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HP ENVY 15-c000 User Guide - Page 57

Troubleshooting power problems, Connect the AC adapter to the tablet

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WARNING! To reduce potential safety issues, use only the AC adapter provided with the tablet, a replacement AC adapter provided by HP, or a compatible AC adapter purchased from HP. Connect the tablet to external AC power under any of the following conditions: WARNING! Do not charge the tablet battery while you are onboard aircraft. ● When charging or calibrating a battery ● When installing or modifying system software ● When writing information to a disc (select models only) ● When running Disk Defragmenter on tablets with internal hard drives ● When performing a backup or recovery When you connect the tablet to external AC power: ● The battery begins to charge. ● The screen brightness increases. ● The power meter icon on the Windows desktop changes appearance. When you disconnect external AC power, the following events occur: ● The tablet switches to battery power. ● The screen brightness automatically decreases to save battery life. ● The power meter icon on the Windows desktop changes appearance. Troubleshooting power problems Test the AC adapter if the tablet exhibits any of the following symptoms when it is connected to AC power: ● The tablet does not turn on. ● The display does not turn on. ● The power lights are off. To test the AC adapter: 1. Shut down the tablet. 2. Connect the AC adapter to the tablet, and then plug it into an AC outlet. 3. Turn on the tablet. ● If the power lights turn on, the AC adapter is working properly. ● If the power lights remain off, check the connection from the AC adapter to the tablet and the connection from the AC adapter to the AC outlet to be sure that the connections are secure. ● If the connections are secure and the power lights remain off, the AC adapter is not functioning and should be replaced. Contact support for information about obtaining a replacement AC power adapter. Running on external AC power 49

Section	Page
Starting right	9
Best practices	9
Visit the HP Apps Store	9
Fun things to do	10
More HP resources	11
Getting to know your tablet	13
Finding your hardware and software information	13
Locating hardware	13
Locating software	13
Right side	14
Left side	15
Display	16
Front	17
Rear	17
Bottom	18
Labels	19
Adjusting the tablet stand	20
Changing your tablet's settings	21
Changing your tablet's view	21
Adjusting your tablet's autorotate lock	21
Adjusting your tablet's screen brightness	21
Using the keyboard base	22
Keyboard base components	22
Top	22
Lights	24
Turning on the keyboard base	25
Connecting the tablet to the keyboard base	26
Pairing the keyboard base	27
Charging the keyboard base battery	28
Folding the keyboard base as a cover	28
Using the keyboard base keys	28
Using the action keys	29
Using Windows shortcut keys	30
Connecting to a network	31
Connecting to a wireless network	31
Using the wireless controls	31
Using operating system controls	31
Connecting to a WLAN	32
Using Bluetooth wireless devices	32
Sharing data and drives and accessing software	33
Enjoying entertainment features	34
Multimedia features	34
Using the webcam	35
Using audio	36
Connecting speakers	36
Connecting headphones and microphones	36
Using Beats Audio (select models only)	36
Accessing Beats Audio Control Panel	36
Enabling and disabling Beats Audio	36
Testing your audio features	37
Using HP Connected Music	37
Using video	38
Connecting video devices by using an HDMI cable	38
Setting up HDMI audio	39
Discovering and connecting to Miracast-compatible wireless displays (select models only)	39
Navigating the screen	40
Using the TouchPad and gestures	40
Tapping	41
Scrolling	41
2-finger pinch zoom	42
2-finger click	43
Edge swipes	44
Right-edge swipe	44
Left-edge swipe	44
Top-edge swipe	45
Using touch screen gestures (select models only)	46
One-finger slide	46
Tapping	47
2-finger pinch zoom	48
Rotating (select models only)	48
Edge swipes	49
Right-edge swipe	49
Left-edge swipe	49
Top-edge swipe and bottom-edge swipe	50
Using the digitizer pen (select models only)	50
Identifying the pen components	50
Holding the pen	51
Storing the pen	51
Storing the pen on the tablet	51
Storing the pen on the keyboard base	52
Using the on-screen keyboard	52
Managing power	53
Initiating Sleep and Hibernation	53
Manually initiating and exiting Sleep	54
Manually initiating and exiting Hibernation (select models only)	54
Setting password protection on wakeup	54
Using the power meter and power settings	55
Running on battery power	55
Factory-sealed battery	55
Finding battery information	55
Conserving battery power	55
Identifying low battery levels	56
Resolving a low battery level	56
Resolving a low battery level when external power is available	56
Resolving a low battery level when no power source is available	56
Resolving a low battery level when the tablet cannot exit Hibernation	56
Running on external AC power	56
Troubleshooting power problems	57
Refreshing your software content with Intel Smart Connect Technology (select models only)	58
Shutting down (turning off) the tablet	58
Maintaining your tablet	59
Improving performance	59
Using Disk Cleanup	59
Updating programs and drivers	59
Cleaning your tablet	59
Cleaning procedures	60
Cleaning the display	60
Cleaning the sides or cover	60
Cleaning the TouchPad, keyboard base, or mouse (select models only)	60
Traveling with or shipping your tablet	61
Securing your tablet and information	62
Using passwords	62
Setting Windows passwords	63
Setting Setup Utility (BIOS) passwords	63
Using Internet security software	63
Using antivirus software	64
Using firewall software	64
Installing software updates	64
Installing critical security updates	64
Installing HP and third-party software updates	64
Securing your wireless network	65
Backing up your software applications and information	65
Using Setup Utility (BIOS) and HP PC Hardware Diagnostics (UEFI)	66
Starting Setup Utility (BIOS)	66
Updating the BIOS	66
Determining the BIOS version	66
Downloading a BIOS update	67
Using HP PC Hardware Diagnostics (UEFI)	68
Downloading HP PC Hardware Diagnostics (UEFI) to a USB device	68
Backing up, restoring, and recovering	69
Creating recovery media and backups (select models only)	69
Creating HP Recovery media (select models only)	69
Using Windows tools	70
Restore and recover (select models only)	70
Recovering using HP Recovery Manager (select models only)	71
What you need to know	71
Using the HP Recovery partition (select models only)	72
Using HP Recovery media to recover	72
Changing the tablet boot order	72
Specifications	73
Input power	73
Operating environment	73
Electrostatic Discharge	74