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Compaq 400 320 321 420 421 620 and 621 Notebook PC and 420 and 620 Notebook PC - Page 27

Bottom components, Battery release latches 2, Release the battery from the battery bay., Battery bay

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Bottom components Component (1) Battery release latches (2) (2) Battery bay Description Release the battery from the battery bay. Holds the battery. Bottom components 19

Section	Page
Product description	9
External component identification	18
Top Components	18
TouchPad	18
Lights	19
Buttons, switch, and speaker	21
Keys	22
Front components	24
Right-side components	24
Left-side components	26
Bottom components	27
Multimedia components	28
Wireless antennas (select models only)	30
Additional hardware components	31
Illustrated parts catalog	32
Service tag	32
Computer major components	34
Display assembly components	41
Plastics Kit	43
Cables	44
Mass storage devices	45
Miscellaneous parts	47
Sequential part number listing	48
Removal and replacement procedures	57
Preliminary replacement requirements	57
Tools required	57
Service considerations	57
Plastic parts	57
Cables and connectors	58
Drive handling	58
Grounding guidelines	59
Electrostatic discharge damage	59
Packaging and transporting guidelines	60
Workstation guidelines	60
Equipment guidelines	61
Component replacement procedures	62
Service tag	62
Computer feet	63
Battery	64
Service door	64
Hard drive	67
Memory module	72
WLAN module	74
Optical drive	76
Fan	77
Heat sink	78
Processor	79
Palm rest	81
Keyboard	86
Top cover	90
Power switch board	95
Bluetooth module	97
USB connector assembly	98
Speaker	100
Display assembly	101
System board	110
Main battery connector	114
RTC battery	116
Modem module	117
Audio board	119
Computer Setup	121
Computer Setup in Windows	121
Starting Computer Setup	121
Using Computer Setup	121
Navigating and selecting in Computer Setup	121
Restoring factory settings in Computer Setup	122
Computer Setup menus	123
File menu	123
Security menu	125
System Configuration menu	126
Computer Setup in Linux	131
Starting Computer Setup	131
Using Computer Setup	132
Navigating and selecting in Computer Setup	132
Restoring factory settings in Computer Setup	132
Computer Setup menus	133
File menu	133
Security menu	134
Diagnostics menu	134
System Configuration menu	135
Specifications	137
Computer specifications	137
39.6-cm (15.6-in) display specifications	138
35.6-cm (14.0-in) display specifications	140
33.8-cm (13.3-in) display specifications	141
Hard drive specifications	142
DVD-ROM Drive specifications	143
DVD±RW Double-Layer Combo Drive specifications	144
Backup and recovery	145
Backup and recovery in Windows 7	145
Overview	145
Backing up your information	145
Performing a recovery	147
Using the Windows recovery tools	147
Using f11	148
Using a Windows 7 operating system DVD (purchased separately)	148
Backup and recovery in Windows Vista	149
Overview	149
Backing up your information	149
Performing a recovery	150
Using the Windows recovery tools	151
Using f11	151
Using a Windows Vista operating system DVD (purchased separately)	152
Backup and recovery in Windows XP	153
Overview	153
Backing up your information	153
Performing a recovery	154
Recovering your information	154
Recovering the operating system and programs	154
Connector pin assignments	156
Audio-in (microphone)	156
Audio-out (headphone)	156
External monitor	157
HDMI	158
RJ-11 (modem)	159
RJ-45 (network)	160
Universal Serial Bus	160
Power cord set requirements	161
Requirements for all countries and regions	161
Requirements for specific countries and regions	162
Recycling	163
Battery	163
Display	163

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Bottom components

Component

Description

(1)

Battery release latches (2)

Release the battery from the battery bay.

(2)

Battery bay

Holds the battery.

Bottom components