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Compaq Evo n400c Compaq Evo Notebook N400c Hardware Guide - Page 45

Replacing a Battery Pack

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Battery Packs Replacing a Battery Pack You can resolve a low battery condition by replacing a discharged battery pack. Ä CAUTION: If you are removing a battery pack that is the only power source available to the system while the computer is on, initiate Hibernation before removing the battery pack. Failure to do so will result in loss of information. If the computer is on and connected to more than one power source, you can remove a battery pack without initiating Hibernation. Replacing the Primary Battery Pack 1. If the battery pack in the battery bay is the only power source, initiate Hibernation. ✎ Drive activity may delay Hibernation. 2. Close the display. 3. Insert or remove the battery pack: Hardware Guide 4-3

Section	Page
Hardware Guide	1
Contents	3
Hardware and Software Setup	7
Setting up the Hardware	7
Setting Up the Software	12
After Software Setup	13
A Look at the Computer	15
Front Panel Components	15
Top Components	16
Top Components (continued)	18
Right Side Components	20
Left Side Components	22
Bottom Components	24
Rear Panel Components	26
Additional Standard Components	27
Keyboard and Pointing Devices	31
Using the TouchPad (TouchPad Models)	31
Using the Pointing Stick (Pointing Stick Models)	32
Using Hotkeys and Shortcut Keys	33
Fn Key	33
Hotkeys	34
Shortcut Keys	35
Hotkey and Shortcut Key Procedures	35
Using the Embedded Numeric Keypad	39
Enabling the Numeric Keypad	39
Disabling the Numeric Keypad	40
Converting the Numeric Keypad Keys to Standard Keys	40
Enabling the Numeric Keypad at Startup	40
Using the Easy Access Buttons	41
Battery Packs	43
Charging Battery Packs	43
Using a New Battery Pack	44
Replacing a Battery Pack	45
Replacing the Primary Battery Pack	45
Replacing an Optional External Battery Pack	48
Storing a Battery Pack	52
Recycling a Used Battery Pack	52
Drives	53
Caring for Drives	53
Removing a Hard Drive	53
Inserting a Hard Drive	58
Changing the Startup Sequence with MultiBoot	58
Enabling Bootable Media and Devices for MultiBoot	59
Using the Default Search Sequence	60
Planning Changes to the Startup Sequence	62
Selecting a MultiBoot Utility	62
Changing the Startup Sequence in Computer Setup	63
Setting a Continuing Startup Sequence	63
Setting the MultiBoot Express Prompt	64
Responding to the Express Boot Menu	64
Changing the Startup Sequence in Compaq Computer Security	65
Audio and Video	67
Using Audio Features	67
Connecting a Stereo Speaker/Headphone	68
Connecting a Microphone	69
Adjusting Volume	69
Using Video Features	70
Connecting a Device to the Composite Video-Out Jack	71
Changing the Video Mode	72
External Device Connections	73
Connecting an External Monitor	73
Connecting a Video Device	74
Connecting a Serial Printer	74
Connecting a Parallel Printer	75
Connecting Infrared Equipment	75
Infrared Connection Guidelines	76
Infrared Configuration Guidelines	77
Enabling the Infrared Port	77
Connecting USB Equipment	78
Attaching a Mobile Expansion Unit	78
Connecting a Docking Base	78
Connecting a Modem or NIC	79
Connecting to Wireless Devices	79
Computer Upgrades and Add-ons	81
Before Removing or Installing Components	81
Upgrading Memory	82
Removing and Inserting a Memory Expansion Board	83
Removing A Memory Expansion Board	90
Upgrading or Adding a Modem or NIC	91
Adding and Using PC Cards	96
Configuring a PC Card	96
Inserting a PC Card	97
Removing a PC Card	98
Conserving Energy	99
Installing Additional Device Drivers	100
Attaching the Mobile Expansion Unit	100
Docking Bases	100
Using an External Diskette Drive	101
Connecting the External Diskette Drive	101
Disconnecting the External Diskette Drive	102
Upgrading the Hard Drive	102
Adding a Second Battery Pack	102
Adding Wireless Devices	102
Specifications	103
Regulatory Agency Series Numbers	103