HP Nc2400 HP Compaq nc2400 Notebook PC - Maintenance and Service Guide - Page 142

Removal and Replacement Procedures 5.16 System Board System Board Spare Part Number Information Equipped with an Intel Core Duo U7600 (1.20-GHz) processor Equipped with an Intel Core Duo U2500 (1.20-GHz) processor Equipped with an Intel Core Duo U2400 (1.06-GHz) processor Equipped with an Intel Pentium M 1200 (1.20-GHz) processor Equipped with an Intel Pentium M 1100 (1.06-GHz) processor Equipped with an Intel Celeron M 423 (1.06-GHz) processor 454164-001 434405-001 444814-001 412792-001 412791-001 412790-001 ✎ When replacing the system board, ensure that the following components are removed from the defective system board and installed on the replacement system board: ■ Memory modules (Section 5.6) ■ Mini Card WLAN module (Section 5.7) ■ RTC battery (Section 5.8) ■ PC Card assembly(Section 5.17) ■ Modem module (Section 5.18) 1. Prepare the computer for disassembly (Section 5.3), and then remove the following components: a. Hard drive (Section 5.4) b. Bluetooth board (Section 5.9) c. Optical drive (Section 5.10) d. Switch cover (Section 5.11) e. Keyboard (Section 5.12) f. Display assembly (Section 5.13) g. Top cover (Section 5.14) h. Fan/heat sink assembly (Section 5.20) 5-50 Maintenance and Service Guide