock Provision	55
Fingerprint Identification Technology	55
Fault Notification and Recovery	55
Drive Protection System	55
Surge-Tolerant Power Supply	55
Thermal Sensor	55
Serial and Parallel ATA Drive Guidelines and Features	56
SATA Hard Drives	56
SATA Hard Drive Cables	57
SATA Data Cable	57
SATA Power Cable	57
PATA Device Information	58
ATA SMART Drives	58
Hard Drive Capacities	58
Identifying the Chassis, Routine Care, and Disassembly Preparation	59
Chassis Designations	59
Microtower (MT)	59
Small Form Factor (SFF)	60
Electrostatic Discharge Information	61
Generating Static	61
Preventing Electrostatic Damage to Equipment	61
Personal Grounding Methods and Equipment	62
Grounding the Work Area	62
Recommended Materials and Equipment	62
Operating Guidelines	63
Routine Care	64
General Cleaning Safety Precautions	64
Cleaning the Computer Case	64
Cleaning the Keyboard	64
Cleaning the Monitor	65
Cleaning the Mouse	65
Service Considerations	65
Power Supply Fan	65
Tools and Software Requirements	65
Screws	66
Cables and Connectors	66
Hard Drives	66
Lithium Coin Cell Battery	67
Removal and Replacement Procedures Microtower (MT) Chassis	68
Serial Number Location	68
Preparation for Disassembly	69
External Security Devices	70
Cable Lock	70
Padlock	70
HP Business PC Security Lock	71
Front Bezel Security	73
Computer Access Panel	74
Front Bezel	75
Cable Management	76
Cable Connections	77
Memory	78
Expansion Cards	81
Drives	85
System Board Drive Connections	87
Drive Positions	88
Removing an External 5.25-inch or 3.5-inch Drive	89
Installing an External 5.25-inch or 3.5-inch Drive	91
Removing an Internal 3.5-inch Hard Drive	94
Installing an Internal 3.5-inch Hard Drive	95
Removing and Replacing a Removable 3.5-inch SATA Hard Drive	97
ReadyBoost Card	102
Processor Baffle	103
Fan/Air Baffle	104
Front USB Panel	105
Power Switch/LED Assembly	106
Heatsink	107
Processor	108
Speaker	109
Rear Chassis Fan	110
Optional Serial Port	111
Power Supply	112
System Board	114
Battery	115
Type 1 Battery Holder	116
Type 2 Battery Holder	116
Type 3 Battery Holder	117
Removal and Replacement Procedures Small Form Factor (SFF) Chassis	118
Preparation for Disassembly	118
External Security Devices	119
Installing a Security Lock	119
Cable Lock	119
Padlock	120
HP Business PC Security Lock	121
Front Bezel Security	123
Computer Access Panel	124
Front Bezel	125
Bezel Blanks	126
Using the Small Form Factor Computer in a Tower Orientation	127
Installing Additional Memory	129
DIMMs	129
DDR2-SDRAM DIMMs	129
Populating DIMM Sockets	130
Installing DIMMs	131
Expansion Cards	133
Cable Management	137
Cable Connections	139
Drives	140
Drive Positions	140
Installing and Removing Drives	141
System Board Drive Connections	143
Removing an Optical Drive	144
Installing an Optical Drive into the 5.25-inch Drive Bay	145
Removing an External 3.5-inch Drive	148
Installing a Drive into the 3.5-inch External Drive Bay	150
Removing and Replacing the Primary 3.5-inch Internal SATA Hard Drive	152
Removing and Replacing a Removable 3.5-inch SATA Hard Drive	156
Cable Routing	160
ReadyBoost Card	161
Inner Baffle	162
Fan/Outer Baffle	163
Power Switch Assembly	164
Front I/O Device	165
Heatsink	166
Processor	167
Speaker	168
Power Supply	169
System Board	170
Battery	171
Type 1 Battery Holder	172
Type 2 Battery Holder	172
Type 3 Battery Holder	173
Connector Pin Assignments	174
Keyboard	174
Mouse	174
Ethernet BNC	174
Ethernet RJ-45	175
Ethernet AUI	175
Parallel Interface	176
Serial Interface, Powered and Non-Powered	176
USB	177
Microphone	177
Headphone	177
Line-in Audio	177
Line-out Audio	177
External Infrared Transceiver	178
Monitor	178
ATA/ATAPI (IDE) Standard Drive Cable	179
CD-ROM 50-Pin Connector	180
24-Pin Power	180
24-Pin MicroFit Power (CMT, SFF)	181
4-Pin Power (for CPU)	181
6-Pin Power (for CPU) (CMT, SFF)	181
SATA Data and Power	182
PCI Express	182
PCI Express	183
PCI Express Mini Card	184
DVI Connector	185
Power Cord Set Requirements	186
General Requirements	186
Japanese Power Cord Requirements	186
Country-Specific Requirements	187
POST Error Messages	188
POST Numeric Codes and Text Messages	189
Interpreting POST Diagnostic Front Panel LEDs and Audible Codes	196
Password Security and Resetting CMOS	199
Resetting the Password Jumper	200
Clearing and Resetting the CMOS	201
Troubleshooting Without Diagnostics	203
Safety and Comfort	203
Before You Call for Technical Support	203
Helpful Hints	204
Solving General Problems	206
Solving Power Problems	210
Solving Diskette Problems	211
Solving Hard Drive Problems	214
Solving Media Card Reader Problems	217
Solving Display Problems	219
Solving Audio Problems	223
Solving Printer Problems	225
Solving Keyboard and Mouse Problems	226
Solving Hardware Installation Problems	228
Solving Network Problems	230
Solving Memory Problems	233
Solving Processor Problems	235
Solving CD-ROM and DVD Problems	236
Solving Drive Key Problems	238
Solving Front Panel Component Problems	239
Solving Internet Access Problems	240
Solving Software Problems	242
Contacting Customer Support	243
System Board and Riser Board Reference Designators	244

Match case Limit results 1 per page

Heatsink

Prepare the computer for disassembly (

Preparation for Disassembly

on page

Remove the computer access panel (

Computer Access Panel

on page

Unplug the fan cable from the system board (CPUFAN, P8).

Loosen the four silver T15 captive screws that secure the heatsink to the system board.

CAUTION:

Heatsink retaining screws should be removed in diagonally opposite pairs (as in an

X) to even the downward forces on the processor. This is especially important as the pins on the

socket are very fragile and any damage to them may require replacing the system board.

Remove the heatsink from the processor.

When reinstalling the heatsink, make sure that its bottom has been cleaned with an alcohol wipe and

fresh thermal grease has been applied to the top of the processor.

CAUTION:

Heatsink retaining screws should be tightened in diagonally opposite pairs (as in an X) to

evenly seat the heatsink on the processor. This is especially important as the pins on the socket are

very fragile and any damage to them may require replacing the system board.

Heatsink