HP ProBook 640 G1, 645 G1, 650 G1, and 655 G1 Notebook PCs - Maintenance and Service Guide
Table Of Contents
- Product description
- External component identification
- Illustrated parts catalog
- Removal and replacement procedures preliminary requirements
- Removal and replacement procedures for Customer Self-Repair parts
- Removal and replacement procedures for Authorized Service Provider parts
- Computer Setup (BIOS), TPM, and HP Sure Start – Windows 10
- Using HP PC Hardware Diagnostics (UEFI) – Windows 10
- Computer Setup
- Windows 8 — Computer Setup (BIOS), MultiBoot, and System Diagnostics
- Windows 7 — Computer Setup (BIOS), MultiBoot, and HP PC Hardware Diagnostics (UEFI)
- Specifications
- Backup and recovery – Windows 10
- Backup and recovery
- Statement of Volatility
- Power cord set requirements
- Recycling
- Index
Component Description
(1) esc key Displays system information when pressed in combination with
the fn key.
(2) fn key Executes frequently used system functions when pressed in
combination with a function key, the num lk key, the esc key, or
the b key.
(3) Windows button Returns you to the Start screen from an open app or the
Windows desktop.
NOTE: Pressing the Windows button again will return you to
the previous screen.
(4) Function keys Execute frequently used system functions when pressed in
combination with the fn key.
(5) num lk key Alternates between the navigational and numeric functions on
the integrated numeric keypad.
(6) Integrated numeric keypad When num lk has been enabled, it can be used like an external
numeric keypad.
14 Chapter 2 External component identification