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HP EliteBook 720 Maintenance and Service Guide - Page 91

Remove the speaker assembly, Reverse this procedure to install the speaker assembly., Component

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2. Remove the speaker assembly (2). Reverse this procedure to install the speaker assembly. Component replacement procedures 81

Section	Page
Product description	11
Product Name	11
Chipset	11
Processor	11
Panel	11
Graphics	12
Memory	12
Flash cache	12
MiniCard solid-state drive	12
Primary storage	13
Audio and video	13
Ethernet	14
Wireless networking	14
External expansion	14
Ports	15
Docking	15
Keyboard/pointing devices	15
Power requirements	15
Security	16
Operating system	16
Serviceability	18
External component identification	19
Display	19
Front	20
Right	21
Left	22
Top	23
TouchPad	23
Lights	24
Buttons, speakers, and fingerprint reader (select models only)	25
Keys	26
Bottom	28
Locating the serial number, product number, and model number	29
Illustrated parts catalog	30
Computer major components	30
Plastics Kit	35
Display assembly components	36
Mass storage devices	38
Miscellaneous parts	39
Removal and replacement preliminary requirements	42
Tools required	42
Service considerations	42
Plastic parts	42
Cables and connectors	43
Drive handling	43
Grounding guidelines	43
Electrostatic discharge damage	43
Packaging and transporting guidelines	45
Workstation guidelines	45
Equipment guidelines	46
Removal and replacement procedures for Customer Self-Repair parts	47
Component replacement procedures	47
Service cover	47
Battery	49
Hard drive/solid-state drive	51
WWAN module	54
M.2 solid-state drive	56
WLAN module	57
Memory module	59
Keyboard	60
Removal and replacement procedures for Authorized Service Provider parts	65
Component replacement procedures	65
Unlocking the device and disabling Always On Remote Management (select HP devices only)	65
RTC battery	66
Top cover	67
Display assembly	71
TouchPad	78
NFC module	79
Card reader board	80
Heat sink	82
Fan	84
System board	86
Fingerprint reader board	89
Speaker assembly	90
Power button board	92
Computer Setup (BIOS) and MultiBoot in Windows 7	93
Using Computer Setup	93
Starting Computer Setup	93
Navigating and selecting in Computer Setup	93
Restoring factory settings in Computer Setup	94
Updating the BIOS	94
Determining the BIOS version	94
Downloading a BIOS update	95
Using MultiBoot	96
About the boot device order	96
Choosing MultiBoot preferences	96
Setting a new boot order in Computer Setup	96
Dynamically choosing a boot device using the f9 prompt	96
Setting a MultiBoot Express prompt	97
Entering MultiBoot Express preferences	97
Computer Setup (BIOS) and MultiBoot in Windows 8.1	98
Using Computer Setup	98
Starting Computer Setup	98
Navigating and selecting in Computer Setup	98
Restoring factory settings in Computer Setup	99
Updating the BIOS	99
Determining the BIOS version	99
Downloading a BIOS update	100
Using MultiBoot	101
About the boot device order	101
Choosing MultiBoot preferences	101
Setting a new boot order in Computer Setup	101
Dynamically choosing a boot device using the f9 prompt	102
Setting a MultiBoot Express prompt	102
Entering MultiBoot Express preferences	102
Computer Setup (BIOS), TPM, and HP Sure Start in Windows 10	103
Using Computer Setup	103
Starting Computer Setup	103
Navigating and selecting in Computer Setup	103
Restoring factory settings in Computer Setup	104
Updating the BIOS	104
Determining the BIOS version	104
Downloading a BIOS update	105
Changing the boot order using the f9 prompt	106
TPM BIOS settings (select products only)	106
Using HP Sure Start (select products only)	106
HP PC Hardware Diagnostics (UEFI)	107
Downloading HP PC Hardware Diagnostics (UEFI) to a USB device	108
Backup and recovery in Windows 7	109
Creating recovery media and backups	109
Guidelines	109
Creating recovery media with HP Recovery Disc Creator	109
Creating recovery media	110
Backing up your information	110
Performing a system recovery	111
Using the Windows recovery tools	111
Using f11 recovery tools (select models only)	112
Using Windows 7 operating system media	112
Backup and recovery in Windows 8.1	114
Backing up your information	114
Performing a system recovery	114
Using the Windows recovery tools	114
Using f11 recovery tools	115
Using Windows operating system media (purchased separately)	116
Using Windows Refresh or Windows Reset	116
Using HP Software Setup	116
Backup and recovery in Windows 10	117
Creating recovery media and backups	117
Creating HP Recovery media (select products only)	117
Using Windows tools	118
Restore and recovery	119
Recovering using HP Recovery Manager	119
What you need to know before you get started	119
Using the HP Recovery partition (select products only)	120
Using HP Recovery media to recover	120
Changing the computer boot order	121
Removing the HP Recovery partition (select products only)	121
Specifications	122
Statement of memory volatility	123
Nonvolatile memory usage	125
Questions and answers	127
Using HP Sure Start (select models only)	128
Power cord set requirements	129
Requirements for all countries	129
Requirements for specific countries and regions	129
Recycling	131

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Remove the speaker assembly

(2)

Reverse this procedure to install the speaker assembly.

Component replacement procedures