Let's see whaqt ipconfig says:
Click on Start then Run and paste the following into the Run box, exactly as shown, including double quotes:
cmd /c "ipconfig /all > postme.txt & ping yahoo.com >> postme.txt & notepad postme.txt & del postme.txt"
and press ENTER.
A file will open in Notepad. Please copy and paste the contents here. Close the Notepad window and the file will be deleted and the Command Prompt window will also close.