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Sony PCG-GRT270 VAIO User Guide - Page 151

Networking, Why can't my computer connect to a wireless LAN access point?

UPC - 027242638471

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Networking Why can't my computer connect to a wireless LAN access point?  Connection availability is affected by distance and obstructions. You may need to move your computer away from obstructions or closer to any access point you may be using.  Make sure the Wireless LAN switch on the computer is on.  Make sure power to the access point is on.  Make sure the access point is displayed in the Available networks window.  Make sure the encryption key is correct. Page 151

Section	Page
Welcome	1
Caring for Your Computer	2
Applying Ergonomics	3
Storing Your Computer	4
Using Cables and Connections	5
Cleaning Your Computer	6
Handling the LCD Screen	7
Powering Your Computer	8
Using AC Power	9
Connecting the AC adapter	10
Turning on the computer	11
Using the Battery	12
Using a second battery	13
Conserving Battery Power	15
Using power saving modes	16
Using PowerPanel utility	17
Locating battery information	20
Inserting a battery	23
Removing a battery	24
Charging a battery	25
Notes on batteries	27
Using Audio-Video Features	28
Using Special Buttons	29
About the special buttons	30
Using i.LINK Digital Video Recorders	31
Connecting an i.LINK digital video recorder	32
Disconnecting the i.LINK digital video recorder	33
Using a digital video camera recorder	34
Using Computer Monitors and Projectors	35
Connecting a computer monitor	36
Connecting a multimedia device	37
Selecting a display	39
Disconnecting a computer monitor or projector	40
Using Speakers	41
Connecting speakers	42
Disconnecting speakers	43
Adjusting the volume	44
Enabling the audio feature	45
Using Microphones	46
Connecting a microphone	47
Disconnecting a microphone	48
Using a microphone to record sound	49
Internet and Network Connections	50
Internet Connections	51
Setting up a dial-up Internet connection	52
Setting up an Ethernet Internet connection	54
Customizing your Internet connection	55
Network Connections	56
Using Ethernet and dial-up connections	57
Using wireless network connections (selected models only)	59
Checking your network connection status	65
CDs and DVDs	66
Inserting and Ejecting CDs or DVDs	68
Copying and Playing CDs and DVDs	70
Playing CDs	71
Copying files to CDs	73
Playing DVDs	75
Connecting your computer to a TV	76
Playing DVDs on a TV	77
Disconnecting your computer from a TV	78
Playing DVDs on your computer	79
Copying files to DVDs (on selected models only)	80
Computer Features	81
Using the Touch Pad	82
Describing the touch pad	83
Customizing the touch pad	84
Using Memory Stick Media	85
About Memory Stick media	86
Inserting Memory Stick media	87
Viewing the contents	88
Write-protecting Memory Stick media	89
Formatting Memory Stick media	90
Removing Memory Stick media	91
Using PC Cards	92
Inserting PC Cards	93
Removing PC Cards	94
Using the Multilingual User Interface Language Option	95
Changing Numbers, Currency, Time, and Date Formats	96
Changing the Window Design of Sony Programs	97
Printer Connections	98
Connecting a USB Printer	99
Disconnecting a Printer	100
Connecting a Parallel Printer	101
Port Replicators	102
Locating Ports and Jacks	103
Connecting a Port Replicator	104
Disconnecting a Port Replicator	106
Mice and Keyboards	107
Using the Keyboard	108
Keyboard descriptions	109
Windows key combinations	110
Indicator lights	111
Fn key combinations	112
Connecting External Mice and Keyboards	113
Connecting a mouse or keyboard	114
Disconnecting a mouse or keyboard	115
Memory Upgrades	116
Precautions and Procedures	117
Removing and Installing Memory Modules	118
Confirming Added Memory Capacity	120
Floppy Disk Drives	121
Using a Floppy Disk Drive	122
Connecting a floppy disk drive	123
Inserting and removing floppy disks	124
Protecting floppy disks	125
Disconnecting a floppy disk drive	126
Storing a floppy disk drive	127
Troubleshooting	128
Computer	129
What do I do if my computer won't start?	130
What do I do if a BIOS error appears when my computer starts?	131
What do I do if the message Operating system not found appears when my computer starts, and why won't Windows start?	132
What do I do if my computer stops responding?	133
Why won't my computer enter Standby or Hibernate mode?	134
Why is the sound of my computer's fan so loud?	135
Why does the System Properties dialog box display a slower CPU speed than the maximum?	136
Why don't my changes appear on the computer screen (LCD)?	137
Battery	138
How do I know when the battery is charged?	139
When is the computer using AC power?	140
When should I recharge the battery?	141
When should I replace the battery?	142
Should I be concerned that the installed battery is warm?	143
Can my computer enter Hibernate mode while using battery power?	144
Why doesn't my computer enter Hibernate mode?	145
Audio/Video	146
Why can't I use the DV recorder?	147
Internet	148
Why doesn't my modem work?	149
Why is my modem connection slow?	150
Networking	151
Why can't my computer connect to a wireless LAN access point?	152
Why can't I access the Internet?	153
Why is the data transfer speed slow?	154
Why is the communication speed interrupted or slowed down when MPEG2 data is transferred?	155
How do I avoid data transfer interruptions?	156
Can I connect to an IEEE 802.11a device?	157
What are channels?	158
When I change the encryption key, the network connection stops. What do I do?	159
Microphone	160
Why doesn't my microphone work?	161
Mouse	162
What do I do if the computer doesn't recognize the mouse?	163
What do I do if the pointer doesn't move when I use the mouse?	164
Speakers	165
Why won't my speakers work?	166
Why can't I hear sound from my speakers?	167
Why don't the Fn+F3 or the Fn+F4 key combinations work?	168
Why do I hear noise distortion while listening to music with speakers or headphones?	169
Touchpad	170
What do I do if the touch pad does not work?	171
CDs and DVDs	172
How do I maintain CDs and DVDs?	173
Why does my computer freeze when I try to read a disc?	174
What do I do if the drive tray won't open?	175
What do I do if the optical drive isn't playing my CD or DVD properly?	176
Why did the computer screen (LCD) go blank?	177
Why can't I view the entire DVD video display on a TV screen?	178
How do I adjust the image on the TV screen?	179
How do I change the video resolution on the TV screen?	180
How do I switch the computer screen (LCD) from LCD to TV?	181
Memory Stick Media	182
Why can't I open my image files?	183
Why can't I save music files onto my Memory Stick media?	184
Can I copy images from a digital video camera using Memory Stick media?	185
How do I prevent damage to the Memory Stick media?	186
How do I extend the life of the Memory Stick media?	187
PC Cards	188
Why doesn't my PC Card work?	189
Why doesn't my computer recognize attached devices?	190
Why can't I insert my PC Card?	191
Printing	192
Why can't I print a document?	193
Floppy Disks	194
Why doesn't the Safely Remove Hardware icon appear on the taskbar when the drive is connected?	195
Why is the drive unable to write data to a floppy disk?	196
Support Options	197
Sony Support Information	198