The f12 button isn't disable the bluetooth device but when i press it the bluetooth is enabled , on the other hand the wireless light is switched on permanently equal the wireless is enabled or di

Go to the Control Panel, click on "Device Manager", click on "Network Adapters" and select the wireless adapter you use. Right-click on it and select "Enable". That should turn it on.

F1 - Security System

1

Press and hold the "Fn" key on the lower left-hand corner of your Toshiba keyboard.

2

Press the "F1" key to activate the security system.

Your laptop's screen will go blank so others can't see what you are working on or accessing.

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3

Press any key or touch the touchpad to exit the security mode.

F2 - Power Save Mode

4

Press and hold the "Fn" key.

5

Press the "F2" key to activate the Power Save mode and make changes to how your laptop handles operating on battery or AC power.

6

Press "Fn" and the "F2" key again to exit the power save mode.

F3 - Standby Mode

7

Press and hold the "Fn" key.

8

Press the "F3" key to place your laptop in Standby mode.

The Standby dialog box will appear.

9

Verify you want to enter Standby mode. Press the power button on your Toshiba laptop to exit Standby mode.

F4 - Hibernation Mode

10

Press and hold the "Fn" key.

11

Press the "F4" key to activate the Hibernation mode and save whatever documents and files that are open to your hard drive.

12

Verify you want to enter Hibernation mode. Press the power button on your Toshiba laptop to exit Hibernation mode.

F5 - Active Display Device/F6 and F7 - Toshiba LCD Screen Brightness

13

Press and hold the "Fn" key.

14

Press the "F5" key to change your laptop's active display device from the laptop screen to an external monitor.

15

Click on the display configuration you want: displaying on both the laptop and external monitor; only on the laptop; only on the external monitor; or a specific screen resolution.

16

Press and hold "Fn" and "F5" to accept the new display settings. Press and hold "Fn" and "F5" again to return to your laptop's display only.

17

Press and hold the "Fn" key.

18

Press the "F6" key to decrease your laptop's screen brightness. Press the "F7" key to increase the brightness.

F8 - Wireless Connection/Bluetooth

19

Press and hold the "Fn" key.

20

Press the "F8" key to select the wireless Internet or Bluetooth connection you want to use.

21

Press and hold "Fn" and "F8" to make your selection. Release the keys to confirm your selection.

F9 - Touchpad Control

22

Press and hold the "Fn" key.

23

Press the "F9" key to enable your laptop's touchpad.

24

Press and hold "Fn" and "F9" again to disable the touchpad.

F10 and F11 - Numeric Keypad/F12 - Scroll Lock

25

Press and hold the "Fn" key.

26

Press the "F10" key to enable your Toshiba laptop's numeric keypad.

27

Press and hold "Fn" and "F11" to enable the cursor control keys on the numeric keypad.

28

Press and hold the "Fn" and "F10" or "F11" key to disable the numeric keypad or cursor control keys.

29

Press and hold the "Fn" key.

30

Press the "F12" key to lock your cursor on a specific line of text. Press and hold "Fn" and "F12" to turn scroll lock off.

hope this helps

Try this -

Wireless device is turned off or disabled 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 wireless service. On 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, see the user guide for more information. To turn on and enable the wireless device, do the following:

1. To 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.
2. 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 will display.
3. You can also try pressing the fn+ F2 keys simultaneously to enable the wireless device.
   

It sounds like your WiFi switch was somehow shut off.

Wireless device is turned off or disabled 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 wireless service. On 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, see the user guide for more information. To turn on and enable the wireless device, do the following:

1. To 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.
2. 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 will display.
3. Or you can try pressing the Fn and the F2 keys at the same time to enable your wireless adapter.
4. Here is a link for your product support page at Hp.com : http://h10025.www1.hp.com/ewfrf /wc/searchResults?tmp_product=Compaq+Presario+V6000T+CTO+Notebook+PC&product=3177516&tmp_qt=turn+on+wireless+switch&lc=en&dlc=en&cc=us
   

From the HP website:

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 wireless service. On 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:

1. To 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.
2. 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 will display.

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 wireless service. On 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:

1. To 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.
2. 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 will display.

You can turn on/off Bluetooth and Wireless using the Fnand F2 key.
To enable or disable wireless networking, press <Fn><F2>.
Turns on when a card with Bluetooth® wireless
technology is enabled.
NOTE: The card with Bluetooth wireless technology is an optional feature, so the ordered the card with your computer. For more information,
see the documentation that came with your card.
To turn off only the Bluetooth wireless technology
functionality, right-click the
area and click Disable Bluetooth Radio.
To quickly enable or disable all wireless devices, press
<Fn><F2>.

Please refer the page #69 to 74 for complete information on the Wireless and Blue-tooth

http://support.dell.com/support/edocs/systems/ins6400/en/om/MD402AO3.pdf

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
recurrently.

Wireless LAN and Bluetooth:
�� Wireless LAN LED indicator glows green when Wireless LAN function is
enabled.
�� 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

Regards

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,