HP DV4-2153 Maintenance And Service Guide

Packaging and transporting guidelines ............................................. 50
Workstation guidelines ..................................................................... 50
Equipment guidelines ....................................................................... 51
Unknown user password ................................................................................................... 52
Component replacement procedures ................................................................................................. 53
Serial number .................................................................................................................... 53
Computer feet .................................................................................................................... 54
Battery ............................................................................................................................... 55
SIM .................................................................................................................................... 56
Optical drive ....................................................................................................................... 57
Hard drive .......................................................................................................................... 59
WLAN module .................................................................................................................... 62
WWAN module .................................................................................................................. 65
Memory module ................................................................................................................. 67
RTC battery ....................................................................................................................... 69
Camera/microphone module for standard display assembly ............................................. 70
Keyboard ........................................................................................................................... 72
Keyboard cover .................................................................................................................. 76
Bluetooth module ............................................................................................................... 78
Speaker assembly ............................................................................................................. 79
SIM connector board ......................................................................................................... 81
Display assembly ............................................................................................................... 83
Standard display assembly ............................................................................... 87
Flush Glass display assembly ........................................................................... 91
Top cover ........................................................................................................................... 95
TouchPad .......................................................................................................................... 98
Fingerprint reader board .................................................................................................. 100
Modem module ................................................................................................................ 102
Audio board ..................................................................................................................... 104
USB board ....................................................................................................................... 106
TV tuner antenna ............................................................................................................. 108
System board ................................................................................................................... 11 0
Power button board ......................................................................................................... 113
Modem module cable ...................................................................................................... 115
Fan and heat sink ............................................................................................................ 117
Heat sink assembly for discrete graphics system ........................................... 119
Heat sink assembly for UMA graphics system ................................................ 120
Processor ......................................................................................................................... 121
5 Setup Utility
Starting the Setup Utility ................................................................................................................... 123
Using the Setup Utility ...................................................................................................................... 124
Changing the language of the Setup Utility ..................................................................... 124
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HP DV4-2153 Specifications

General

Brand	HP
Model	DV4-2153
Category	Laptop
Language	English