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HP ProBook 6440b HP ProBook User Guide - Windows 7 - Page 86

Finding battery information in Help and Support, Using Battery Check - function f10 not working

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NOTE: The display brightness is decreased to save battery life when you disconnect AC power. To increase display brightness, use the fn+f10 hotkey or reconnect the AC adapter. You can keep a battery in the computer or in storage, depending on how you work. Keeping the battery in the computer whenever the computer is plugged into AC power charges the battery and also protects your work in case of a power outage. However, a battery in the computer slowly discharges when the computer is off and unplugged from external power. WARNING! To reduce potential safety issues, use only the battery provided with the computer, a replacement battery provided by HP, or a compatible battery purchased from HP. Computer battery life varies, depending on power management settings, programs running on the computer, display brightness, external devices connected to the computer, and other factors. Finding battery information in Help and Support Help and Support provides the following tools and information about the battery: ● Battery Check tool to test battery performance ● Information on calibration, power management, and proper care and storage to maximize battery life ● Information on battery types, specifications, life cycles, and capacity To access battery information: ▲ Select Start > Help and Support > Learn > Power Plans: Frequently Asked Questions. Using Battery Check Battery Check provides information on the status of the battery installed in the computer. To run Battery Check: 1. Connect the AC adapter to the computer. NOTE: The computer must be connected to external power for Battery Check to function properly. 2. Select Start > Help and Support > Troubleshoot > Power, Thermal and Mechanical. 3. Click the Power tab, and then click Battery Check. Battery Check examines the battery and its cells to see if they are functioning properly, and then reports the results of the examination. Displaying the remaining battery charge ▲ Move the pointer over the battery meter icon in the notification area, at the far right of the taskbar. - or - View the estimated number of minutes of battery charge remaining in Windows Mobility Center: ▲ Click the battery meter icon, and then click Windows Mobility Center. - or - Select Start > Control Panel > Mobile PC > Windows Mobility Center. 76 Chapter 5 Power management

Section	Page
Features	11
Identifying hardware	11
Top components	11
TouchPad	11
Lights	13
Buttons and fingerprint reader	15
Keys	19
Front components	20
Right-side components	21
Left-side components	23
Rear components	24
Bottom components	25
Display components	26
Wireless antennas (select models only)	27
Additional hardware components	29
Identifying the labels	29
Wireless, modem, and local area network	31
Using wireless devices (select models only)	31
Identifying wireless and network icons	32
Using the wireless controls	32
Using the wireless button	32
Using Wireless Assistant software (select models only)	33
Using HP Connection Manager (select models only)	33
Using operating system controls	33
Using a WLAN device (select models only)	35
Setting up a WLAN	35
Protecting your WLAN	35
Connecting to a WLAN	37
Roaming to another network	37
Using HP Mobile Broadband (select models only)	38
Inserting a SIM	38
Removing a SIM	39
Using a Bluetooth wireless device	41
Bluetooth and Internet Connection Sharing (ICS)	41
Troubleshooting wireless network problems	42
Cannot create a WLAN connection	42
Cannot connect to a preferred network	43
Network status icon is not displayed	43
Current network security codes are unavailable	43
WLAN connection is very weak	44
Cannot connect to the wireless router	44
Using the modem (select models only)	45
Connecting a modem cable	45
Connecting a country- or region-specific modem cable adapter	46
Selecting a location setting	46
Viewing the current location selection	46
Adding new locations when traveling	47
Solving travel connection problems	48
Connecting to a local area network (LAN)	49
Pointing devices and keyboard	50
Using pointing devices	50
Setting pointing device preferences	50
Using the TouchPad	50
Using the pointing stick (select models only)	50
Connecting an external mouse	50
Using the keyboard	50
Using hotkeys	50
Displaying system information	51
Initiating Sleep	52
Switching the screen image	53
Displaying Power Assistant	54
Decreasing screen brightness	55
Increasing screen brightness	55
Using HP QuickLook 3	56
Using keypads	56
Using the embedded numeric keypad	56
Enabling and disabling the embedded numeric keypad	57
Switching key functions on the embedded numeric keypad	57
Using the integrated numeric keypad	57
Using an optional external numeric keypad	58
Cleaning the TouchPad and keyboard	59
Multimedia	60
Multimedia features	60
Adjusting the volume	60
Multimedia software	61
Accessing your preinstalled multimedia software	62
Installing multimedia software from a disc	62
Audio	63
Connecting external audio devices	63
Checking your audio functions	63
Video	65
Connecting an external monitor or projector	65
Using the external monitor port	65
Using the DisplayPort	65
Optical drive (select models only)	67
Identifying the optical drive	67
Using optical discs (CDs, DVDs, and BDs)	67
Selecting the right disc (CDs, DVDs, and BDs)	68
CD-R discs	68
CD-RW discs	68
DVD±R discs	68
DVD±RW discs	68
LightScribe DVD+R discs	68
Blu-ray Discs (BDs)	69
Playing a CD, DVD, or BD	69
Configuring AutoPlay	70
Changing DVD region settings	70
Observing the copyright warning	70
Copying a CD, DVD, or BD	71
Creating (burning) a CD or DVD	71
Removing an optical disc (CD, DVD, or BD)	72
Troubleshooting	72
The optical disc tray does not open for removal of a CD, DVD, or BD	73
The computer does not detect the optical drive	73
A disc does not play	74
A disc does not play automatically	74
A movie stops, skips, or plays erratically	75
A movie is not visible on an external display	75
The process of burning a disc does not begin, or it stops before completion	75
A device driver must be reinstalled	76
Obtaining the latest HP device drivers	76
Obtaining Microsoft device drivers	76
Webcam (select models only)	78
Adjusting webcam properties	78
Capturing business card images	79
Power management	81
Setting power options	81
Using power-saving states	81
Initiating and exiting Sleep	81
Initiating and exiting Hibernation	82
Using the battery meter	82
Using power plans	82
Viewing the current power plan	83
Selecting a different power plan	83
Customizing power plans	83
Setting password protection on wakeup	83
Using Power Assistant (select models only)	84
Starting Power Assistant	84
Using external AC power	84
Connecting the AC adapter	85
Using battery power	85
Finding battery information in Help and Support	86
Using Battery Check	86
Displaying the remaining battery charge	86
Inserting or removing the battery	87
Charging a battery	88
Maximizing battery discharge time	89
Managing low battery levels	89
Identifying low battery levels	89
Resolving a low battery level	90
Resolving a low battery level when external power is available	90
Resolving a low battery level when a charged battery is available	90
Resolving a low battery level when no power source is available	90
Resolving a low battery level when the computer cannot exit Hibernation	90
Calibrating a battery	90
Step 1: Fully charge the battery	90
Step 2: Disable Hibernation and Sleep	91
Step 3: Discharge the battery	91
Step 4: Fully recharge the battery	93
Step 5: Reenable Hibernation and Sleep	93
Conserving battery power	93
Storing a battery	93
Disposing of a used battery	94
Replacing the battery	94
Testing an AC adapter	95
Shutting down the computer	95
Drives	97
Identifying installed drives	97
Handling drives	97
Improving hard drive performance	99
Using Disk Defragmenter	99
Using Disk Cleanup	99
Using HP 3D DriveGuard	100
Identifying HP 3D DriveGuard status	100
Using HP 3D DriveGuard software	101
Replacing a hard drive in the hard drive bay	102
Replacing a drive in the upgrade bay	105
Removing the protective insert	105
Replacing a hard drive	105
Replacing an optical drive	108
External devices	111
Using a USB device	111
Connecting a USB device	111
Stopping and removing a USB device	112
Using USB legacy support	112
Using a 1394 device	113
Connecting a 1394 device	113
Stopping and removing a 1394 device	113
Using a serial device (select models only)	115
Using external drives	116
Using optional external devices	116
Using a docking device	117
External media cards	118
Using Media Card Reader cards	118
Inserting a digital card	118
Stopping and removing a digital card	119
Using ExpressCards (select models only)	120
Configuring an ExpressCard	120
Inserting an ExpressCard	120
Stopping and removing an ExpressCard	121
Using Smart Cards (select models only)	123
Inserting a smart card	123
Removing a smart card	123
Memory modules	124
Adding or replacing a memory module in the expansion memory module slot	125
Upgrading a memory module in the primary memory module slot	128
Security	132
Protecting the computer	132
Using passwords	133
Setting passwords in Windows	133
Setting passwords in Computer Setup	133
BIOS administrator password	134
Managing a BIOS administrator password	135
Entering a BIOS administrator password	136
Using Computer Setup DriveLock	136
Setting a DriveLock password	137
Entering a DriveLock password	138
Changing a DriveLock password	139
Removing DriveLock protection	140
Using Computer Setup Auto DriveLock	140
Entering an Automatic DriveLock password	140
Removing Automatic DriveLock protection	141
Using Computer Setup security features	142
Securing system devices	142
Viewing Computer Setup System Information	142
Using Computer Setup System IDs	143
Using antivirus software	144
Using firewall software	145
Installing critical updates	146
Using HP ProtectTools Security Manager (select models only)	147
Installing a security cable	148
Software updates	149
Updating software	149
Updating the BIOS	151
Determining the BIOS version	151
Downloading a BIOS update	151
Updating programs and drivers	153
Backup and recovery	154
Backing up your information	155
Performing a recovery	156
Using the Windows recovery tools	156
Using f11 recovery tools	157
Using a Windows Vista operating system DVD (purchased separately)	157
Computer Setup	159
Starting Computer Setup	159
Using Computer Setup	159
Navigating and selecting in Computer Setup	159
Restoring factory settings in Computer Setup	160
Computer Setup menus	160
File menu	161
Security menu	161
System Configuration menu	162
MultiBoot	166
About the boot device order	166
Enabling boot devices in Computer Setup	168
Considering boot order changes	169
Choosing MultiBoot preferences	170
Setting a new boot order in Computer Setup	170
Dynamically choosing a boot device using the F9 prompt	171
Setting a MultiBoot Express prompt	171
Entering MultiBoot Express preferences	171
Management and printing	172
Using Client Management Solutions	172
Configuring and deploying a software image	172
Managing and updating software	173
HP Client Manager for Altiris (select models only)	173
HP CCM (Client Configuration Manager) (select models only)	175
HP SSM (System Software Manager)	176
Using the HP Universal Print Driver	177

Match case Limit results 1 per page

NOTE:

The display brightness is decreased to save battery life when you disconnect AC power. To

increase display brightness, use the

fn+f10

hotkey or reconnect the AC adapter.

You can keep a battery in the computer or in storage, depending on how you work. Keeping the battery

in the computer whenever the computer is plugged into AC power charges the battery and also protects

your work in case of a power outage. However, a battery in the computer slowly discharges when the

computer is off and unplugged from external power.

WARNING!

To reduce potential safety issues, use only the battery provided with the computer, a

replacement battery provided by HP, or a compatible battery purchased from HP.

Computer battery life varies, depending on power management settings, programs running on the

computer, display brightness, external devices connected to the computer, and other factors.

Finding battery information in Help and Support

Help and Support provides the following tools and information about the battery:

●

Battery Check tool to test battery performance

●

Information on calibration, power management, and proper care and storage to maximize battery

life

●

Information on battery types, specifications, life cycles, and capacity

To access battery information:

▲

Select

Start

Help and Support

Learn

Power Plans: Frequently Asked Questions

Using Battery Check

Battery Check provides information on the status of the battery installed in the computer.

To run Battery Check:

Connect the AC adapter to the computer.

NOTE:

The computer must be connected to external power for Battery Check to function properly.

Select

Start

Help and Support

Troubleshoot

Power, Thermal and Mechanical

Click the

Power

tab, and then click

Battery Check

Battery Check examines the battery and its cells to see if they are functioning properly, and then reports

the results of the examination.

Displaying the remaining battery charge

▲

Move the pointer over the battery meter icon in the notification area, at the far right of the taskbar.

– or –

View the estimated number of minutes of battery charge remaining in Windows Mobility Center:

▲

Click the battery meter icon, and then click

Windows Mobility Center

– or –

Select

Start

Control Panel

Mobile PC

Windows Mobility Center

Chapter 5

Power management