HP mt44 - Top Cover

To Next Page

To Previous Page

Top cover

Description Spare part number

Top cover L21975-001

The top cover remains after removing all other spared parts from the computer.

Component replacement procedures 75

Main Page

Table of Contents7
Product Description11
Components15
Right15
Left17
Display18
Keyboard Area20
Touchpad20
Lights21
Buttons, Speakers, and Fingerprint Reader22
Special Keys23
Action Keys24
Hot Keys (Select Products Only)25
Bottom26
Front27
Cover28
Labels29
Illustrated Parts Catalog30
Computer Major Components30
Display Assembly Subcomponents32
Cable Kit34
Miscellaneous Parts35
Removal and Replacement Procedures Preliminary Requirements38
Tools Required38
Service Considerations38
Plastic Parts38
Cables and Connectors39
Drive Handling39
Grounding Guidelines40
Electrostatic Discharge Damage40
Packaging and Transporting Guidelines41
Workstation Guidelines41
Equipment Guidelines42
Removal and Replacement Procedures for Customer Self-Repair Parts43
Component Replacement Procedures43
Bottom Cover43
Solid-State Drive (SSD)45
Memory Modules46
Wlan/Bluetooth Combo Card48
WWAN Module50
Keyboard52
Removal and Replacement Procedures for Authorized Service Provider Parts55
Component Replacement Procedures55
Battery56
Heat Sink Assembly58
RTC Battery60
USB Board61
Board with Bracket62
Power Button Board63
Speaker Assembly64
Fingerprint Reader Assembly65
Touchpad66
Touchpad Button Board68
NFC Module69
Smart Card Reader70
Fan71
System Board73
Display Assembly76
Top Cover85
Interpreting System Validation Diagnostic Front Panel Leds and Audible Codes86
Computer Setup (BIOS), TPM, and HP Sure Start88
Using Computer Setup88
Starting Computer Setup88
Using a USB Keyboard or USB Mouse to Start Computer Setup (BIOS)88
Navigating and Selecting in Computer Setup88
Restoring Factory Settings in Computer Setup89
Updating the BIOS89
Determining the BIOS Version89
Downloading a BIOS Update90
Changing the Boot Order Using the F9 Prompt91
TPM BIOS Settings (Select Products Only)91
Using HP Sure Start (Select Products Only)91
Using HP PC Hardware Diagnostics (UEFI)92
Downloading HP PC Hardware Diagnostics (UEFI) to a USB Device92
Diagnostics and Troubleshooting94
Leds94
Wake-On LAN95
Power-On Sequence95
Resetting the Setup and Power-On Passwords96
Power-On Diagnostic Tests96
Interpreting POST Diagnostic Front Panel Leds and Audible Codes97
POST Numeric Codes and Text Messages99
Troubleshooting101
Basic Troubleshooting101
Diskless (No-Flash) Unit Troubleshooting102
Configuring a PXE Server103
Using HP Thinupdate to Restore the Image104
Device Management105
Specifications106
Computer Specifications106
CM (14.0-In) Display Specifications107
Pcie Solid-State Drive Specifications107
SATA Solid-State Drive Specifications108
Power Cord Set Requirements109
Requirements for All Countries109
Requirements for Specific Countries and Regions109
Statement of Memory Volatility111
Nonvolatile Memory Usage113
Questions and Answers115
Using HP Sure Start (Select Models Only)116
Recycling117

HP mt44 - Top Cover

Table of Contents

Related product manuals