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HP 4320t HP 4320t Mobile Thin Client Administrator Reference Guide - Page 41

Resolving a low battery level when external power is available, Conserving battery power - disassembly

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Resolving a low battery level when external power is available ▲ Connect one of the following devices: ● AC adapter ● Optional docking device ● Optional power adapter Resolving a low battery level when a charged battery is available 1. Turn off the computer. 2. Remove the discharged battery, and then insert a charged battery. 3. Turn on the computer. Resolving a low battery level when no power source is available ▲ Save your work and shut down the computer. Conserving battery power ● Select low power-use settings through Power Options. ● Turn off wireless and local area network (LAN) connections and exit modem applications when you are not using them. ● Disconnect external devices that are not plugged into an external power source when you are not using them. ● Stop, disable, or remove any external media cards that you are not using. ● Use the fn+f2 and fn+f3 hotkeys to adjust screen brightness as needed. ● If you leave your work, initiate Sleep or shut down the computer. Storing a battery CAUTION: To prevent damage to a battery, do not expose it to high temperatures for extended periods of time. If a computer will be unused and unplugged from external power for more than 2 weeks, remove the battery and store it separately. To prolong the charge of a stored battery, place it in a cool, dry place. NOTE: A stored battery should be checked every 6 months. If the capacity is less than 50 percent, recharge the battery before returning it to storage. Calibrate a battery before using it if it has been stored for one month or more. Disposing of a used battery WARNING! To reduce the risk of fire or burns, do not disassemble, crush, or puncture; do not short external contacts; do not dispose of in fire or water. Refer to the Regulatory, Safety, and Environmental Notices for battery disposal information. These notices are located in the printed Getting Started Guide. Using battery power 31

Section	Page
Notebook tour	11
Identifying the hardware	11
Display	11
Top	12
Pointing devices	12
Lights	13
Buttons, switches, and speakers	14
Keys	15
Front	16
Right side	17
Left side	17
Bottom	18
Wireless antennas	18
Identifying the labels	19
HP Write Filters	21
File-Based Write Filter	21
Using the File-Based Write Filter command line utility	21
Using the File-Based Write Filter configuration interface	22
Using the File-Based Write Filter status utility	22
Enhanced Write Filter	23
Using the Enhanced Write Filter command line utility	23
Using the Enhanced Write Filter configuration interface	24
Using the Enhanced Write Filter status utility	25
Configuration	26
Local drives	26
Drive Z	26
Drive C	26
Saving files	26
Mapping network drives	27
Roaming profiles	27
User accounts	27
Creating a new user account	27
Creating user profiles	27
Applications	29
Remote Desktop Connection	29
HP Remote Graphics Software (RGS)	29
TeemTalk Terminal Emulation	29
HP Device Manager	29
HP Client Automation	29
HP ThinState Capture	30
HP ThinState Deploy	30
Microsoft Internet Explorer	30
Windows Media Player	30
Pointing devices and keyboard	31
Using pointing devices	31
Setting pointing device preferences	31
Connecting an external mouse	31
Using the keyboard	31
Using hotkeys	31
Displaying system information	32
Decreasing screen brightness	32
Increasing screen brightness	32
Switching the screen image	32
Muting speaker sound	33
Decreasing speaker sound	33
Increasing speaker sound	33
Playing the previous track or section of an audio CD or a DVD	33
Playing, pausing, or resuming an audio CD or a DVD	33
Playing the next track or section of an audio CD or a DVD	33
Using the keypads	33
Using the embedded numeric keypad	34
Enabling and disabling the embedded numeric keypad	34
Switching key functions on the embedded numeric keypad	35
Using an optional external numeric keypad	35
Power	36
Power control and light locations	36
Shutting down the computer	37
Setting power options	37
Using power-saving states	37
Initiating and exiting Sleep	37
Using the Power Meter	38
Using battery power	38
Displaying the remaining battery charge	38
Inserting or removing the battery	38
Charging a battery	39
Managing low battery levels	40
Identifying low battery levels	40
Resolving a low battery level	40
Resolving a low battery level when external power is available	41
Resolving a low battery level when a charged battery is available	41
Resolving a low battery level when no power source is available	41
Conserving battery power	41
Storing a battery	41
Disposing of a used battery	41
Using external AC power	42
Connecting the AC adapter	42
Multimedia	44
Using multimedia hardware	44
Using the audio features	44
Using the audio-in (microphone) jack	45
Using the audio-out (headphone) jack	45
Adjusting the volume	45
Using the video features	45
Using the external monitor port	45
Using the HDMI port	46
Using multimedia software	47
Opening preinstalled multimedia software	47
Using multimedia software	47
Preventing playback disruptions	48
Wireless	49
About integrated wireless devices	49
Using wireless controls	49
Using the wireless button	49
Using operating system controls	49
Using WLAN	49
Setting up a WLAN	50
Connecting to a WLAN	50
Using wireless security features	51
Identifying a WLAN device	51
Modem and LAN	52
Using a modem	52
Connecting a modem cable	52
Connecting a country- or region-specific modem cable adapter	53
Selecting a location setting	54
Viewing the current location selection	54
Adding new locations when traveling	54
Solving travel connection problems	54
Connecting to a local area network	56
Security	57
Protecting the computer	57
Using passwords	58
Setting passwords in Windows	58
Using administrator and user passwords	58
Automatic logon	58
Manual logon	59
Administrator logon	59
Setting passwords in Computer Setup	59
Using a setup password	59
Managing a setup password	60
Entering a setup password	60
Using a power-on password	60
Managing a power-on password	60
Entering a power-on password	61
Requiring a power-on password at restart	61
Installing a security cable	61
Connecting hardware	63
Using a USB device	63
Connecting a USB device	63
Securing USB ports	63
Using the USB Storage Options utility	64
Using Media Card Reader cards	65
Inserting a digital card	65
Removing a digital card	66
Using ExpressCards	67
Configuring an ExpressCard	67
Inserting an ExpressCard	67
Removing an ExpressCard	68
Hardware upgrades	69
Identifying installed drives	69
Handling drives	69
Using optical drives (select models only)	69
Inserting an optical disc (CD or DVD)	70
Removing an optical disc (CD or DVD)	70
When the disc tray opens	71
When the disc tray does not open	71
Using external drives	72
Using optional external devices	72
Using an optional external MultiBay or external MultiBay II	73
Inserting and replacing memory modules	73
MultiBoot	80
About the boot order device	80
Enabling boot devices in Computer Setup	80
Considering boot order changes	81
Choosing MultiBoot preferences	81
Setting a new boot order in Computer Setup	82
Dynamically choosing a boot device using the F9 prompt	82
Setting a MultiBoot Express prompt	82
Entering MultiBoot Express preferences	83
Computer Setup	84
Starting Computer Setup	84
Using Computer Setup	84
Navigating and selecting in Computer Setup	84
Restoring factory settings in Computer Setup	85
Computer Setup menus	85
File menu	85
Security menu	86
System Configuration menu	86
Routine care	89
Cleaning the display	89
Cleaning the keyboard	89
Traveling and shipping	89