Hi Linda, I'm assuming that the laminnate counter top is lifting? If so, this video may help you.....I sure hope so!
Is it laminate?
Here's another helpful guide on this topic: https://homeguides.sfgate.com/repair-lifted-laminate-countertop-29150.html
is it laminte? If it is use hot iron to press back on
What type of countertops do you have? Laminate?
Hello could you possibly post a photograph to better see your situation and area of concern?
Having a visual might be helpful to be able to offer the best guidance .....to a help find the best suggestions or potential solution for your problem.