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HP ProBook 4545s HP Notebook User Guide - Linux - Page 19

Keys

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Keys NOTE: Refer to the illustration that most closely matches your computer. Component (1) fn key (2) Operating system logo key (3) Function keys (4) Embedded numeric keypad keys (5) Operating system applications key (6) num lk key Description Executes frequently used system functions when pressed in combination with a function key. Displays the operating system menu. Execute frequently used system functions when pressed in combination with the fn key. For more information, see Keyboard and pointing devices on page 24 Can be used like the keys on an external numeric keypad when pressed in combination with the fn and num lk keys. Each key on the keypad performs the function indicated by the icon in the upper-right corner of the key. Displays a shortcut menu for items beneath the cursor. Turns the embedded numeric keypad on and off when pressed in combination with the fn key. NOTE: The keypad function that is active when the computer is turned off is reinstated when the computer is turned back on. Top 9

Section	Page
Welcome	11
Finding information	12
Getting to know your computer	13
Top	13
TouchPad	13
Lights	14
Buttons speakers, and fingerprint reader (select models only)	16
Keys	19
Front	21
Right	22
Left	23
Display	24
Bottom	26
Identifying the bottom parts of the computer	27
Networking	29
Using an Internet service provider (ISP)	29
Identifying wireless and network status icons	29
Creating a wireless connection	29
Turning wireless devices on and off	29
Using the wireless button	29
Using the operating system controls	30
Using a WLAN	30
Connecting to an existing WLAN	30
Setting up a new WLAN	31
Protecting your WLAN	31
Roaming to another network	32
Using Bluetooth wireless devices (select models only)	32
Connecting to a wired network	32
Connecting to a local area network (LAN) (select models only)	32
Keyboard and pointing devices	34
Using the keyboard	34
Identifying the hotkeys	34
Using keypads	35
Using the embedded numeric keypad (select models only)	35
Turning the embedded numeric keypad on and off	35
Switching key functions on the embedded numeric keypad	36
Using the integrated numeric keypad (select models only)	36
Using an optional external numeric keypad	36
Using the TouchPad	36
Turning the TouchPad off and on	36
Navigating	37
Selecting	37
Using TouchPad gestures	37
Scrolling	39
Pinching/Zooming	39
Setting pointing device preferences	39
Multimedia	40
Using the audio features	40
Adjusting the volume	40
Checking your audio functions	41
Using the Webcam (select models only)	41
Using video devices	41
VGA	41
HDMI	44
Configuring audio for HDMI	44
Power management	45
Shutting down the computer	45
Setting power options	45
Using power-saving states	45
Initiating and exiting Suspend	46
Initiating and exiting Hibernation	46
Using the Power icon	46
Using power management	46
Viewing the current power management settings	47
Changing the current power management settings	47
Using battery power	47
Displaying the remaining battery charge	47
Inserting or removing the battery	47
Charging a battery	49
Maximizing battery life	50
Managing low battery levels	50
Identifying low battery levels	50
Resolving a low battery level	51
Resolving a low battery level when external power is available	51
Resolving a low battery level when a charged battery is available	51
Resolving a low battery level when no power source is available	51
Resolving a low battery level when the computer cannot exit Hibernation	51
Conserving battery power	51
Storing a battery	51
Disposing of a used battery	52
Replacing the battery	52
Using external AC power	52
Testing an AC adapter	52
Drives	54
Handling drives	54
Using the optional security screw	54
Removing or replacing the service door	55
Removing the service door	55
Replacing the service door	56
Replacing or upgrading the hard drive	57
Removing the hard drive	57
Installing a hard drive	59
Using optical drives (select models only)	60
Identifying the installed optical drive	60
Inserting an optical disc	60
Tray-load	60
Removing an optical disc	60
Tray-load	60
When the disc tray opens normally	60
When the disc tray fails to open	61
External cards and devices	63
Using Media Card Reader cards (select models only)	63
Inserting a digital card	63
Removing a digital card	63
Using a USB device	64
Connecting a USB device	65
Removing a USB device	65
Using optional external devices	65
Using optional external drives	66
Memory modules	67
Security	70
Protecting the computer	70
Using passwords	70
Setting passwords in the operating system	71
Setting passwords in Computer Setup	71
Managing a BIOS administrator password	72
Entering a BIOS administrator password	72
Using a Computer Setup DriveLock password	72
Managing a DriveLock password	73
Entering a DriveLock password	73
Using Computer Setup Automatic DriveLock	73
Managing an Automatic DriveLock password	73
Using firewall software	73
Installing an optional security cable	74
Using the fingerprint reader (select models only)	75
Enabling fingerprint authentication during logon	75
Enrolling your fingerprint	75
Backup and Recovery	77
Performing a system recovery	77
Backing up your information	78
Computer Setup (BIOS) and Advanced System Diagnostics	79
Starting Computer Setup	79
Using Computer Setup	79
Navigating and selecting in Computer Setup	79
Restoring factory settings in Computer Setup	80
Updating the BIOS	80
Determining the BIOS version	80
Downloading a BIOS update	81
Using Advanced System Diagnostics	82
MultiBoot	83
About the boot device order	83
Enabling boot devices in Computer Setup	84
Considering boot order changes	84
Choosing MultiBoot preferences	85
Setting a new boot order in Computer Setup	85
Dynamically choosing a boot device using the f9 prompt	86
Setting a MultiBoot Express prompt	86
Entering MultiBoot Express preferences	86
Troubleshooting and support	87
Troubleshooting	87
The computer is unable to start up	87
The computer screen is blank	87
Software is functioning abnormally	87
The computer is on but is not responding	87
The computer is unusually warm	88
An external device is not working	88
The wireless network connection is not working	88
The optical disc tray does not open for removal of a CD or DVD	89
The computer does not detect the optical drive	90
A disc does not play	90
A movie is not visible on an external display	90
The process of burning a disc does not begin, or it stops before completion	91
Contacting support	91
Labels	92
Cleaning your computer	93
Cleaning products	93
Cleaning procedures	93
Cleaning the display	93
Cleaning the sides and cover	93
Cleaning the TouchPad and keyboard	94
Specifications	95
Input power	95
Operating environment	95
Electrostatic discharge	96