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
(6) Internal display switch Turns off the display or initiates Sleep if the display is closed while
the power is on.
NOTE: The display switch is not visible on the outside of the
computer.
NOTE: The antennas are not visible from the outside of the computer. For optimal transmission, keep the areas immediately around
the antennas free from obstructions. For wireless regulatory notices, see the section of the Regulatory, Safety, and Environmental
Notices that applies to your country or region.
To access this document:
Windows 10:
Select the Start button, select All apps, select HP Help and Support, and then select HP Documentation.
Windows 8 or Windows 7:
▲
Select the HP Support Assistant app on the Start screen, select My computer, and then select User guides.
10 Chapter 2 External component identification