Compaq nx7300 - Notebook PC Spezifikationen Seite 53
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2–26 Maintenance and Service Guide
Troubleshooting
Flowchart 2.16—No Audio, Part 2
YN
Continued from
“Flowchart
2.15—No Audio,
Part 1.”
Reload
audio drivers.
Audio
driver in OS
configured?
Audio?
Y
Y
YN
N
N
Correct
drivers for
application?
Connect to
external
speaker.
Load drivers and
set configuration
in OS.
Audio? Done
Replace audio
board and
speaker
connections
in computer
(if applicable).
1. Replace internal speakers.
2. Replace audio board (if applicable).
3. Replace system board.
- Maintenance and Service 1
- Maintenance and Service Guide 2
- Second Edition: March 2007 2
- First Edition: May 2006 2
- Safety warning notice 3
- Contents 4
- 3 Illustrated Parts Catalog 5
- 1.1 Fe a tu r e s 9
- Product Description 10
- 1.2 Resetting the Computer 12
- 1.4 External Components 14
- Table 1-2 16
- Right-Side Components 16
- Table 1-3 17
- Rear Panel Components 17
- Table 1-4 18
- Left-Side Components 18
- Standard Keyboard Components 20
- Table 1-5 21
- Table 1-6 22
- Top Components 23
- TouchPad Components 24
- Table 1-7 25
- Table 1-8 26
- Bottom Components 26
- Troubleshooting 28
- Using Computer Setup 29
- Computer Setup Menus 31
- Security Menu 32
- Diagnostics Menu 34
- System Configuration Menu 34
- Continued 35
- Table 2-5 37
- (if applicable) 45
- Connection 57
- Illustrated Parts Catalog 58
- 3.2 Computer Major Components 59
- Major Components 59
- Table 3-1 60
- 3.3 Plastics Kit 71
- Table 3-2 72
- Plastics Kit 72
- Spare Part Number Information 72
- 3.4 Mass Storage Devices 73
- Table 3-3 74
- Mass Storage Devices 74
- Table 3-4 75
- Spare Part Information 75
- Table 3-5 78
- Removal and Replacement 86
- Preliminaries 86
- 4.2 Service Considerations 87
- 4.3 Preventing Damage to 88
- Removable Drives 88
- Precautions 90
- 4.6 Workstation Precautions 91
- 4.7 Grounding Equipment and 92
- Procedures 94
- 5.1 Serial Number 95
- Disassembly Sequence Chart 96
- Disassembly 98
- Removing the Battery 99
- 5.4 Hard Drive 100
- Removing the Hard Drive Cover 101
- Removing the Hard Drive 102
- Removing the Hard Drive Frame 103
- 5.5 Computer Feet 104
- 5.6 Optical Drive 105
- 5.7 External Memory Module 107
- 5.8 Bluetooth Module 110
- 5.9 Keyboard 112
- Removing the Keyboard Screws 113
- Releasing the Keyboard 114
- 9. Remove the keyboard 115
- 5.10 Thermal Plate 116
- 5.11 Fan Assembly 117
- 5.12 Heat Sink 118
- Removing the Heat Sink 119
- Replacing the Thermal Paste 120
- 5.13 Processor 121
- Removing the Processor 122
- 5.14 Mini Card Module 123
- (Continued) 124
- Removing a Mini Card Module 125
- 5.15 Internal Memory Module 126
- 5.16 RTC Battery 128
- 5.17 Switch Cover 129
- Releasing the Switch Cover 130
- Removing the Switch Cover 131
- 5.18 Display Assembly 132
- Removing the Display Assembly 135
- 5.19 Top Cover 136
- Removing the Top Cover 139
- 5.20 Modem Module 140
- Removing the Modem Module 141
- 5.21 System Board 142
- 1 Modem connector cable 144
- 2 USB board cable 144
- 3 Audio board cable 144
- 4 Modem module cable 144
- Removing the System Board 148
- 5.22 System Board Frame 149
- (full-featured models only) 149
- 5.23 USB/Audio Board 152
- Removing the USB/Audio Board 153
- Specifications 154
- Table 6-2 156
- 15.4.0-inch, WSXGA+ 156
- Table 6-3 157
- 15.4.0-inch, WXGA+ 157
- Table 6-4 158
- Hard Drives 158
- Table 6-5 160
- DVD±RW and CD-RW Combo Drive 160
- Table 6-6 162
- DVD/CD-RW Combo Drive 162
- Table 6-7 164
- DVD-ROM Drive 164
- Table 6-8 165
- CD-ROM Drive 165
- Table 6-9 167
- System DMA 167
- Table 6-10 168
- System Interrupts 168
- Table 6-11 170
- System I/O Addresses 170
- Table 6-12 173
- System Memory Map 173
- Screw Listing 174
- Table A-2 176
- Table A-3 177
- Table A-4 178
- Torx8 T8M2.5×4.0 Screw 178
- Table A-5 182
- Phillips PM2.0×3.0 Screw 182
- Table A-6 183
- Phillips PM1.5×3.0 Screw 183
- Table A-7 184
- Torx8 T8M2.5×10.0 Screw 184
- (Continued) 185
- Table A-8 187
- Phillips PM2.5×3.0 Screw 187
- Table A-9 188
- Phillips PM2.5×5.0 Screw 188
- Table A-10 189
- Table A-11 190
- Table A-12 191
- Phillips PM2.0×4.0 Screw 191
- Table A-13 192
- Phillips PM2.0×2.0 Screw 192
- Phillips PM2.5×4.0 Screw 194
- Table A-14 194
- Table A-15 195
- Hex HM5.0×12.0 Screw Lock 195
- Table A-16 196
- Torx8 T8M2.5×6.0 Screw 196
- Backup and Recovery in 197
- Windows Vista 197
- Backup Suggestions 198
- Creating Recovery Points 200
- Performing a Recovery 201
- ■ From within Windows 202
- ■ From the recovery partition 202
- Recovery Partition 203
- Windows XP 204
- Backing Up Your Information 205
- Display Component Recycling 212
- Removing the Display Bezel 215
- Removing the Display Inverter 216
- Removing the Display Frame 219
- Removing the Backlight Cover 220
- Removing the Backlight Frame 222
- Removing the Backlight 223
- Releasing the LCD Panel 224
- 23. Remove the LCD panel 225
- Connector Pin Assignments 226
- Table D-2 227
- Audio-In (Microphone) 227
- Table D-3 228
- Universal Serial Bus 228
- Table D-4 229
- External Monitor 229
- Table D-5 230
- RJ-11 (Modem) 230
- Table D-6 231
- RJ-45 (Network) 231
- Power Cord Set Requirements 232
- General Requirements 233
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