Ovulation help!!

Elizabeth
DAY 1 of trying ovulation test I got a blank circle 
DAY 2 I got a flashing smiley 
DAY 3 I got a solid smiley 
DAY 4 I got a blank circle 
DAY 5 I got a solid smiley !!!
Please help me ladies ! What is going on?? Google is telling me everything such as I could be pregnant I could be ovulating a second time. 
WHAT IS GOING ON!!