Q: wifi problem macbook pro

Hi Larsen007,

Happy New Year!  The resource below will provide some troubleshooting steps for the issue you are having with Wi-Fi disconnecting.  Click on the link for complete details.  I've highlighted some of the key points for your specific issue.

Wi-Fi: How to troubleshoot Wi-Fi connectivity - Apple Support
http://support.apple.com/en-us/HT202222

Restart your network devices.

• Powering your modem or router off for a few seconds and then on again may resolve network issues without any additional troubleshooting.

Use these steps if your computer disconnects from its Wi-Fi network unexpectedly.

1. Check your range to the Wi-Fi router and reduce the effect of interference.

   If your computer is too far from your Wi-Fi router or your environment has too much Wi-Fi interference, then your computer may not detect the Wi-Fi network properly. The easiest way to check for range limits with your Wi-Fi network is to move your computer or your Wi-Fi router closer together and make sure that there are no obstructions (such as walls, cabinets, and so forth) between the router and your computer.

   See Potential sources of wireless interference for more information about interference and solutions.
   
   

2. Try connecting to a different Wi-Fi network. If your computer works fine when connected to a different Wi-Fi network, then the issue may be related to your network router or ISP. In that case, contact the manufacturer of your router or your ISP.

 

iOS and OS X: Recommended settings for Wi-Fi routers and access points - Apple Support
http://support.apple.com/en-us/HT202068

I hope this information helps ....

- Judy