Removal and Replacement Procedures
Maintenance and Service Guide 5–75
5.24 System Board
✎
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)
■ RTC battery (Section 5.7)
■ Mini Card module (Section 5.8)
■ Bluetooth module (Section 5.18)
■ ExpressCard assembly (Section 5.20)
■ Optical drive connector module (Section 5.24)
■ Fan/heat sink assembly (Section 5.25)
■ Processor (Section 5.26)
1. Prepare the computer for disassembly (Section 5.3) and
remove the following components:
❏ Hard drive (Section 5.4)
❏ Optical drive (Section 5.9)
❏ Switch cover (Section 5.10)
❏ Keyboard (Section 5.11)
❏ Speaker assembly (Section 5.12)
❏ Display assembly (Section 5.14)
System Board Spare Part Number Information
For use with only computer models using Intel processors:
G73 (includes 512-MB of video RAM)
G73M (includes 256-MB of video RAM)
G73 (includes 512 MB of video RAM) - for Germany only
G73 (includes 256 MB of video RAM) - for EMEA only
434660-001
434659-001
441620-001
445178-001
For use only with UMA computer models using AMD processors 444002-001
