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HP ProBook 4525s HP ProBook Notebook PC User Guide - Windows XP - Page 126

Adding or replacing memory modules

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Adding or replacing memory modules To add or replace a memory module: 1. Save your work. 2. Shut down the computer and close the display. If you are not sure whether the computer is off or in Hibernation, turn the computer on by briefly pressing the power button. Then, shut down the computer through the operating system. 3. Disconnect all external devices connected to the computer. 4. Unplug the power cord. 5. Turn the computer upside down on a flat surface, with the battery bay toward you. 6. Remove the battery from the computer. 114 Chapter 9 Memory modules

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	30
Using a WLAN	31
Setting up a WLAN	31
Protecting your WLAN	31
Connecting to a WLAN	33
Roaming to another network	33
Using HP Mobile Broadband (select models only)	34
Inserting a SIM	34
Removing a SIM	35
Using Bluetooth wireless devices (select models only)	37
Bluetooth and Internet Connection Sharing (ICS)	37
Troubleshooting wireless connection problems	38
Cannot create a WLAN connection	38
Cannot connect to a preferred network	39
Network icon is not displayed	39
Current network security codes are unavailable	39
WLAN connection is very weak	40
Cannot connect to the wireless router	40
Using the modem (select models only)	41
Connecting a modem cable	41
Connecting a country-specific modem cable adapter	42
Selecting a location setting	42
Viewing the current location selection	42
Adding new locations when traveling	43
Solving travel connection problems	44
Connecting to a local area network (LAN)	46
Pointing devices and keyboard	47
Using pointing devices	47
Setting pointing device preferences	47
Using the TouchPad	47
Turning the TouchPad on and off	47
Navigating	47
Selecting	48
Using TouchPad gestures	49
Scrolling	49
Pinching/Zooming	49
Rotating	50
Three-finger flick	50
Connecting an external mouse	51
Using the keyboard	51
Using hotkeys	51
Displaying system information	53
Initiating Sleep	53
Decreasing screen brightness	53
Increasing screen brightness	53
Switching the screen image	53
Opening the default e-mail application	54
Opening the default Web browser	54
Muting speaker sound	54
Decreasing speaker sound	54
Increasing speaker sound	54
Playing the previous track or section of an audio CD or a DVD	54
Playing, pausing, or resuming an audio CD or a DVD	54
Playing the next track or section of an audio CD or a DVD	54
Using QuickLook	55
Using QuickWeb	56
Using the embedded numeric keypad	56
Enabling and disabling the embedded numeric keypad	56
Switching key functions on the embedded numeric keypad	56
Using an optional external numeric keypad	57
Cleaning the TouchPad and keyboard	58
Multimedia	59
Multimedia features	59
Identifying your multimedia components	59
Adjusting the volume	60
Multimedia software	61
Opening preinstalled multimedia software	62
Using multimedia software	62
Installing multimedia software from a disc	63
Audio	64
Connecting external audio devices	64
Checking your audio functions	64
Video	66
Connecting an external monitor or projector	66
Using the external monitor port	66
Using the HDMI port	66
Configuring audio for HDMI	67
Optical drive (select models only)	68
Identifying the installed optical drive	68
Using optical discs (CDs, DVDs, and BDs)	68
Selecting the right disc (CDs, DVDs, and BDs)	68
CD-R discs	69
CD-RW discs	69
DVD±R discs	69
DVD±RW discs	69
LightScribe DVD+R discs	69
Blu-ray Discs (BDs)	69
Playing a CD, DVD, or BD	70
Configuring AutoPlay	70
Changing DVD region settings	71
Observing the copyright warning	71
Copying a CD or DVD	71
Creating (burning) a CD, DVD, or BD	72
Removing an optical disc (CD, DVD, or BD)	72
Troubleshooting	73
The optical disc tray does not open for removal of a CD, DVD, or BD	73
The computer does not detect the optical drive	74
Preventing playback disruptions	74
A disc does not play	75
A disc does not play automatically	75
A movie stops, skips, or plays erratically	76
A movie is not visible on an external display	76
The process of burning a disc does not begin, or it stops before completion	76
A device driver must be reinstalled	77
Obtaining the latest HP device drivers	77
Obtaining Microsoft device drivers	77
Webcam	78
Webcam tips	78
Adjusting webcam properties	78
Power management	80
Setting power options	80
Using power-saving states	80
Initiating and exiting Standby	80
Initiating and exiting Hibernation	81
Using the Power Meter	81
Using power schemes	82
Viewing the current scheme	82
Selecting a different power scheme	82
Customizing power schemes	82
Setting password protection upon exiting Standby	83
Using external AC power	84
Connecting the AC adapter	84
Using battery power	85
Finding battery information in Help and Support	85
Using Battery Check	85
Displaying the remaining battery charge	86
Inserting or removing the battery	86
Charging a battery	87
Maximizing battery discharge time	88
Managing low battery levels	88
Identifying low battery levels	88
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 Standby	91
Step 3: Discharge the battery	91
Step 4: Fully recharge the battery	92
Step 5: Reenable Hibernation and Standby	92
Conserving battery power	92
Storing a battery	92
Disposing of a used battery	93
Replacing the battery	93
Testing an AC adapter	94
Shutting down the computer	94
Drives	96
Identifying installed drives	96
Handling drives	96
Improving hard drive performance	97
Using Disk Defragmenter	97
Using Disk Cleanup	97
Using HP 3D DriveGuard	98
Identifying HP 3D DriveGuard status	98
Using HP 3D DriveGuard software	98
Using external drives	100
Using optional external devices	100
Replacing the hard drive	101
External devices	115
Using a USB device	115
Connecting a USB device	115
Stopping and removing a USB device	115
Using USB legacy support	116
Using an eSATA device	117
Connecting an eSATA device	117
Stopping and removing an eSATA device	117
Using external drives	119
Using optional external devices	119
External media cards	120
Using Media Card Reader cards	120
Inserting a digital card	120
Stopping and removing a digital card	121
Using ExpressCards (select models only)	122
Configuring an ExpressCard	122
Inserting an ExpressCard	122
Stopping and removing an ExpressCard	123
Memory modules	125
Adding or replacing memory modules	126
Increasing hard drive space for the Hibernation file	137
Security	138
Protecting the computer	138
Using passwords	139
Setting passwords in Windows	139
Setting passwords in Computer Setup	139
BIOS administrator password	140
Managing a BIOS administrator password	141
Entering a BIOS administrator password	142
Using Computer Setup DriveLock	142
Setting a DriveLock password	143
Entering a DriveLock password	144
Changing a DriveLock password	145
Removing DriveLock protection	146
Using Computer Setup Auto DriveLock	146
Entering an Automatic DriveLock password	146
Removing Automatic DriveLock protection	147
Using Computer Setup security features	148
Securing system devices	148
Viewing Computer Setup System Information	148
Using Computer Setup System IDs	149
Using antivirus software	150
Using firewall software	151
Installing critical updates	152
Using HP ProtectTools Security Manager (select models only)	153
Installing a security cable	154
Software updates	155
Updating software	155
Updating the BIOS	157
Determining the BIOS version	157
Downloading a BIOS update	158
Updating programs and drivers	160
Using SoftPaq Download Manager	161
Backup and recovery	162
Backing up your information	163
Performing a recovery	164
Recovering your information	164
Recovering the operating system and programs	164
Computer Setup	165
Starting Computer Setup	165
Using Computer Setup	165
Navigating and selecting in Computer Setup	165
Restoring factory settings in Computer Setup	166
Computer Setup menus	166
File menu	167
Security menu	167
System Configuration menu	168
MultiBoot	173
About the boot device order	173
Enabling boot devices in Computer Setup	175
Considering boot order changes	176
Choosing MultiBoot preferences	177
Setting a new boot order in Computer Setup	177
Dynamically choosing a boot device using the F9 prompt	177
Setting a MultiBoot Express prompt	178
Entering MultiBoot Express preferences	178
Management and printing	179
Using Client Management Solutions	179
Configuring and deploying a software image	179
Managing and updating software	180
HP Client Manager for Altiris (select models only)	180
HP Client Configuration Manager (CCM) (select models only)	182
HP System Software Manager (SSM)	183