Thanks for the help, I figured it out.
I needed to do Windows 7 driver install. This is what I did.
Plugged board into USB.
Clicked Windows Start button/Control Panel/System and Security, then
Clicked System/Device Manager.
Arduino was in the list as a device with a yellow exclamation mark.
Right clicked on the Arduino Uno and choose “Update Driver Software.”
Browsed to find the driver file where the unzipped downloaded files were.
Clicked OK and Windows installed drivers.
When it was completed it showed it was using Com4.
Opening IDE and under Tools/Serial Port I selected Com4.
Uploaded code to board with no errors
It works fine now and computer beeps when plugging in and unplugging board.