With a drill you re more likely to over tighten the screw and strip the screw holes or chew up the screwheads.
How to fix a closet door hinge.
Open the door wide and insert a wedge under the bottom outside corner to level it.
Start by removing the hinge from the door and preparing the damaged area photo 1.
Hold the brace along the door edge with the triangular area on the back of the door.
Slam a bifold door too many times and you can split the wood where the top and bottom anchor and pivot pins sit.
Tighten the hinge screws screws magically work themselves loose over the years.
Apply petroleum jelly to the movable portions of the hinge to protect them from the glue.
On the latch side a door is cut at a slight bevel to make it easier to close.
Remove the screws that hold the loose hinge leaf to the door jamb.
Then the door either sags or falls out of the track.
If a door binds open it grasp the knob and lift up to see if a hinge is loose.
Top bracket loosen the set screw on the top bracket and slide the bracket slightly along the track to adjust the space between the top of the doors.
If one is loose remove two or more screws and try driving in longer screws.
Adjusting the position of the door photo 1.
If your door rubs near the top or drags on the floor use a screwdriver not a drill to tighten the screws.
Then retighten the screw close the doors and check the fit.