Hi TexasChick,
I am Sumit here to assist you with this question.
Make sure the both the devices are connected with the same network. Sometimes if a device is connected with 5Ghz and other with 2.4Ghz, it might give a problem.
In the TV as well, try reconfiguring the network again.
In the PC,
Please see the Display driver troubleshooting below:
Option 1: Try Rolling back the Display driver.
Right-click the Start button and select Device Manager.
Navigate to Display devices and expand it. Right-click the Display adapter.
Choose Properties.
On the Driver tab, click the Rollback Driver button to go back to the previous version.
Option 2. Remove drivers completely and Install the newest ones available from the OEM or the maker.
What you need to do:
- Uninstall everything of Display driver using DDU
http://www.guru3d.com/files-details/display-dri...
- Reboot.
- Make sure your device manager shows Microsoft Basic Display adapter.
- Run Windows updates and install the latest Display driver.
- Wait for the process to complete.
Disclaimer:
Guru3d.com is a non-Microsoft website that would provide accurate and safe information. Watch out for ads on the site which are frequently classified as a PUP (Potentially Unwanted Products). There is no need to buy paid products to fix your computers as they do more harm than good sometimes.