HP 645 G3 User Manual

Reverse this procedure to install the optical drive board.
Top cover and TouchPad
NOTE: The top cover spare part kit includes the TouchPad.
Description Spare part number
Top cover (includes TouchPad)
Top cover for 14" products with a TouchPad 840719-001
Top cover for 14" products with a TouchPad 840720-001
Top cover for 14" products with a TouchPad, TouchPad on/o button, and bracket 840721-001
Top cover for 14" products with a TouchPad, TouchPad on/o button, and bracket 845170-001
Top cover for 15" products with a TouchPad 840751-001
Top cover for 15" products with a TouchPad and pointing stick 840752-001
Top cover for 15" products with a TouchPad, TouchPad on/o button, and bracket 840753-001
Top cover for 15" products with a TouchPad, TouchPad on/o button, pointing stick, and bracket 845172-001
IMPORTANT: Make special note of each screw and screw lock size and location during removal and
replacement
Before removing the top cover, follow these steps:
1. Shut down the computer.
2. Disconnect all external devices connected to the computer.
Component replacement procedures 63

HP 645 G3 Specifications

General

Brand	HP
Model	645 G3
Category	Laptop
Language	English