Compaq dx2818 - Microtower PC Spezifikationen Seite 125
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Power Switch Assembly
1. Prepare the computer for disassembly (Preparation for Disassembly on page 83).
2. Remove the access panel (
Access Panel on page 84).
3. Remove the front bezel (
Front Bezel on page 85).
4. Rotate the drive cage to its upright position.
5. Disconnect the power switch wires from the black system board connector labeled F_PANEL.
6. Rotate the drive cage back down.
7. Press the tab on the bottom of the assembly to disengage it from the chassis (1).
8. Slide the assembly downward to disengage the tab (2) on the top of assembly from the chassis.
9. If necessary, rotate the drive cage back up to gain access to the wires.
10. Pull the assembly out through front of unit (3) while threading the wires through the hole in the
chassis.
To install the power switch assembly, reverse the removal procedure.
Power Switch Assembly 115
- Service Reference Guide 1
- About This Book 3
- Table of contents 5
- 1 Product Features 11
- Rear Panel Components 13
- Keyboard 15
- Using the Windows Logo Key 16
- Serial Number Location 17
- Computer Setup—Main 21
- Computer Setup—Advanced 22
- Computer Setup—Power 24
- Computer Setup—Boot 25
- Computer Setup—Exit 26
- HP Insight Diagnostics 27
- Survey Tab 28
- Diagnose Tab 28
- Test Tab 29
- Status Tab 30
- Help Tab 31
- Protecting the Software 32
- Features 34
- SMART ATA Drives 35
- Hard Drive Capacities 35
- Chassis Designations 36
- Figure 6-3 Model dx2818 37
- Chassis Designations 27 37
- Small Form Factor (SFF) 38
- Generating Static 38
- Grounding the Work Area 40
- Operating Guidelines 41
- Routine Care 42
- Service Considerations 43
- Cables and Connectors 44
- Hard Drives 44
- Lithium Coin Cell Battery 45
- Microtower (MT) Chassis 46
- Preparation for Disassembly 47
- Access Panel 48
- Front Bezel 49
- Bezel Blanks 50
- Expansion Cards 55
- Cable Management 59
- Cable Connections 60
- Drive Positions 61
- Power Switch/LED Assembly 77
- System Fan 78
- Heatsink assembly 79
- Hood Sensor 91
- Port Cover 92
- Installing Additional Drives 100
- Removing an Optical Drive 102
- DDR2-SDRAM DIMMs 114
- Populating DIMM Sockets 115
- Installing DIMMs 116
- Front I/O Device 124
- Power Switch Assembly 125
- Heatsink 127
- Processor 128
- Power Supply 129
- System Board 131
- Type 1 Battery Holder 133
- Type 2 Battery Holder 133
- Type 3 Battery Holder 134
- Installing a Security Lock 135
- HP Business PC Security Lock 136
- A Connector Pin Assignments 138
- Parallel Interface 139
- Microphone 140
- Headphone 140
- Line-in Audio 140
- Line-out Audio 140
- 24-Pin Power 141
- PCI Express 142
- 4-Pin Power (for CPU) 144
- B Power Cord Set Requirements 145
- Country-Specific Requirements 146
- C Troubleshooting 147
- Helpful Hints 148
- Solving General Problems 149
- Audible Codes 153
- Contacting Customer Support 155
- D Specifications 156
- Small Form Factor 157
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