Sony VAIO PCG-NV290, User Manual

Page: 180 / 206

VAIO Computer Quick Start
180
Troubleshooting Networks
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.
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Make sure the Wireless LAN switch on the computer is in the ON position or
the Wireless LAN PC Card is properly inserted. See “To insert a PC Card”
for more information.
❑
Make sure power to the access point is on.
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Make sure the access point is displayed in the Available networks window.
1 From the Start menu, click Control Panel , Network and Internet
Connections , and then Network Connections .
2 Right-click Wireless Network Connection , and select Properties . The
Wireless Network Connection Properties dialog box appears.
3 Select the Wireless Networks tab, and make sure the access point is
displayed in the Available networks box. If it is not displayed, see “To
connect to an existing wireless network” for more information.
❑
Make sure the encryption key is correct.
Why can’t I access the Internet?
❑
Make sure the Wireless LAN PC Card is properly inserted into the PC Card
slot. For more information, see “Inserting PC Cards.”
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Check the access point settings. Refer to the instructions supplied with the
access point.
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Make sure your computer and the access point are connected to one another.
❑
Move your computer away from obstructions or closer to any access point
you may be using.
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Make sure your computer is properly configured for Internet access.
Why is the data transfer speed slow?
❑
The wireless LAN data transfer speed is affected by distance and
obstructions between devices and access points. Other factors include device
configurations, radio conditions, and program compatibility. To maximize