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You need to hit the “Fn” button on the bottom left of the keyboard first, and while holding the “Fn” button, just hit the “F2” button and whalla – your wireless card will be turned on (enabled). You’ll notice, if you have a Dell Inspiron laptop, that if you look at the F2 key you’ll see the wifi icon on the top of the key. But that didn’t help me at all because again, the wireless card was turned off so nothing was showing.įinally, I figured out there is a keyboard shortcut to turning on (enabling) the wifi wireless card on the Dell Inspiron. So I saw the wifi icon on the bottom right hand corner with a red “X” on it I kept clicking on and opening up the network and sharing center. But having the computer or laptop I’m working on actually online helps a lot. I was working on a Dell Inspiron laptop today and I had to get online in order to download my latest and greatest tools I use to scan for viruses, etc… Actually, I didn’t absolutely “NEED” to get online via wifi, I could just use my jump drive. Keep in mind that many other keyboard models use very similar combinations, including desktop PCs.Turning on and enabling the wireless (wifi) card on the Dell Inspiron laptop can be a bit elusive if you’ve never done it before. Some of the more useful Fn key combinations for a variety of Dell modeled laptops that we use as loaners are listed below. The keys that work in conjunction with the Fn key will usually have a blue symbol or blue word displayed (the Dell laptop model symbols are white). It is a modifier key that is used on most laptop models to activate secondary or special functions of other keys. The reason for this is because the Fn key works in a specific way. Some of you may think this key does nothing. Between the ctrl and Windows key on the lower left-hand corner of your laptop keyboard resides the function (Fn) key. To Turn On / Turn Off or To Fix Backlit Keyboard on Dell Laptops Try these methods:Method 1: First of all, locate the key with the keyboard illumination ic.