Hp ENVY dv4-5213cl Notebook PC Uživatelský manuál stáhnout pdf (Strana 76)

Using System Diagnostics

System Diagnostics allows you to run diagnostic tests to determine if the computer hardware is

functioning properly.

To start System Diagnostics:

1. Turn on or restart the computer, quickly press esc, and then press f2.

2. Click the diagnostic test you want to run, and then follow the on-screen instructions.

NOTE: If you need to stop a diagnostic test while it is running, press esc.

66 Chapter 10 Using Setup Utility (BIOS) and System Diagnostics

1 2 ... 71 72 73 74 75 76 77 78 79 80 81 ... 88 89

User Guide 1
Safety warning notice 3
Table of contents 5
1 Starting right 11
More HP resources 12
Locating hardware 13
Locating software 13
Right side 14
Right side 5 15
Left side 16
Display 7 17
TouchPad 18
Buttons and speakers 20
Bottom 13 23
3 Connecting to a network 25
Using a WLAN 26
Setting up a WLAN 27
Configuring a wireless router 27
Protecting your WLAN 27
Connecting to a wired network 28
Using the webcam 31
Using audio 32
Using video 33
Connecting an HDMI device 35
Using the TouchPad 37
Using TouchPad gestures 38
Tapping 39
Scrolling 39
Pinching/Zooming 40
Rotating 40
Flicking 41
Edge swipes 41
Top-edge swipe 42
Left-edge swipe 42
Using the keyboard and mouse 43
Using the hot keys 45
6 Managing power 46
Initiating and exiting Sleep 47
Selecting a power plan 48
Running on battery power 48
Finding battery information 49
Conserving battery power 49
Resolving a low battery level 50
Running on external AC power 51
HP CoolSense 52
Using a USB device 54
Connecting a USB device 55
Removing a USB device 55
Using optical drives 56
Inserting an optical disc 58
Removing an optical disc 59
8 Maintaining your computer 61
Using HP 3D DriveGuard 63
Using Disk Defragmenter 64
Using Disk Cleanup 64
Updating programs and drivers 67
Cleaning your computer 68
9 Securing your computer and 70
Setting Windows passwords 71
Installing software updates 72
Diagnostics 74
Downloading a BIOS update 75
Using System Diagnostics 76
Creating HP Recovery media 78
Restore and recovery 79
What you need to know 81
12 Specifications 83
Operating environment 84
13 Electrostatic Discharge 85

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