Compaq N150 Series Dokumentacja Strona 39
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2–16 Maintenance and Service Guide
Troubleshooting
2.13 No OS Loading from Diskette Drive
Done
Y
N
Reseat
diskette drive.
OS not loading
from
diskette drive.
Done
Y
Y
Y
Y
Y
Y
YN
N
NN
N
N
N
OS
loading?
Non-
System Disk
message?
Bootable
diskette
in drive?
Install bootable
diskette and
reboot computer.
Check diskette
for system files.
Try different
diskette.
1. Replace
diskette drive.
2. Replace system
board.
Non System
Disk error?
OS
loading?
Boot
from another
device?
Enable drive
andcoldboot
computer.
Diskette
drive boot
order.
Change boot
priority using
the setup utility.
Go to
Section 2.17,
Non Functioning
Device.
Diskette
drive enabled
in the setup
utility?
Go to
Section 2.17,
Non Functioning
Device
Clear CMOS.
Refer to Section
1.2, “Clearing a
Password,” for
instructions.
- Maintenance and Service Guide 1
- First Edition (June 2001) 2
- Contents 3
- 3 Illustrated Parts Catalog 4
- 6 Specifications 5
- A Connector Pin Assignments 5
- B Power Cord Set Requirements 5
- C Screw Listing 5
- Table 1-1 7
- Compaq Notebook Evo N150 7
- Features 10
- 1.2 Clearing a Password 11
- 1.3 Power Management 12
- Table 1-2 13
- Table 1-3 15
- Product Description 17
- Table 1-4 18
- Keyboard Components 18
- F1 through F12 18
- Figure 1-5. Top Components 19
- Figure 1-6. Bottom Components 21
- 1.4 Design Overview 23
- Troubleshooting 24
- Troubleshooting Flowcharts 26
- 2.1 Initial Troubleshooting 27
- 2.2 No Power, Part 1 28
- 2.3 No Power, Part 2 29
- 2.4 No Power, Part 3 30
- 2.5 No Power, Part 4 31
- 2.6 No Video, Part 1 32
- 2.7 No Video, Part 2 33
- (if applicable) 34
- 2.15 No Audio, Part 1 41
- 2.16 No Audio, Part 2 42
- 2.17 Non Functioning Device 43
- 2.18 Non Functioning Keyboard 44
- Illustrated Parts Catalog 47
- Table 3-1 49
- Components 54
- 3.5 Cable Kit Components 56
- 3.6 Mass Storage Devices 57
- 3.7 Miscellaneous 58
- Removal and Replacement 60
- Preliminaries 60
- 4.3 Preventing Damage to 61
- Removable Drives 61
- Precautions 63
- 4.6 Workstation Precautions 64
- Table 4-1 66
- Table 4-2 66
- Static-Shielding Materials 66
- Procedures 67
- 5.1 Serial Number 68
- Table 5-1 69
- Disassembly Sequence Chart 69
- Disassembly 70
- 5.4 Computer Feet 70
- 5.5 Hinge Covers 71
- 5.6 Keyboard 72
- 5.7 Display 74
- 5.8 EMI Shield 76
- 5.9 Top Cover 77
- 5.10 TouchPad 81
- 5.11 Speakers 84
- 5.12 Microphone 87
- 5.13 Display Lid Switch Board 89
- 5.14 Heat Sink 90
- 5.15 Infrared Board 92
- 5.16 System Board 94
- (Figure 5-21) 97
- (Figure 5-22) 98
- 5.17 PC Card Assembly 99
- 5.18 Mini PCI Board 101
- 5.19 Disk Cell RTC Battery 103
- Specifications 105
- (Continued) 106
- Table 6-2 107
- 14.1-inch XGA, TFT Display 107
- Hard Drives 108
- Table 6-3 108
- Table 6-4 110
- Diskette Drive 110
- Table 6-5 111
- CD-ROM Drive 111
- Table 6-6 112
- DVD-ROM Drive 112
- Table 6-7 113
- AC Adapter 113
- Table 6-8 114
- Battery Packs 114
- Table 6-9 115
- System DMA 115
- Table 6-10 116
- System Interrupts 116
- Table 6-11 117
- System I/O Addresses 117
- Table 6-12 120
- System Memory Map 120
- Connector Pin Assignments 121
- Table A-3 122
- External Keyboard/Mouse 122
- Table A-4 122
- RJ-11 Modem 122
- Table A-5 123
- RJ-45 Network Interface 123
- Table A-6 123
- Universal Serial Bus 123
- Table A-7 124
- Table A-8 125
- External Monitor 125
- Table A-9 126
- Parallel 126
- Power Cord Set Requirements 127
- Country-Specific Requirements 128
- Screw Listing 130
- Table C-1 131
- M2.5 × 7.0 Screw 131
- Table C-2 135
- M2.5 × 8.0 Screw 135
- Table C-3 136
- M2 × 5.5 Screw 136
- Table C-4 137
- M2.5 × 4.5 Screw 137
- Table C-5 141
- M2 × 12.5 141
- Table C-6 142
- M2.5 × 4.0 Screw 142
- Table C-7 144
- M2.5 × 3.0 Screw 144
- Table C-8 145
- M2 × 6.0 Screw 145
- Table C-9 146
- M1 × 4.0 Screw 146
- Table C-10 147
- M2 × 4.0 Screw 147
- Table C-11 149
- M2 × 14.5 Screw 149
- Table C-12 150
- M2 × 5.0 Screw 150
- Table C-13 151
- 5.0 mm Screwlock 151
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