Hi murphgal,
I recommend wireless drivers update for the computer.
- Visit the following website: http://dell.to/17F08dH
- Enter the Service tag of the computer in the box provided and click “Submit”.
- In the next page, click drop down arrow to select the Operating System which is installed in the computer.
- Under category Network, select the wireless network drivers accordingly and click “Download File” and save the file on desktop.
- Run the downloaded file and restart the system.
- Try connecting to the wireless network.
Please check the connection and post the results.