HP 645 G3 - Page 85

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Reverse this procedure to replace the audio board.

Component replacement procedures 77

Main Page

Table of Contents5
Product Description9
External Component Identification14
Right14
Left16
Display17
Top18
Touchpad18
Lights19
Buttons, Speakers, and Fingerprint Reader20
Keys22
Using the Hot Keys24
Bottom25
Front26
Rear27
Locating System Information27
Illustrated Parts Catalog29
Computer Major Components29
Display Assembly Subcomponents34
Mass Storage Devices36
Miscellaneous Parts37
Removal and Replacement Procedures Preliminary Requirements40
Tools Required40
Service Considerations40
Plastic Parts40
Cables and Connectors41
Drive Handling41
Grounding Guidelines42
Electrostatic Discharge Damage42
Packaging and Transporting Guidelines43
Workstation Guidelines43
Equipment Guidelines44
Removal and Replacement Procedures for Authorized Service Provider Parts45
Component Replacement Procedures45
Service Door45
Battery46
Hard Drive47
Solid-State Drive (Select Products Only)49
WWAN Module (Select Products Only)50
WLAN Module51
Optical Drive53
Keyboard55
Memory58
Hinge Cover61
Base Enclosure63
System Board65
Fan and Heat Sink Assembly67
Optical Drive Board70
Top Cover and Touchpad71
RTC Battery74
Speaker76
Power Button Board77
Fingerprint Reader (Select Products Only)78
Smart Card Reader80
Near Field Communication Module82
Audio Board84
Serial Board86
Display Assembly88
Computer Setup (BIOS), TPM, and HP Sure Start94
Using Computer Setup94
Starting Computer Setup94
Using a USB Keyboard or USB Mouse to Start Computer Setup (BIOS)94
Navigating and Selecting in Computer Setup94
Restoring Factory Settings in Computer Setup95
Updating the BIOS95
Determining the BIOS Version95
Downloading a BIOS Update96
Changing the Boot Order Using the F9 Prompt97
TPM BIOS Settings (Select Products Only)97
Using HP Sure Start (Select Products Only)97
Using Computer Setup (BIOS), TPM, and HP Sure Start in Windows 798
Using Computer Setup98
Starting Computer Setup98
Navigating and Selecting in Computer Setup98
Restoring Factory Settings in Computer Setup99
Updating the BIOS100
Determining the BIOS Version100
Downloading a BIOS Update100
Changing the Boot Order Using the F9 Prompt101
TPM BIOS Settings (Select Products Only)101
Using HP Sure Start (Select Products Only)102
Using HP PC Hardware Diagnostics (UEFI)103
Downloading HP PC Hardware Diagnostics (UEFI) to a USB Device103
Backing Up, Restoring, and Recovering105
Creating Recovery Media and Backups105
Creating HP Recovery Media (Select Products Only)105
Using Windows Tools106
Restore and Recovery107
Recovering Using HP Recovery Manager107
What You Need to Know before You Get Started107
Using the HP Recovery Partition (Select Products Only)108
Using HP Recovery Media to Recover108
Changing the Computer Boot Order109
Removing the HP Recovery Partition (Select Products Only)110
10 Backup, Restoring, and Recovering111
Creating Recovery Media and Backups111
Guidelines111
Creating Recovery Media with HP Recovery Disc Creator111
Creating Recovery Media112
Backing up Your Information112
Performing a System Recovery113
Using the Windows Recovery Tools113
Using F11 Recovery Tools (Select Products Only)114
Using Windows 7 Operating System Media114
11 Specifications116
Computer Specifications116
35.56 CM (14-In) Display Specifications118
39.62 CM (15.6-In) Display Specifications121
Hard Drive Specifications122
Solid-State Drive Specifications125
12 Power Cord Set Requirements128
Requirements for All Countries128
Requirements for Specific Countries and Regions128
13 Statement of Memory Volatility130
Nonvolatile Memory Usage132
Questions and Answers134
Using HP Sure Start (Select Models Only)135
14 Recycling136
Index137

HP 645 G3 - Page 85

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