Suddenly can't connect to the internet only on the laptop?

This happened last night after I uninstalled a few programmes I never use. My router and ISP is fine because the rest of my family can connect to the internet so it's obviously something to do with my laptop. It can't detect any other networks as well as my own router so it looks as if my laptop's been set to a wired network as opposed to a wireless network. Anyone know any solutions for this?

I've already asked this question but just wanted to specify that I'm using windows 7, my ISP is BT and the laptop i'm using is a Sony VAIO. I can't add in details into my previous question since i'm on my iPhone.

You need to uninstall your BT broadband and then re-install it.

This guy above clearly shouldn't be here.

It sounds like your laptop; as you said has been set to ethernet (wired) adapter.
If you're using windows 7. You can do this
1) Right click on the location of where your Wi-Fi bar would be
2) Click "Open networking and sharing center"
3) On the left bar should be the options: Control panel home, Change adapter settings, Change advanced settings"
4) Click on the "Change adapter settings"
5)Check if your Wi-Fi card has been disabled… It should say something like "Disabled,"
6) If so, on the menu it should say "Enable this device"
Voila, internet should be restored.