Hp COMPAQ DC5750 Uživatelský manuál stáhnout pdf (Strana 71)

Service Reference Guide, dc5750 437963-001 6–3

Removal and Replacement Procedures— Microtower (MT) Chassis

6.2.2 Installing a Padlock

A padlock may be used by itself to secure the access panel to the computer chassis. A padlock

may also be used with a security cable to secure the computer to a fixed object.

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HP Compaq dc5750 Business PC 1
1st Edition 1
Service Reference Guide 3
First Edition (November 2006) 4
Contents 5
2.1 Power-On Self-Test (POST) 11
2.2 Computer Setup Utilities 12
2.2.2 Computer Setup Menu 14
2.3 HP Insight Diagnostics 24
2.3.2 Survey Tab 25
2.3.3 Test Tab 26
2.3.4 Status Tab 27
2.3.5 Log Tab 27
2.3.6 Help Tab 27
Enter key 28
Desktop Management 29
3.1.1 HP OpenView Agent 30
3.3.3 HP Client Manager 32
3.3.5 HP Client Premium Suite 33
3.4 ROM Flash 35
Remote ROM Flash 36
Software Manager at 36
3.4.2 HPQFlash 37
3.4.4 Replicating the Setup 38
Copying to Multiple Computers 39
Creating a Bootable Device 40
3.4.5 Dual-State Power Button 42
3.4.6 HP Web Site Support 43
3.4.7 Industry Standards 43
3.5.1 Password Security 46
Entering a Power-On Password 47
Entering a Setup Password 47
3.5.4 DriveLock 49
Using DriveLock 50
DriveLock Applications 50
3.5.5 Smart Cover Sensor 51
3.5.6 Cable Lock Provision 52
3.6.3 Thermal Sensor 53
Features 55
4.2 SATA Hard Drive Cables 56
4.3 PATA Device Information 57
4.4 ATA SMART Drives 57
4.5 Hard Drive Capacities 57
Disassembly Preparation 59
5.1.2 Microtower (MT) 60
5.2.1 Generating Static 61
5.2.4 Grounding the Work Area 62
5.3 Operating Guidelines 63
5.4 Routine Care 63
5.4.3 Cleaning the Keyboard 64
5.5 Service Considerations 65
5.5.3 Screws 66
5.5.4 Cables and Connectors 66
5.5.5 Hard Drives 66
Microtower (MT) Chassis 69
6.2 External Security Devices 70
6.2.2 Installing a Padlock 71
6.3 Access Panel 72
6.4 Front Bezel 73
To reinstall the front bezel: 74
6.5 Front Drive Bezels 75
6.6 Cable Management 76
6.6.1 Cable Connections 77
6.7 Memory 78
6.8 Expansion Cards 79
6.9 Drives 83
Releasing the Drives 85
6.10 Chassis Fan 93
6.11 Front Shroud 94
6.13 Heatsink 96
6.14 Processor 97
6.15 Speaker 99
6.16 Power Supply 100
6.17 System Board 101
6.18 Battery 102
6.18.1 Type 1 Battery Holder 103
6.18.2 Type 2 Battery Holder 104
6.18.3 Type 3 Battery Holder 105
7.2.2 Padlo ck 108
7.2.1 Cable Lock 108
7.3 A cces s Panel 109
7.4 Fron t B ezel 110
7.5 Front D rive B ezels 111
7.6 Cable Management 112
7.6.1 Cable Connections 113
7.7 Dr ives 114
7.7.2 O pti cal Drive 115
7.7.4 H ard Drive 120
7.8 Mem or y 123
7.9 Expansion Card 125
7.10 Power Supply 127
7.11 Fan Shroud 128
7.12 Front I/O Device 129
7.13 Chassis Fan 130
7.15 Spea ke r 133
7.16 Heatsi nk 134
7.17 P rocessor 135
7.18 Sys tem B oard 137
7.19 Bat t er y 138
7.19.1 Type 1 Battery Holder 139
Connector Pin Assignments 143
Ethernet RJ-45 144
Ethernet AUI 144
Parallel Interface 144
Microphone 145
Headphone 145
Line-In Audio 145
Line-Out Audio 146
External Infrared Transceiver 146
PCI Express 150
DVI Connector 152
Power Cord Set Requirements 153
Country-Specific Requirements 154
POST Error Messages 155
Preliminary Checklist 167
Solving Minor Problems 168
Solving Power Supply Problems 171
Solving Diskette Problems 173
Solving Hard Drive Problems 175
Never remove the card when 178
Solving Display Problems 179
Ensure the computer power is 182
Solving Audio Problems 183
Solving Printer Problems 185
Solving Network Problems 191
Solving Memory Problems 194
Solving Processor Problems 195
Solving Drive Key Problems 198
Solving Software Problems 202
Designators 203
DDR2-SDRAM DIMMs 207
DIMM Sockets 207

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