Go to your Windows desktop. Right-click the background and select Properties.. Click the Settings tab and look for the Screen Resolution section. Drag the bar all the way to the right or left and click Apply to see if that resolves your screen size issue. If not, you will need to used the advanced settings. Click the Advanced button and select the Monitor tab.
The first episode, Sisters, starring Emila Fox as the Queen and Katie McGrath as Princess Margaret, will be broadcast on November 29 and portrays the events leading up to the Princess' announcement that she would not marry Townsend.
The newly-wed Princess Margaret, the younger sister of Britain's Queen Elizabeth II, and her husband, the photographer Antony Armstrong-Jones wave from Buckingham Palace in London on their wedding day on 6 May 1960 AFP/Getty Images