Hp Pavilion dv5221tx Notebook PC Manuale Utente Scaricare il pdf (Pagina 172)

The computer cannot connect to a wireless local area network

(WLAN).

If the computer cannot connect to a WLAN:

● Verify that the computer is within optimal range of a wireless router (access point).

● Verify that the wireless light on the computer is turned on.

● Verify that the computer wireless antennae are free from obstructions.

●

Verify that the wireless router and broadband modem are working correctly.

162 Chapter 15 Troubleshooting ENWW

1 2 ... 167 168 169 170 171 172 173 174 175 176 177 ... 183 184

Notebook PC User Guide 1
Table of contents 3
1 Notebook Tour 11
Top components 12
TouchPad 13
Buttons and switches 14
ENWW Components 5 15
Front components 17
Rear components 18
Right-side components 18
ENWW Components 9 19
Left-side components 20
Bottom components 21
ENWW Components 13 23
Specifications 25
2 TouchPad and Keyboard 27
Using the TouchPad 28
Using an external mouse 28
Setting TouchPad preferences 28
Keyboard 29
Hotkey quick reference 30
Hotkey procedures 30
Open a Web browser (fn+f3) 31
Initiate standby (fn+f5) 32
Quick Launch Buttons software 34
Component 36
(1) fn key 36
(2) Embedded numeric keypad 36
(3) num lock light 36
(4) num lk key 36
30 Chapter 3 Power ENWW 40
Power sources 41
Connecting the AC adapter 42
Standby and hibernation 43
When you leave your work 44
Default power settings 46
38 Chapter 3 Power ENWW 48
Power options 49
Setting a security prompt 50
Battery packs 52
Charging a battery pack 53
Calibrating a battery pack 57
Conserving battery power 59
Storing a battery pack 60
4 Drives 61
IDE drive light 62
Hard drive 63
5. Close the cover (2) 65
ENWW Hard drive 55 65
Optical drives 66
Inserting an optical disc 67
5 Multimedia 71
Using media activity hotkeys 75
Using the QuickPlay buttons 76
ENWW Multimedia hardware 67 77
Using the audio features 78
Adjusting the volume 80
Using the video features 81
Using the S-Video-out jack 82
ENWW Multimedia hardware 75 85
ENWW Multimedia hardware 79 89
ENWW Multimedia hardware 83 93
ENWW Multimedia hardware 87 97
Multimedia software 99
Using multimedia software 100
Using QuickPlay software 100
Protecting playback 101
Changing DVD region settings 102
6 External Media Cards 103
Inserting a digital card 104
PC Cards (select models only) 106
Inserting a PC Card 107
ExpressCards 109
Inserting an ExpressCard 110
ENWW ExpressCards 101 111
7 External Devices 113
Stopping a USB device 114
Required USB software 114
Connecting a 1394 device 115
Stopping a 1394 device 115
Required 1394 software 115
Using the expansion port 116
8 Memory Modules 117
13. Replace the battery pack 120
15. Turn on the computer 120
Effects of increasing memory 121
Wireless features 123
Wireless controls 124
Connecting to a public WLAN 127
Connecting the modem cable 130
Selecting a location setting 131
Local area networks 135
11 Security 137
Passwords 138
Passwords set in Windows 139
Administrator password 140
Power-on password 141
Critical updates 142
Optional security cable 143
Setup Utility 145
Setup Utility language 146
Setup Utility defaults 147
Setup Utility menus 148
System Configuration menu 149
Diagnostics menu 149
Software updates 151
Downloading a BIOS update 153
Installing a BIOS update 154
System recovery 156
Reinstalling applications 157
Back up your system 159
Update reinstalled software 161
14 Routine Care 163
Battery pack 164
TouchPad and keyboard 165
Using Disk Defragmenter 166
Using Disk Cleanup 166
Regular tune-ups 167
Traveling and shipping 168
15 Troubleshooting 169
The computer screen is blank 170
Customer Care 173
16 Electrostatic Discharge 175
Grounding methods 176
172 Index ENWW 182

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