How to remove blue line grid over PDF text in Adobe?

[#1]

I was working on my Adobe and I pressed something like control + x or maybe a or maybe y and suddenly a small blue lines have appeared as a grid over my text. I turned off Adobe and turned it on again opening a new PDF file and the small blue line grid remains in other Adobe PDFs. What should I do? (Note I am using a MacBook Pro)

[#2]

I was working on my Adobe and I pressed something like control + x or maybe a or maybe y and suddenly a small blue lines have appeared as a grid over my text. I turned off Adobe and turned it on again opening a new PDF file and the small blue line grid remains in other Adobe PDFs. What should I do? (Note I am using a MacBook Pro)

[#3 · Accepted solution]

Ctrl+U ...

On Tue, Sep 23, 2014 at 11:40 PM, weird blue lines in pdf <

[#4]

Awesome! Looks great! Thank you!

[#5]

It worked! I don't even know how I got the blue grid lines.

Thank you.

[#6]

You probably pressed Ctrl+U by accident...

[#7]

Ha.

I have been looking for this answer for a WEEK.

Thanks - so simple. I must have hit the ctrl+u by accident as well.

[#8]

Ctrl + U works...SPOT ON!!! 

Thank You!!!

[#9]

Thank ou that seemed to work!