HP (Hewlett-Packard) nx 9420 Laptop User Manual


 
Maintenance and Service Guide i
Contents
1 Product Description
1.1 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–2
1.2 Resetting the Computer. . . . . . . . . . . . . . . . . . . . . . . 1–4
1.3 Power Management. . . . . . . . . . . . . . . . . . . . . . . . . . 1–5
1.4 External Components . . . . . . . . . . . . . . . . . . . . . . . . 1–6
1.5 Design Overview. . . . . . . . . . . . . . . . . . . . . . . . . . . 1–22
2Troubleshooting
2.1 Computer Setup. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–1
Computer Setup Defaults . . . . . . . . . . . . . . . . . . . . . 2–3
Computer Setup Menus. . . . . . . . . . . . . . . . . . . . . . . 2–4
2.2 Troubleshooting Flowcharts . . . . . . . . . . . . . . . . . . 2–10
3 Illustrated Parts Catalog
3.1 Serial Number Location . . . . . . . . . . . . . . . . . . . . . . 3–1
3.2 Computer Major Components. . . . . . . . . . . . . . . . . . 3–2
3.3 Display Assembly Components . . . . . . . . . . . . . . . 3–16
3.4 Plastics Kit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3–18
3.5 Cable Kit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3–19
3.6 Mass Storage Devices . . . . . . . . . . . . . . . . . . . . . . . 3–20
3.7 Miscellaneous (Not Illustrated). . . . . . . . . . . . . . . . 3–21
3.8 Sequential Part Number Listing . . . . . . . . . . . . . . . 3–24