Not sure what kind of laptop you have, but on some models check to make sure that the actual physical "switch" is turned on. Usually located in the front or side of the laptop. Sometimes there is a little wireless logo located above the keyboard somewhere. And other times its set as a "function" key. If you see a wireless logo on a F-key (say for example F5), press and HOLD the FN key (FN stands for function, usually located on the lower left of the keyboard) and the corresponding F-key. Hope this helps!
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Look on your function keys there could be a radio tower symbol. If you have one press and hold the FN button ( left side on the bottom of keyboard ) and then press the button with the tower on it that should turn on / off your wireless. you may also have a switch on the sides or front which maybe turned off also check for that.
I understand that you are not able to setup the Wireless Network Connection in your Computer.
To fix this issue, please make sure that the Physical Wireless Switch on the Computer is turned ON and then try connecting the Computer to the Wirelss Network.
You can locate the Physical Wireless Switch on the front side of the Computer. Please move the switch toward right side to turn it ON.
Once the Physical Wireless Switch is turned ON, please try setting up the Wireless Network Connection.
If you are not able to to connect to Wireless Network Connection after switching on the Physical Wireless LAN Switch, try using the Wireless Switch Setting Utility.
To enable the Wireless Network Connection using the Wireless Device Switch Utility, please double-click the Wireless Device Switch icon on the right corner of the Taskbar. Then in the open Wireless Device Switch window, please click to check the box next to Enable 2.4Ghz Wireless LAN.
This should fix the issue.
Please post back if you have any questions or require further assistance.
First, turn the wireless switch OFF and switch it back ON
(make sure sure that there is a BLUE light on the wireless indicator)
then press Fn+F5 (this will ENABLE the wireless capability of your computer)
>Try to detect wireless networks
>comments suggestions ratings and violent reactions will greatly be appreciated
make sure that your wireless network card is turned on. reinstall your wireless network card driver. if nothing happened, consult your manufacturer. possible defective wireless network card. you can also test your router by using other computer if that computer can connect to your wireless router. if yes, then the problem is your computer. if not, then problem is your router. hope this helps.
The wireless card has dropped the IP address, to get the wireless router to issue the wireless card with a new IP address, right click on the wireless connection (the one with the red X) and left click on Repair.
When the red X disappears then you can connect to the Internet.
the key combo is F2 + Fn key (the fn key is located on the bottom row all the to the left) a little blue light lights up that looks like this ((o)) that lets you know it's on. press the combo again to turn of wifi communications.