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HP ENVY dv4-5b00 HP Envy dv4 Maintenance and Service Guide - Page 57

Remove the power button board, and cable., Reverse this procedure to install the power button board

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4. Remove the power button board (3) and cable. Reverse this procedure to install the power button board. Component replacement procedures 49

Section	Page
Product description	9
External component identification	12
Finding your hardware and software information	12
Locating hardware	12
Locating software	12
Front	13
Right side	14
Left side	15
Display	16
Top	17
TouchPad	17
Lights	18
Buttons and speakers	19
Keys	20
Bottom	21
Illustrated parts catalog	23
Service tag	23
Computer major components	24
Display assembly subcomponents	26
Mass storage devices	28
Miscellaneous parts	29
Sequential part number listing	29
Removal and replacement procedures	32
Preliminary replacement requirements	32
Tools required	32
Service considerations	32
Plastic parts	32
Cables and connectors	32
Drive handling	33
Grounding guidelines	33
Electrostatic discharge damage	33
Packaging and transporting guidelines	35
Workstation guidelines	35
Equipment guidelines	36
Component replacement procedures	36
Service tag	37
Computer feet	38
Battery	38
Service door	40
Hard drive	41
Optical drive	44
Memory module	45
WLAN module	47
RTC battery	49
Keyboard	50
Top cover	53
Power button board	56
TouchPad button board	58
Optical drive connector cable	59
System board	60
Fan/heat sink assembly	63
Processor	66
Power connector cable	67
Speakers	69
Display assembly	70
Using Setup Utility (BIOS) and System Diagnostics	77
Starting Setup Utility (BIOS)	77
Updating the BIOS	77
Determining the BIOS version	77
Downloading a BIOS update	78
Using System Diagnostics	79
Specifications	80
Computer specifications	80
35.6 cm (14.0 in) display specifications	80
Hard drive specifications	81
DVD±RW SuperMulti Double-Layer Combination Drive specifications	82
Backing up, restoring, and recovering	83
Creating recovery media and backups	83
Creating HP Recovery media	84
Restore and recovery	85
Using Windows Refresh for quick and easy recovery	86
Remove everything and reinstall Windows	86
Recovering using HP Recovery Manager	87
What you need to know	87
Using the HP Recovery partition to recover a minimized image (select models only)	87
Using HP Recovery media to recover	88
Changing the computer boot order	88
Removing the HP Recovery partition	88
Power cord set requirements	89
Requirements for all countries	89
Requirements for specific countries and regions	90
Recycling	92

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Remove the power button board

(3)

and cable.

Reverse this procedure to install the power button board.

Component replacement procedures