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HP Pavilion g4-2000 User Guide HP Notebook - Windows 7 - Page 116

Specifications, Input power, DC plug of external HP power supply

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F Specifications Input power The power information in this section may be helpful if you plan to travel internationally with the computer. The computer operates on DC power, which can be supplied by an AC or a DC power source. The AC power source must be rated at 100-240 V, 50-60 Hz. Although the computer can be powered from a standalone DC power source, it should be powered only with an AC adapter or a DC power source supplied and approved by HP for use with this computer. The computer can operate on DC power within the following specifications. Input power Operating voltage and current Rating 18.5 V dc @ 3.5 A - 65 W 18.5 V dc @ 3.5 A - 65 W, Slim Adapter 19.5 V dc @ 3.33 A - 65 W 19.0 V dc @ 4.74 A - 90 W 19.0 V dc @ 4.74 A - 90 W Slim Adapter 19.5 V dc @ 4.62 A - 90 W DC plug of external HP power supply NOTE: This product is designed for IT power systems in Norway with phase-to-phase voltage not exceeding 240 V rms. NOTE: The computer operating voltage and current can be found on the system regulatory label. 106 Appendix F Specifications

Section	Page
Introduction	11
Important first steps	11
Finding information	12
Getting to know your computer	14
Top	14
TouchPad	14
Lights	15
Buttons and fingerprint reader	16
Keys	17
Front	18
Right side	19
Left side	20
Display	21
Bottom	22
Labels	23
Networking	24
Using an Internet service provider	25
Creating a wireless connection	26
Identifying wireless and network status icons	26
Turning wireless devices on or off	27
Using HP Connection Manager (select models only)	27
Using operating system controls	27
Using a WLAN	28
Connecting to an existing WLAN	28
Setting up a new WLAN network	29
Configuring a wireless router	29
Protecting your WLAN	30
Roaming to another network	30
Using Bluetooth wireless devices	31
Bluetooth and Internet Connection Sharing (ICS)	31
Connecting to a wired network	32
Connecting to a local area network (LAN)	32
Pointing devices and keyboard	33
Using pointing devices	33
Setting pointing device preferences	33
Using the TouchPad	33
Turning the TouchPad off or on	34
Navigating	35
Selecting	35
Using TouchPad gestures	36
Scrolling	37
Pinching/Zooming	37
Using the keyboard	38
Using the action keys	38
Using the hotkeys	40
Multimedia and other features	41
Using the media activity controls	41
Audio	41
Adjusting the volume	42
Checking audio functions on the computer	42
Intel Wireless Display	43
Using Beats Audio (select models only)	43
Webcam	44
Video	44
VGA	44
HDMI	45
Configuring audio for HDMI	45
Using CyberLink PowerDVD (select models only)	46
Power management	47
Inserting or removing the battery	47
Inserting the battery	47
Removing the battery	48
Shutting down the computer	49
Setting power options	50
Initiating Sleep or Hibernation	50
Initiating and exiting Sleep	51
Initiating and exiting Hibernation	51
Using the power meter	52
Using power plans	52
Viewing the current power plan	52
Selecting a different power plan	52
Customizing power plans	53
Setting password protection on wakeup	53
Using HP Power Manager (select models only)	54
Using battery power	54
Finding battery information	55
Using Battery Check	55
Displaying the remaining battery charge	55
Maximizing battery discharge time	56
Managing low battery levels	56
Identifying low battery levels	56
Resolving a low battery level	57
Resolving a low battery level when external power is available	57
Resolving a low battery level when a charged battery is available	57
Resolving a low battery level when no power source is available	57
Resolving a low battery level when the computer cannot exit Hibernation	57
Conserving battery power	57
Storing a battery	58
Disposing of a used battery	58
Replacing the battery	58
Using external AC power	59
Testing an AC adapter	60
HP CoolSense	61
Refreshing your software content	61
Switchable graphics/dual graphics (select models only)	61
Using switchable graphics (select models only)	62
Using dual graphics (select models only)	62
External cards and devices	63
Using Digital Media Slot cards (select models only)	63
Inserting a digital card	63
Removing a digital card	64
Using a USB device	65
Connecting a USB device	65
Removing a USB device	66
Using optional external devices	66
Using optional external drives	66
Drives	67
Handling drives	67
Using hard drives	68
Improving hard drive performance	68
Using Disk Defragmenter	68
Using Disk Cleanup	68
Using HP 3D DriveGuard (select models only)	69
Identifying HP 3D DriveGuard status	69
Managing power with a parked hard drive	70
Using HP 3D DriveGuard software	70
Adding or replacing a hard drive	71
Removing the hard drive	71
Installing a hard drive	73
Using optical drives	75
Identifying the installed optical drive	75
Inserting an optical disc	75
Removing an optical disc	76
When the disc tray opens normally	76
When the disc tray fails to open normally	77
Sharing optical drives	78
Memory modules	79
Adding or replacing memory modules	79
Securing your computer and information	84
Locating your security software (select models only)	85
Using passwords	85
Setting Windows passwords	86
Setting passwords in Setup Utility (BIOS)	86
Using the fingerprint reader	87
Registering fingerprints	87
Using your registered fingerprint to log on to Windows	87
Using Internet security software	88
Using antivirus software	88
Using firewall software	88
Installing software updates	89
Installing Windows security updates	89
Installing HP and third-party software updates	89
Securing your wireless network	89
Backing up your software applications and information	90
Using an optional security cable lock	90
Backup and recovery	91
Restoring the system	92
Creating restore media	92
Performing a system recovery	93
Using the dedicated recovery partition	93
Restoring using the restore media	94
Changing the computer boot order	94
Backing up and recovering your information	95
Using Windows Backup and Restore	96
Using Windows system restore points	96
When to create restore points	96
Create a system restore point	97
Restore to a previous date and time	97
Setup Utility (BIOS) and System Diagnostics	98
Using Setup Utility (BIOS)	98
Starting Setup Utility (BIOS)	98
Changing the language of Setup Utility (BIOS)	98
Navigating and selecting in Setup Utility (BIOS)	99
Displaying system information	99
Restoring factory settings in Setup Utility (BIOS)	100
Exiting Setup Utility (BIOS)	100
Updating the BIOS	101
Determining the BIOS version	101
Downloading a BIOS update	102
Using System Diagnostics	103
Troubleshooting and support	104
Troubleshooting	104
The computer is unable to start up	104
The computer screen is blank	104
Software is functioning abnormally	104
The computer is on but not responding	105
The computer is unusually warm	105
An external device is not working	105
The wireless network connection is not working	106
The optical disc tray does not open for removal of a disc	107
The computer does not detect the disc drive	108
A disc does not play	109
The process of burning a disc does not begin, or it stops before completion	110
Contacting customer support	110
Cleaning your computer	111
Cleaning the display	111
Cleaning the sides and cover	111
Cleaning the TouchPad and keyboard	111
Traveling with the computer	112
Updating programs and drivers	114
Electrostatic Discharge	115
Specifications	116
Input power	116
DC plug of external HP power supply	116
Operating environment	117