I think i got it! i had the same problem a few days ago. go to the network and sharing center in vista. then on the left pane, click on the "manage network connections" link. at the bottom should be your wireless connection. right click on it and at the top of the little menu it should say enable. and viola vaio, your little green wlan light should come on and it should connect to your wifi network. :)
SONY Support provided me with this solution, which worked:
Could you make sure that the WLAN has been enabled in Vaio Smart Network? To do this: 1. click on Start 2. type "Control" in Start Search bar 3. click on Vaio Control Center 4. in Categories expand Network Connections 5. double click on Vaio Smart Network 6. additional icon (two arrows) should appear in the Taskbar (next to the clock) 7. double click on the icon and double click on the box next to WLAN 8. should go green 9. test the connection afterwards
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Hi, assuming your laptop is switched on.
Above the keyboard on the right side are the three 'Easy buttons'. The one on the left is for the wireless function.
Push this button to activate or deactivate the Wireless LAN. When you activate the wireless LAN function, it will search for a wireless LAN signal automatically (assuming you have the wireless LAN driver installed). Just below the screen on the right side is the Status LED Panel, which show six icons, each with its own LED. The first one on the left indicates Wireless LAN status. When the LED is displaying a green light, it indicates that the system is accessing data from, or retrieving data by wireless LAN. So whenever you press the Easy button, you should see the green status light come on or go off. To repeat, if the light is not on, you need to press the Wireless LAN 'Easy Button'. NOTE! If you can't get the button to come on, you will need to re-install the Wireless LAN driver.
Check your function keys, Typically all laptops even those that have a wireless switch has a way to turn on your wireless card using Function Plus the key assigned to your laptop. check the keyboard for the wireless icon and press function and that key.
Position the laptop so that you're
facing the screen and the keyboard is in front of you.
Check the front edge of the laptop's
Identify the wireless indicator
light labeled with a wireless antenna icon. The "On/Off" switch to
the left of the indicator light is the wireless switch.
Move the switch to the
"Off" position to deactivate the wireless adapter or move it to the
"On" position if you want to power on the wireless adapter. On-Screen
Press and hold down the
"Fn" function key on the computer's keyboard to display the laptop's
hotkey card icons on the screen.
Click the "Wireless" icon
on the screen or press the corresponding hotkey button on the keyboard,
typically the "F8" key on a Toshiba laptop.
Click the "Wireless On" or
"Wireless Off" icon in the options list below the hotkey card icon to
activate or deactivate all wireless connections. If your laptop has Wi-Fi and
Bluetooth connections, you can also choose to activate or deactivate these
if have drives problem you can download using this link
Make sure you Press and Hold the FN function key then hit the F2 key.
Maybe you don't have your wireless turned on. Look on
both sides and in front for the Wireless Switch and turn it on.
Also once the wireless switch is turned on there are keystrokes that can toggle
the wireless on or off. Normally you would Press and Hold the FN function
key located at the lower left of the keyboard, then hit the correct F1 thru F12
key that toggles the wireless. The correct F1 thru F12 key to hit will
have the wireless signal icon )))) on it. Or it might have the icon of a tower
with the wireless signal icon )))). Normally the screen will display
Wireless On or Wireless Off when you toggle the wireless.
Some laptops might have a wireless button instead of a wireless switch located above the keyboard or on the front or sides.
The power to the wireless network and
bluetooth devices is controlled by a switch or button on most computers.
It is possible to accidentally bump the button and turn off the
most computers, there is an LED light that glows blue when the wireless
device is turned on and enabled, and glows orange when off or disabled.
Some newer models use different a different color scheme.
To turn on and enable the wireless device, do the following:
turn on the wireless device, simply move the switch to the on position.
On some computers, the switch is actually a touch point on the panel
above the keyboard.
To enable the wireless device, right-click the HP Wireless Assistant (disabled) icon
and select Open Wireless Assistant
. Click Turn On
. The HP Wireless Assistant (enabled) icon
Depending on your operating system, you can often just troubleshoot the problem and Windows will automatically turn your wireless adapter back on. If this doesn't work, it's likely that there's a physical switch on the laptop that needs to be in the "on" position otherwise it won't work. It may also be a function key combination. If this is the case, look for a little wireless symbol on your F1 through F12 buttons, then hit the function key "Fn" (usually right next to Ctrl) along with the appropriate wifi key and it should re-engage.
As per the manual the FN and F11 keys turn on both Bluetooth and Wireless so you need to try it will turn bluetooth and then it will turn on wireless, you can check them by LEDS
Press and hold the Fn button, and then press the F11 button
repeatedly to enable or disable the Wireless LAN or Bluetooth function
Wireless LAN and Bluetooth:
Wireless LAN LED indicator glows green when Wireless LAN function is
Bluetooth LED indicator glows blue when Bluetooth function is enabled.
Both LED indicators glow green and blue at the same time when both
functions are enabled.
Both LED indicators go out when both functions are disabled. Note: For flight safety consideration, make sure these two LED indicators
go out when you are in flight.
Let me know if you are able to turn the wireless on
Also i will suggest you check in device manager that you wireless adapter is enabled
I am aboutsure about the question, but what i understood is wireless switch location
First close your laptop, then look the front view where the speaker is located, From the left
1.Speakers Left and right speakers deliver stereo audio output.
2 Power indicator Lights up when the computer is on.
3 Battery indicator Lights up when the battery is being charged
. 4 Bluetooth communication button/indicator (for selected models) Press to enable/disable the Bluetooth function. Indicates the status of Bluetooth communication (optional).
5 Wireless communication button/indicator Press to enable/disable the wireless function. Indicates the status of wireless LAN communication (optional).
6 Line-in jack Accepts audio line-in devices (e.g., audio CD player, stereo walkman).
7 Mic-in jack Accepts inputs from external microphones.
So your wireless switch is the 5th one from the left. Locate it and turn on the wireless, and try to connet to the router.
Try this, hope it may work,