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HP dx7200 HP Compaq Business PC dx7200 MT Service Reference Guide, 1st edition - Page 101

Power Supply

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Removal and Replacement Procedures- Microtower (MT) Chassis 6.17 Power Supply Å WARNING: Voltage is always present on the system board when the computer is plugged into an active AC outlet. To avoid possible personal injury and damage to the equipment the power cord should be disconnected from the computer and/or the AC outlet before opening the computer. 1. Prepare the computer for disassembly (Section 6.1). 2. Remove the access panel and rotate the computer so the system board is parallel to the table to make it easier to work on (Section 6.3). 3. Disconnect all power cables from the mass storage devices and from the system board. 4. Remove the screws that connect the power supply to the chassis 1. Service Reference Guide, dx7200 390812-001 6-29

Section	Page
Contents	5
Installing the Operating System	9
1.1 Installing or Upgrading Device Drivers	9
1.2 Transferring Files and Settings	10
1.3 Backing Up and Restoring Files	10
1.3.1 Creating a Backup File-Windows XP Professional	10
1.3.2 Restoring from the Backup File-Windows XP Professional	10
1.4 Converting to NTFS	10
1.5 HP Software	10
Setup Utilities and Diagnostics Features	13
2.1 Power-On Self-Test (POST)	13
2.2 Computer Setup Utilities	14
2.2.1 Using Computer Setup (F10) Utilities	15
2.2.2 Computer Setup Menu	16
2.2.3 Recovering the Configuration Settings	26
2.3 HP Insight Diagnostics	26
2.3.1 Accessing HP Insight Diagnostics	26
2.3.2 Survey Tab	27
2.3.3 Test Tab	28
2.3.4 Status Tab	29
2.3.5 Log Tab	29
2.3.6 Saving and Printing Information in HP Insight Diagnostics	29
2.3.7 Downloading the Latest Version of HP Insight Diagnostics	30
Desktop Management	31
3.1 Initial Configuration and Deployment	31
3.1.1 Altiris Deployment Solution Agent	32
3.1.2 HP Local Recovery	32
3.2 Remote System Installation	32
3.3 Software Updating and Management	33
3.3.1 HP System Software Manager	33
3.3.2 HP Client Manager	33
3.3.3 HP Client Management Solutions using Altiris	34
3.3.4 HP Local Recovery	35
3.3.5 Dantz Retrospect Express	35
3.3.6 Proactive Change Notification	36
3.3.7 Subscriber’s Choice	36
3.3.8 Retired Solutions	36
3.4 ROM Flash	37
3.4.1 Remote ROM Flash	37
3.4.2 HPQFlash	37
3.4.3 Boot Block Emergency Recovery Mode	37
3.4.4 Replicating the Setup	38
3.4.5 Dual-State Power Button	43
3.4.6 World Wide Web Site	43
3.4.7 Building Blocks and Partners	43
3.5 Asset Tracking and Security	44
3.5.1 Password Security	47
3.5.2 Establishing a Setup Password Using Computer Setup	47
3.5.3 Establishing a Power-On Password Using Computer Setup	48
3.5.4 DriveLock	50
3.5.5 Smart Cover Sensor	52
3.5.6 Cable Lock Provision	54
3.5.7 TPM Embedded Security Chip and HP ProtectTools Security Manager	54
3.6 Fault Notification and Recovery	54
3.6.1 Drive Protection System	54
3.6.2 Surge-Tolerant Power Supply	54
3.6.3 Thermal Sensor	54
Serial and Parallel ATA Drive Guidelines and Features	55
4.1 SATA 1.5 and 3.0 Hard Drives	55
4.2 SATA Hard Drive Cables	56
4.2.1 SATA Data Cable	56
4.2.2 SATA Power Cable	56
4.3 PATA Device Information	57
4.4 PATA Cables	57
4.4.1 PATA Data Cable	57
4.4.2 PATA Power Cable	58
4.5 PATA Drive Installation Guidelines	58
4.5.1 PATA Device Classes	58
4.6 SATA SMART Drives	59
4.7 Drive Capacities	59
4.8 SATA BIOS	59
4.8.1 Legacy Mode	60
4.8.2 Native Mode	60
4.9 Mixed Devices Boot and Drive Letter Ordering	61
Identifying the Chassis, Routine Care, and Disassembly Preparation	63
5.1 Chassis Designations	63
5.1.1 Microtower (MT)	63
5.1.2 Slim Tower (ST)	64
5.2 Electrostatic Discharge Information	65
5.2.1 Generating Static	65
5.2.2 Preventing Electrostatic Damage to Equipment	65
5.2.3 Personal Grounding Methods and Equipment	66
5.2.4 Grounding the Work Area	66
5.2.5 Recommended Materials and Equipment	66
5.3 Operating Guidelines	67
5.4 Routine Care	67
5.4.1 General Cleaning Safety Precautions	67
5.4.2 Cleaning the Computer Case	68
5.4.3 Cleaning the Keyboard	68
5.4.4 Cleaning the Monitor	69
5.4.5 Cleaning the Mouse	69
5.5 Service Considerations	69
5.5.1 Power Supply Fan	69
5.5.2 Tools and Software Requirements	69
5.5.3 Screws	70
5.5.4 Cables and Connectors	70
5.5.5 Hard Drives	70
5.5.6 Lithium Coin Cell Battery	71
Removal and Replacement Procedures- Microtower (MT) Chassis	73
6.1 Preparation for Disassembly	73
6.2 External Security Devices	74
6.2.1 Installing a Cable Lock	74
6.2.2 Installing a Padlock	75
6.3 Access Panel	76
6.4 Front Bezel	77
6.5 Front Drive Bezels	79
6.5.1 5.25\	79
6.5.2 Diskette Drive Bezel	80
6.5.3 3.5\	80
6.6 Cable Management	81
6.7 Memory	82
6.8 Expansion Cards	83
6.9 Drives	87
6.9.1 Drive Positions	87
6.9.2 Removing a Drive	88
6.9.3 Installing a Drive	90
6.10 Chassis Fan	93
6.11 Front I/O Panel Housing Assembly	94
6.12 Front I/O Devices	95
6.13 Power Switch Assembly	96
6.14 Heatsink	97
6.15 Processor	98
6.16 Speaker	100
6.17 Power Supply	101
6.18 System Board	103
6.19 Battery	104
6.19.1 Type 1 Battery Holder	105
6.19.2 Type 2 Battery Holder	106
6.19.3 Type 3 Battery Holder	107
Removal and Replacement Procedures- Slim Tower (ST) Chassis	109
7.1 Preparation for Disassembly	109
7.2 Unlocking the Smart Cover Lock	111
7.3 Hood Sensor	113
7.4 External Security Devices	114
7.4.1 Security Clip	114
7.4.2 Cable Lock	114
7.4.3 Padlock	115
7.5 Computer Cover	116
7.6 Front Drive Bezels	117
7.7 Cable Management	119
7.8 Memory	120
7.9 Vertically Oriented Expansion Card	121
7.9.1 Expansion Card Retainer	121
7.9.2 PCI Expansion Card	122
7.9.3 PCI Express Expansion Card	124
7.10 Drives	125
7.10.1 Drive Positions	125
7.10.2 Optical Drive	126
7.10.3 External 3.5-inch Drive	128
7.10.4 Primary Hard Drive	130
7.11 Fan Shroud	134
7.12 Chassis Fan	135
7.13 Front I/O Devices	136
7.14 Power Switch Assembly	137
7.15 Heatsink	138
7.16 Processor	139
7.17 Speaker	141
7.18 Power Supply	142
7.19 System Board	144
7.20 Battery	147
7.20.1 Type 1 Battery Holder	148
7.20.2 Type 2 Battery Holder	149
7.20.3 Type 3 Battery Holder	150
Connector Pin Assignments	151
Power Cord Set Requirements	163
POST Error Messages	165
Troubleshooting Without Diagnostics	177
System Board and Riser Board Reference Designators	205
Memory	209

Match case Limit results 1 per page

Service Reference Guide, dx7200

390812-001

6–29

Removal and Replacement Procedures— Microtower (MT) Chassis

6.17 Power Supply

WARNING:

Voltage is always present on the system board when the computer is plugged into an

active AC outlet. To avoid possible personal injury and damage to the equipment the power cord should

be disconnected from the computer and/or the AC outlet before opening the computer.

1. Prepare the computer for disassembly (

Section 6.1

2. Remove the access panel and rotate the computer so the system board is parallel to the table

to make it easier to work on (

Section 6.3

3. Disconnect all power cables from the mass storage devices and from the system board.

4. Remove the screws that connect the power supply to the chassis