Hp ENVY dv7-7323cl Notebook PC Manuel d'utilisateur télécharger pdf (Page 52)

6 Managing power

Your computer can operate on either battery power or external power. When the computer is only

running on battery power and an AC power source is not available to charge the battery, it is

important to monitor and conserve the battery charge. Your computer supports power plans to

manage how your computer uses and conserves power so that you can balance computer

performance with power conservation.

42 Chapter 6 Managing power

1 2 ... 47 48 49 50 51 52 53 54 55 56 57 ... 103 104

User Guide 1
Safety warning notice 3
Table of contents 5
1 Starting right 11
Fun things to do 12
More HP resources 13
Locating hardware 14
Locating software 14
Right side 15
Left side 17
Component Description 18
TouchPad 20
3 Connecting to a network 28
Using a WLAN 29
Setting up a WLAN 30
Configuring a wireless router 30
Protecting your WLAN 31
Connecting to a WLAN 31
Connecting to a wired network 33
Using the webcam 36
Using audio 36
Checking the sound 37
Using video 38
Using video 29 39
Connecting an HDMI device 40
Using the TouchPad 43
Using TouchPad gestures 44
Scrolling 45
Pinching/zooming 45
Rotating (select models only) 46
Flicking (select models only) 47
Edge swipes 47
Top-edge swipe 48
Left-edge swipe 48
Using the keyboard and mouse 49
Using the hot keys 51
6 Managing power 52
Initiating and exiting Sleep 54
Selecting a power plan 56
Running on battery power 57
Finding battery information 58
Conserving battery power 58
Resolving a low battery level 59
Running on external AC power 60
Using a USB device 65
Removing a USB device 66
Using optical drives 68
Inserting an optical disc 69
Removing an optical disc 70
8 Maintaining your computer 72
Replacing a hard drive 73
Using HP 3D DriveGuard 75
Using Disk Defragmenter 75
Using Disk Cleanup 75
9. Replace the service door 78
10. Replace the battery 78
12. Turn on the computer 78
Updating programs and drivers 79
Cleaning your computer 79
9 Securing your computer and 81
Using passwords 82
Using the fingerprint reader 83
Registering fingerprints 84
Setting up Windows logon 84
Using antivirus software 85
Using firewall software 85
Installing software updates 86
Diagnostics 88
Downloading a BIOS update 89
Using System Diagnostics 90
Creating HP Recovery media 93
Restore and recovery 94
What you need to know 96
12 Specifications 99
Operating environment 100
13 Electrostatic Discharge 101

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