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HP ProBook 4440s HP Notebook Reference Guide - Page 25

Adjusting the volume, Checking audio functions on the computer, Webcam (select models only)

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Adjusting the volume Depending on your computer model, you can adjust the volume using the following: ● Volume buttons ● Volume hotkeys (specific keys pressed in combination with the fn key) ● Volume keys WARNING! To reduce the risk of personal injury, adjust the volume before putting on headphones, earbuds, or a headset. For additional safety information, see the Regulatory, Safety and Environmental Notices. NOTE: Volume can also be controlled through the operating system and some programs. NOTE: See the Getting Started guide for information on what type of volume controls your computer has. Checking audio functions on the computer NOTE: For best results when recording, speak directly into the microphone and record sound in a setting free of background noise. To check the audio functions on your computer, follow these steps: 1. Select Start > Control Panel > Hardware and Sound > Sound. 2. When the Sound window opens, click the Sounds tab. Under Program Events, select any sound event, such as a beep or alarm, and click the Test button. You should hear sound through the speakers or through connected headphones. To check the recording functions on your computer, follow these steps: 1. Select Start > All Programs > Accessories > Sound Recorder. 2. Click Start Recording and speak into the microphone. Save the file to your desktop. 3. Open a multimedia program and play back the sound. To confirm or change the audio settings on your computer, select Start > Control Panel > Hardware and Sound > Sound. To check the recording functions on your computer, follow these steps: 1. Select Start > All Programs > Accessories > Sound Recorder. 2. Click Start Recording and speak into the microphone. Save the file to your desktop. 3. Open a multimedia program and play back the sound. To confirm or change the audio settings on your computer, select Start > Control Panel > Audio. Webcam (select models only) Some computers include an integrated webcam. With the preinstalled software, you can use the webcam to take a photo or record a video. You can preview and save the photo or video recording. Webcam (select models only) 15

Section	Page
Introduction	11
Finding more information about your new computer	11
Networking (select models only)	12
Creating a wireless connection	12
Identifying wireless and network status icons	12
Turning wireless devices on or off	14
Using HP Connection Manager (select models only)	14
Using operating system controls	14
Using a WLAN	15
Connecting to an existing WLAN	15
Setting up a new WLAN	16
Protecting your WLAN	16
Roaming to another network	17
Using HP Mobile Broadband (select models only)	17
Inserting a SIM	18
Removing a SIM	18
Using GPS (select models only)	19
Using Bluetooth wireless devices	19
Bluetooth and Internet Connection Sharing (ICS)	19
Connecting to a wired network	19
Using a modem (select models only)	19
Connecting a modem cable	20
Connecting a country- or region-specific modem cable adapter	21
Selecting a location setting	21
Viewing the current location selection	21
Adding new locations when traveling	22
Connecting to a local area network (LAN) (select models only)	23
Multimedia	24
Using the media activity controls	24
Audio	24
Adjusting the volume	25
Checking audio functions on the computer	25
Webcam (select models only)	25
Video	26
VGA	26
DisplayPort	27
HDMI	28
Configuring audio for HDMI	28
Intel Wireless Display (select models only)	29
Power management	30
Shutting down the computer	30
Setting power options	31
Using power-saving states	31
Initiating and exiting Sleep	31
Initiating and exiting Hibernation	31
Using the power meter	32
Using power plans	32
Viewing the current power plan	32
Selecting a different power plan	32
Customizing power plans	32
Setting password protection on wakeup	33
Using HP Power Assistant (select models only)	34
Using battery power	34
Finding additional battery information	34
Using Battery Check	35
Displaying the remaining battery charge	35
Maximizing battery discharge time	35
Managing low battery levels	35
Identifying low battery levels	35
Resolving a low battery level	36
Resolving a low battery level when external power is available	36
Resolving a low battery level when no power source is available	36
Resolving a low battery level when the computer cannot exit Hibernation	36
Conserving battery power	36
Storing a user-replaceable battery (select models only)	36
Disposing of a user-replaceable battery (select models only)	37
Replacing a user-replaceable battery (select models only)	37
Using external AC power	37
Testing an AC adapter	38
Switchable graphics/dual graphics (select models only)	39
Using switchable graphics (select models only)	39
Using dual graphics (select models only)	39
External cards and devices	41
Using Media Card Reader cards (select models only)	41
Inserting a digital card	41
Removing a digital card	42
Using ExpressCards (select models only)	42
Configuring an ExpressCard	42
Inserting an ExpressCard	43
Removing an ExpressCard	44
Using smart cards (select models only)	44
Inserting a smart card	45
Removing a smart card	45
Using a USB device	45
Connecting a USB device	46
Removing a USB device	46
Using 1394 devices (select models only)	46
Connecting a 1394 device	47
Removing a 1394 device	47
Using an eSATA device (select models only)	47
Connecting an eSATA device	48
Removing an eSATA device	48
Using a serial device (select models only)	49
Using optional external devices	49
Using optional external drives	49
Using the expansion port (select models only)	50
Using the docking connector (select models only)	50
Drives	52
Handling drives	52
Using hard drives	53
Improving hard drive performance	53
Using Disk Defragmenter	53
Using Disk Cleanup	53
Using HP 3D DriveGuard (select models only)	54
Identifying HP 3D DriveGuard status	54
Managing power with a parked hard drive	54
Using HP 3D DriveGuard software	55
Using optical drives (select models only)	55
Identifying the installed optical drive	55
Inserting an optical disc	55
Tray-load	55
Slot-load	56
Removing an optical disc	56
Tray-load	56
When the disc tray opens normally	57
When the disc tray fails to open normally	57
Slot-load	58
Sharing optical drives	59
Using RAID (select models only)	59
Security	60
Protecting the computer	60
Using passwords	61
Setting passwords in Windows	62
Setting passwords in Computer Setup	63
Managing a BIOS administrator password	63
Entering a BIOS administrator password	64
Managing a DriveLock password	65
Using Computer Setup Automatic DriveLock	65
Entering an Automatic DriveLock password	65
Removing Automatic DriveLock protection	66
Using the fingerprint reader (select models only)	67
Using Internet security software	68
Using antivirus software	68
Using firewall software	68
Installing critical security updates	68
Using HP ProtectTools Security Manager (select models only)	69
Installing an optional security cable	69
Maintenance	70
Cleaning your computer	70
Cleaning products	70
Cleaning procedures	70
Cleaning the display	70
Cleaning the sides and cover	71
Updating programs and drivers	72
Using SoftPaq Download Manager	73
Using HP Software Setup utility	74
Computer Setup (BIOS) and Advanced System Diagnostics	75
Using Computer Setup	75
Starting Computer Setup	75
Navigating and selecting in Computer Setup	75
Restoring factory settings in Computer Setup	76
Updating the BIOS	77
Downloading SoftPaqs to update the BIOS	77
Creating a bootable USB flash drive using a SoftPaq	77
BIOS management using system diagnostics	77
Using f10 setup to update the BIOS	78
Determining the BIOS version	78
Downloading a BIOS update	79
BIOS Setup Menu	79
Main menu	80
Security menu	80
Diagnostics menu	80
Using Advanced System Diagnostics	80
MultiBoot	82
About the boot device order	82
Enabling boot devices in Computer Setup	83
Considering boot order changes	83
Choosing MultiBoot preferences	84
Setting a new boot order in Computer Setup	84
Dynamically choosing a boot device using the f9 prompt	85
Setting a MultiBoot Express prompt	85
Entering MultiBoot Express preferences	85
Traveling with the computer	86
Troubleshooting resources	88
Electrostatic discharge	89

Match case Limit results 1 per page

Adjusting the volume

Depending on your computer model, you can adjust the volume using the following:

●

Volume buttons

●

Volume hotkeys (specific keys pressed in combination with the

key)

●

Volume keys

WARNING!

To reduce the risk of personal injury, adjust the volume before putting on headphones,

earbuds, or a headset. For additional safety information, see the

Regulatory, Safety and

Environmental Notices

NOTE:

Volume can also be controlled through the operating system and some programs.

NOTE:

See the

Getting Started

guide for information on what type of volume controls your computer

has.

Checking audio functions on the computer

NOTE:

For best results when recording, speak directly into the microphone and record sound in a

setting free of background noise.

To check the audio functions on your computer, follow these steps:

Select

Start

Control Panel

Hardware and Sound

Sound

When the Sound window opens, click the

Sounds

tab. Under

Program Events

, select any

sound event, such as a beep or alarm, and click the

Test

button.

You should hear sound through the speakers or through connected headphones.

To check the recording functions on your computer, follow these steps:

Select

Start

All Programs

Accessories

Sound Recorder

Click

Start Recording

and speak into the microphone. Save the file to your desktop.

Open a multimedia program and play back the sound.

To confirm or change the audio settings on your computer, select

Start

Control Panel

Hardware

and Sound

Sound

To check the recording functions on your computer, follow these steps:

Select

Start

All Programs

Accessories

Sound Recorder

Click

Start Recording

and speak into the microphone. Save the file to your desktop.

Open a multimedia program and play back the sound.

To confirm or change the audio settings on your computer, select

Start

Control Panel

Audio

Webcam (select models only)

Some computers include an integrated webcam. With the preinstalled software, you can use the

webcam to take a photo or record a video. You can preview and save the photo or video recording.

Webcam (select models only)