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HP Spectre XT TouchSmart Ultrabook CTO 15t-4000 User Guide - Windows 8 - Page 67

Identifying low battery levels, Resolving a low battery level

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● Stop, disable, or remove any external media cards that you are not using. ● Before you leave your work, initiate Sleep or shut down the computer. Identifying low battery levels When a battery that is the sole power source for the computer reaches a low or critical battery level, the following behavior occurs: ● The battery light (select models only) indicates a low or critical battery level. - or - ● The power meter icon on the Windows desktop shows a low or critical battery notification. NOTE: For additional information about the power meter, see Using the power meter and power settings on page 54. The computer takes the following actions for a critical battery level: ● If Hibernation is disabled and the computer is on or in the Sleep state, the computer remains briefly in the Sleep state, and then shuts down and loses any unsaved information. ● If Hibernation is enabled and the computer is on or in the Sleep state, the computer initiates Hibernation. Resolving a low battery level Resolving a low battery level when external power is available ● Connect an AC adapter. ● Connect an optional docking or expansion device. ● Connect an optional power adapter purchased as an accessory from HP. Resolving a low battery level when no power source is available Save your work and shut down the computer. Resolving a low battery level when the computer cannot exit Hibernation When the computer lacks sufficient power to exit Hibernation, follow these steps: 1. Connect the AC adapter to the computer and to external power. 2. Exit Hibernation by pressing the power button. Running on battery power 57

Section	Page
Starting right	11
Best practices	11
Fun things to do	12
More HP resources	13
Getting to know your computer	14
Finding your hardware and software information	14
Locating hardware	14
Locating software	14
Right side	15
Left side	17
Display	19
Top	20
TouchPad	20
Lights	21
Buttons, speakers, and antennas	23
Keys	25
Bottom	26
Labels	27
Connecting to a network	29
Connecting to a wireless network	29
Using the wireless controls	29
Using the wireless button	30
Using operating system controls	31
Using a WLAN	31
Using an Internet service provider	31
Setting up a WLAN	32
Configuring a wireless router	32
Protecting your WLAN	32
Connecting to a WLAN	33
Using Bluetooth wireless devices	33
Connecting to a wired network	34
Connecting to a local area network (LAN)	34
Enjoying entertainment features	35
Using the webcam	36
Sharing media and data between devices	36
Finding more information	36
Using sMedio 360 Suite	37
Accessing sMedio 360 Suite	37
Using sMedio 360 TrueSync	37
Accessing sMedio 360 TrueSync	37
Using sMedio 360 TrueLink+	38
Determining your Android phone OS version	38
Downloading the sMedio 360 TrueLink+ app on your phone	38
Sharing media from your phone to your computer	38
Using audio	39
Connecting speakers	39
Connecting headphones	39
Connecting a microphone	39
Using Beats Audio	39
Accessing Beats Audio Control Panel	39
Enabling and disabling Beats Audio	39
Checking the sound	40
Using video	40
Connecting an HDMI device	41
Configuring HDMI audio settings	41
Connecting a Thunderbolt DisplayPort device	42
Using Intel Wireless Display and Wireless Music (select models only)	43
Managing your audio and video files	43
Navigating using touch gestures, pointing devices and the keyboard	44
Using the TouchPad	45
Using TouchPad gestures	46
Tapping	46
Scrolling	47
Pinching/stretching	47
Rotating (select models only)	48
2-finger click (select models only)	48
Flicking (select models only)	49
Edge swipes	49
Right-edge swipe	49
Top-edge swipe	50
Left-edge swipe	50
Using touch screen gestures	51
One-finger slide	51
Tapping	52
Scrolling	52
Pinching/stretching	53
Rotating (select models only)	53
Edge swipes	54
Right-edge swipe	54
Left-edge swipe	54
Top-edge swipe and bottom-edge swipe	55
Keyboard backlight	56
Using the keyboard and mouse	57
Using the keys	57
Using the action keys	57
Using Windows 8 shortcut keys	59
Using the hot keys	60
Managing power	61
Initiating Sleep and Hibernation	62
Intel Rapid Start Technology (select models only)	62
Initiating and exiting Sleep	62
Enabling and exiting user-initiated Hibernation	63
Setting password protection on wakeup	63
Using the power meter and power settings	64
Selecting a power plan	65
Running on battery power	66
Factory-sealed battery	66
Finding battery information	66
Conserving battery power	66
Identifying low battery levels	67
Resolving a low battery level	67
Resolving a low battery level when external power is available	67
Resolving a low battery level when no power source is available	67
Resolving a low battery level when the computer cannot exit Hibernation	67
Running on external AC power	68
Troubleshooting power problems	69
HP CoolSense (select models only)	70
Refreshing your software content with Intel Smart Connect Technology (select models only)	71
Shutting down (turning off) the computer	72
Managing and sharing information	73
Using a USB device	73
Connecting a USB device	74
Removing a USB device	75
Connecting a powered USB device	75
Inserting and removing a digital storage card	76
Maintaining your computer	77
Improving performance	77
Using HP 3D DriveGuard (select models only)	77
Using Disk Defragmenter	77
Using Disk Cleanup	78
Updating programs and drivers	79
Cleaning your computer	80
Cleaning the display, sides, and cover	80
Cleaning the TouchPad and keyboard	80
Traveling with or shipping your computer	81
Securing your computer and information	82
Using passwords	82
Setting Windows passwords	83
Setting Setup Utility (BIOS) passwords	83
TPM Embedded Security device (select models only)	84
Using Internet security software	84
Using antivirus software	85
Using firewall software	85
Installing software updates	85
Installing Windows updates	85
Installing HP and third-party software updates	86
Securing your wireless network	86
Backing up your software applications and information	86
Using an optional security cable lock	86
Using Setup Utility (BIOS) and System Diagnostics	87
Starting Setup Utility (BIOS)	87
Updating the BIOS	87
Determining the BIOS version	87
Downloading a BIOS update	88
Using System Diagnostics	89
Backing up, restoring, and recovering	90
Creating recovery media and backups	91
Creating HP Recovery media	92
Restore and recovery	93
Using Windows Refresh for quick and easy recovery	94
Remove everything and reinstall Windows	94
Recovering using HP Recovery Manager	95
What you need to know	95
Using the HP Recovery partition to recover a minimized image (select models only)	96
Using HP Recovery media to recover	96
Changing the computer boot order	97
Removing the HP Recovery partition	97
Specifications	98
Input power	98
Operating environment	99
Electrostatic Discharge	100