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HP Evo n150 Evo Notebook N150 Series Maintenance and Service Guide - Page 49

Table 3-1, Computer System Major Components, Description, Spare Part, Number, 1-inch, XGA

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Illustrated Parts Catalog Table 3-1 Computer System Major Components Item 1 2a 2b 3 4a 4b 4c 5 6a 6b 6c Description Spare Part Number 14.1-inch, XGA, CTFT display 239029-001 Miscellaneous Plastics Kit 239039-001 Left hinge cover Right hinge cover Not Illustrated: Computer feet PC Card doors Hard drive bezel Keyboard Czech Danish European French French Canadian German Hebrew Hungarian International Italian Japanese 239054-221 239054-081 239054-021 239054-051 239054-121 239054-041 239054-BB1 239054-211 239054-002 239054-061 239054-291 Korean Norwegian Portuguese Russian Spanish Swedish Swiss Taiwanese Turkish U.K. English U.S. English 239054-AD1 239054-091 239054-131 239054-251 239054-071 239054-101 239054-111 239054-AB1 239054-141 239054-031 239054-001 Miscellaneous Hardware Kit 239052-001 EMI shield TouchPad bracket Memory expansion compartment cover Top cover 239044-001 Cable Kit 239041-001 Display lid switch board Microphone Modem connector/cable Maintenance and Service Guide 3-3

Section	Page
Compaq Notebook Evo N150 Series	1
Notice	2
Contents	3
Product Description	6
1.1 Models and Features	6
Models	7
Features	10
1.2 Clearing a Password	11
1.3 Power Management	12
1.3 External Computer Components	13
1.4 Design Overview	23
Troubleshooting	24
Using the PhoenixBIOS Setup Utility	25
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
2.8 Non Functioning Docking Station (if applicable)	34
2.9 No Operating System (OS) Loading	35
2.10 No OS Loading from Hard Drive, Part 1	36
2.11 No OS Loading from Hard Drive, Part 2	37
2.12 No OS Loading from Hard Drive, Part 3	38
2.13 No OS Loading from Diskette Drive	39
2.14 No OS Loading from CD- or DVD-ROM Drive	40
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
2.19 Non Functioning Pointing Device	45
2.20 Network or Modem Connection	46
Illustrated Parts Catalog	47
3.1 Serial Number Location	47
3.2 Computer System Major Components	48
3.3 Miscellaneous Plastics Kit Components	54
3.4 Miscellaneous Hardware Kit Components	55
3.5 Cable Kit Components	56
3.6 Mass Storage Devices	57
3.7 Miscellaneous	58
Removal and Replacement Preliminaries	60
4.1 Tools Required	60
4.2 Service Considerations	60
Plastic Parts	61
Cables and Connectors	61
4.3 Preventing Damage to RemovableDrives	61
4.4 Preventing Electrostatic Damage	63
4.5 Packaging and Transporting Precautions	63
4.6 Workstation Precautions	64
4.7 Grounding Equipment and Methods	65
Removal and Replacement Procedures	67
5.1 Serial Number	68
5.2 Disassembly Sequence Chart	69
5.3 Preparing the Computer for 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
5.17 PC Card Assembly	99
5.18 Mini PCI Board	101
5.19 Disk Cell RTC Battery	103
Specifications	105
Connector Pin Assignments	121
Power Cord Set Requirements	127
3-Conductor Power Cord Set	127
General Requirements	127
Country-Specific Requirements	128
Notes	128
Screw Listing	130