How to enable Wireless
7280 / 7290
To enable/Disable WiFi on a 7280 / 7290 model laptop, press and hold Fn key and press Home key at the top:
E7270
To enable WiFi on a E7270 model, select and hold Fn and press the print scrn /blue logo button with the radio picture as shown.
E7250
To enable simply select Fn and PrtScr
E7240
1. Find the wireless switch, located on the left side of the laptop.
2. Slide the switch into "On" position to enable wireless communication.
Enable / Disable with Software (via Control Panel)
You can also turn off (disable) or turn on (enable) the wireless card via the Windows Control Panel. These steps will focus on disabling the wireless card. See the "NOTE" for enabling the card again.
Click Start and choose Control Panel. Click the Network and Sharing Center icon.
On the left side, click the Change adapter settings link.
Right Click on the Wireless Network Connection icon.
If you see an Enable choice, the Wi-Fi is already disabled. You're good to go. Close the Network Connections window.If you see a Disable choice, select it. This will disable the wireless card. Close the Network Connections window.NOTE: When you need access to the wireless card, you can repeat Steps 1 and 2 to view the Wireless Network Connectionicon. Enable the card by Right Clicking and choosing Enable.