Sony VAIO F22 VPCF22CFX User Manual

141nN Troubleshooting >
Networking (LAN/Wireless LAN)
Networking (LAN/Wireless LAN)
What should I do if the VAIO Smart Network icon is not displayed on the taskbar?
❑Click   on the taskbar and check if the VAIO Smart Network icon   is displayed.
❑If the VAIO Smart Network icon   is not on the taskbar, click Start, All Programs, and VAIO Smart Network, and then 
change the setting to display the icon on the taskbar.
  

142nN Troubleshooting >
Networking (LAN/Wireless LAN)
What should I do if my computer cannot connect to a wireless LAN access point?
❑Connection capability 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 switch is on and the WIRELESS indicator light is lit on your computer.
❑Make sure power to the access point is on.
❑Follow these steps to check the settings:
1Click Start and...

143nN Troubleshooting >
Networking (LAN/Wireless LAN)
What should I do if I cannot access the Internet?
❑Check the access point settings. See the manual that came with your access point for more information.
❑Make sure your computer and the access point are connected to one another.
❑Move your computer away from obstacles or closer to any access point you may be using.
❑Make sure your computer is properly configured for Internet access.
❑Make sure Maximum Performance is selected for Wireless Adapter...

144nN Troubleshooting >
Networking (LAN/Wireless LAN)
How do I avoid data transfer interruptions?
❑While your computer is connected to an access point, data transfer interruptions may occur if a large file is exchanged or 
the computer is placed in close proximity to microwaves and cordless telephones.
❑Move your computer closer to the access point.
❑Make sure the access point connection is intact. 
❑Change the access point channel. See the manual that came with your access point for more information....

145nN Troubleshooting >
BLUETOOTH Technology
BLUETOOTH Technology
What should I do if other BLUETOOTH devices cannot find my computer?
❑Make sure both devices have the BLUETOOTH function enabled.
❑Make sure the WIRELESS switch is on and the WIRELESS indicator light is lit on your computer.
❑You cannot use the BLUETOOTH function while your computer is in a power saving mode. Bring the computer back to 
Normal mode, then turn on the WIRELESS switch.
❑Your computer and the device may be too far apart....

146nN Troubleshooting >
BLUETOOTH Technology
What should I do if other BLUETOOTH devices cannot connect to my computer?
❑Check the suggestions in What should I do if I cannot find the BLUETOOTH device I want to communicate with? 
(page 145).
❑Make sure the other devices are authenticated.
❑The data transfer distance can be shorter than 10 meters depending on existing obstacles between the two devices, on 
radio wave quality, and on the operating system or the software in use. Move your computer and...

147nN Troubleshooting >
BLUETOOTH Technology
Can I use a device with BLUETOOTH technology on airplanes?
With BLUETOOTH technology, your computer transmits a radio frequency of 2.4 GHz. Sensitive locations, such as hospitals 
and airplanes, may have restrictions on use of BLUETOOTH devices to avoid radio interference. Check with facility staff to 
see if use of the BLUETOOTH function on the computer is permitted.
 
Why cant I use the BLUETOOTH function when I log onto my computer as a user with a...

148nN Troubleshooting >
Optical Discs
Optical Discs
Why does my computer freeze when I try to read a disc?
The disc that your computer is trying to read may be dirty or damaged. Follow these steps:
1Press the Ctrl+Alt+Delete keys and click the arrow next to the Shut down button and Restart to restart the computer.
!Turning off your computer with the Ctrl+Alt+Delete keys may cause loss of unsaved data.
2Remove the disc from the optical disc drive.
3Check the disc for dir t or damage. If you need to clean...

149nN Troubleshooting >
Optical Discs
What should I do if I cannot play a disc properly on my computer?
❑Make sure the disc is inserted into the optical disc drive with the label facing upward.
❑Make sure the necessary program(s) is installed according to the manufacturers instructions.
❑If a disc is dirty or damaged, your computer will stop responding. Follow these steps:
1Press the Ctrl+Alt+Delete keys and click the arrow next to the Shut down button and Restart to restart the computer.
!Turning off...

150nN Troubleshooting >
Optical Discs
4Click Device Manager in the left pane.
The Device Manager window appears with a listing of your computers hardware devices.
If an X or an exclamation point appears on the listed device, you may need to enable the device or reinstall the driver 
software.
5Double-click the optical disc drive device to open a list of the optical disc drives of your computer.
6Double-click your desired drive.
You can confirm the driver software by selecting the Driver tab, and clicking...