Home » HP Manuals » Laptops » HP ProBook 4525s » Manual Viewer

HP ProBook 4525s HP ProBook Notebook PC User Guide - Windows 7 - Page 94

light turns off, and the computer shuts down., To discharge a battery

Add to My Manuals
Save this manual to your list of manuals

Page 94 highlights

To discharge a battery: 1. Unplug the computer from its external power source, but do not turn off the computer. 2. Run the computer on battery power until the battery is discharged. The battery light begins to blink when the battery has discharged to a low battery level. When the battery is discharged, the battery light turns off, and the computer shuts down. 82 Chapter 5 Power management

Section	Page
Features	13
Identifying hardware	13
Top components	13
TouchPad	13
Lights	15
Buttons, speakers, switches, and fingerprint reader (select models only)	16
Keys	18
Front components	19
Right-side components	20
Left-side components	21
Bottom components	23
Display	23
Wireless antennas (select models only)	24
Additional hardware components	26
Identifying the labels	26
Wireless, modem, and local area network	28
Using wireless devices (select models only)	28
Identifying wireless and network icons	29
Using the wireless controls	29
Using the wireless button	29
Using Wireless Assistant software (select models only)	30
Using HP Connection Manager (select models only)	30
Using operating system controls	31
Using a WLAN	32
Setting up a WLAN	32
Protecting your WLAN	32
Connecting to a WLAN	33
Roaming to another network	34
Using HP Mobile Broadband (select models only)	35
Inserting a SIM	35
Removing a SIM	36
Using Bluetooth wireless devices (select models only)	38
Bluetooth and Internet Connection Sharing (ICS)	38
Troubleshooting wireless connection problems	39
Cannot create a WLAN connection	39
Cannot connect to a preferred network	40
Network icon is not displayed	40
Current network security codes are unavailable	40
WLAN connection is very weak	41
Cannot connect to the wireless router	41
Using the modem (select models only)	42
Connecting a modem cable	42
Connecting a country-specific modem cable adapter	43
Selecting a location setting	43
Viewing the current location selection	43
Adding new locations when traveling	44
Solving travel connection problems	45
Connecting to a local area network (LAN)	47
Pointing devices and keyboard	48
Using pointing devices	48
Setting pointing device preferences	48
Using the TouchPad	48
Turning the TouchPad on and off	48
Navigating	48
Selecting	49
Using TouchPad gestures	50
Scrolling	50
Pinching/Zooming	50
Rotating	51
Three-finger flick	51
Connecting an external mouse	52
Using the keyboard	52
Using hotkeys	52
Displaying system information	54
Initiating Sleep	54
Decreasing screen brightness	54
Increasing screen brightness	54
Switching the screen image	54
Opening the default e-mail application	55
Opening the default Web browser	55
Muting speaker sound	55
Decreasing speaker sound	55
Increasing speaker sound	55
Playing the previous track or section of an audio CD or a DVD	55
Playing, pausing, or resuming an audio CD or a DVD	55
Playing the next track or section of an audio CD or a DVD	55
Using QuickLook	56
Using QuickWeb	57
Using the embedded numeric keypad	58
Enabling and disabling the embedded numeric keypad	58
Switching key functions on the embedded numeric keypad	58
Using an optional external numeric keypad	59
Cleaning the TouchPad and keyboard	60
Multimedia	61
Multimedia features	61
Identifying your multimedia components	61
Adjusting the volume	62
Multimedia software	63
Opening preinstalled multimedia software	64
Using multimedia software	64
Installing multimedia software from a disc	65
Audio	66
Connecting external audio devices	66
Checking your audio functions	66
Video	68
Connecting an external monitor or projector	68
Using the external monitor port	68
Using the HDMI port	68
Configuring audio for HDMI	69
Optical drive (select models only)	70
Identifying the installed optical drive	70
Using optical discs (CDs, DVDs, and BDs)	70
Selecting the right disc (CDs, DVDs, and BDs)	70
CD-R discs	71
CD-RW discs	71
DVD±R discs	71
DVD±RW discs	71
LightScribe DVD+R discs	71
Blu-ray Discs (BDs)	71
Playing a CD, DVD, or BD	72
Configuring AutoPlay	72
Changing DVD region settings	73
Observing the copyright warning	73
Copying a CD or DVD	73
Creating (burning) a CD, DVD, or BD	74
Removing an optical disc (CD, DVD, or BD)	75
Troubleshooting	75
The optical disc tray does not open for removal of a CD, DVD, or BD	75
The computer does not detect the optical drive	76
Preventing playback disruptions	77
A disc does not play	77
A disc does not play automatically	78
A movie stops, skips, or plays erratically	78
A movie is not visible on an external display	78
The process of burning a disc does not begin, or it stops before completion	78
A device driver must be reinstalled	79
Obtaining the latest HP device drivers	79
Obtaining Microsoft device drivers	80
Webcam	81
Webcam tips	81
Adjusting webcam properties	81
Power management	83
Setting power options	83
Using power-saving states	83
Initiating and exiting Sleep	83
Initiating and exiting Hibernation	84
Using the battery meter	84
Using power plans	84
Viewing the current power plan	85
Selecting a different power plan	85
Customizing power plans	85
Setting password protection on wakeup	85
Using external AC power	86
Connecting the AC adapter	86
Using battery power	87
Finding battery information in Help and Support	87
Using Battery Check	88
Displaying the remaining battery charge	88
Inserting or removing the battery	88
Charging a battery	89
Maximizing battery discharge time	90
Managing low battery levels	90
Identifying low battery levels	90
Resolving a low battery level	92
Resolving a low battery level when external power is available	92
Resolving a low battery level when a charged battery is available	92
Resolving a low battery level when no power source is available	92
Resolving a low battery level when the computer cannot exit Hibernation	92
Calibrating a battery	92
Step 1: Fully charge the battery	92
Step 2: Disable Hibernation and Sleep	93
Step 3: Discharge the battery	93
Step 4: Fully recharge the battery	95
Step 5: Reenable Hibernation and Sleep	95
Conserving battery power	95
Storing a battery	96
Disposing of a used battery	96
Replacing the battery	96
Testing an AC adapter	97
Shutting down the computer	97
Drives	99
Identifying installed drives	99
Handling drives	99
Improving hard drive performance	101
Using Disk Defragmenter	101
Using Disk Cleanup	101
Using HP 3D DriveGuard	102
Identifying HP 3D DriveGuard status	102
Using HP 3D DriveGuard software	103
Using external drives	104
Using optional external devices	104
Replacing the hard drive	105
External devices	119
Using a USB device	119
Connecting a USB device	119
Removing a USB device	119
Using USB legacy support	120
Using an eSATA device	121
Connecting an eSATA device	121
Removing an eSATA device	121
Using external drives	123
Using optional external devices	123
External media cards	124
Using Media Card Reader cards	124
Inserting a digital card	124
Removing a digital card	125
Using ExpressCards (select models only)	126
Configuring an ExpressCard	126
Inserting an ExpressCard	126
Removing an ExpressCard	127
Memory modules	129
Adding or replacing memory modules	130
Security	141
Protecting the computer	141
Using passwords	142
Setting passwords in Windows	142
Setting passwords in Computer Setup	142
BIOS administrator password	143
Managing a BIOS administrator password	144
Entering a BIOS administrator password	145
Using Computer Setup DriveLock	145
Setting a DriveLock password	146
Entering a DriveLock password	147
Changing a DriveLock password	148
Removing DriveLock protection	149
Using Computer Setup Auto DriveLock	149
Entering an Automatic DriveLock password	149
Removing Automatic DriveLock protection	150
Using Computer Setup security features	151
Securing system devices	151
Viewing Computer Setup System Information	151
Using Computer Setup System IDs	152
Using antivirus software	153
Using firewall software	154
Installing critical updates	155
Using HP ProtectTools Security Manager (select models only)	156
Installing a security cable	157
Software updates	158
Updating software	158
Updating the BIOS	160
Determining the BIOS version	160
Downloading a BIOS update	161
Updating programs and drivers	163
Using SoftPaq Download Manager	164
Backup and recovery	165
Backing up your information	166
Performing a recovery	168
Using the Windows recovery tools	168
Using f11	169
Using a Windows 7 operating system DVD (purchased separately)	169
Computer Setup	171
Starting Computer Setup	171
Using Computer Setup	171
Navigating and selecting in Computer Setup	171
Restoring factory settings in Computer Setup	172
Computer Setup menus	172
File menu	173
Security menu	173
System Configuration menu	174
MultiBoot	179
About the boot device order	179
Enabling boot devices in Computer Setup	181
Considering boot order changes	182
Choosing MultiBoot preferences	183
Setting a new boot order in Computer Setup	183
Dynamically choosing a boot device using the F9 prompt	183
Setting a MultiBoot Express prompt	184
Entering MultiBoot Express preferences	184
Management and printing	185
Using Client Management Solutions	185
Configuring and deploying a software image	185
Managing and updating software	186
HP Client Manager for Altiris (select models only)	186
HP Client Configuration Manager (CCM) (select models only)	188
HP System Software Manager (SSM)	189