Using hairdryer and power goes out. I figured I blew a fuse so I toggled all breakers but it didn't help. Still no power in that section of the house?

Check your bathroom or any bathroom for a GFCI receptacle. More than likely the first GFCI receptacle needs to be reset.

Also check the breaker to see if it needs to be reset.

Check the plug on your hair dryer some have a reset button on them.
Try a light or electric device you know that works and test the
Outlet. Also check if circuit has gfci outlet on it. The gfci could
Be in another room usually a bathroom or kitchen.