Hi Michelle,
I have read about your problem and I have solution for your problem. so don't worry, just follow these steps on your computer then it will start working fine.
Step 1- Open the run box and then on the top box please type "devmgmt.msc" command and hit enter.
Step -2 - Now you you will get device management window on your computer. on the top, you will get an option by the name of action. simply click on that and click on scan for hardware changes .
Step 3- Once you will click on that option, please select an option for automatically scan for hardware changes and follow the instructions.
Finally it will start installing your wireless adapter. within few minutes it will give you an option for finish . you need to click on that and restart your computer.
Note - While you are doing this steps make sure you should be connected to the internet via cable.