As my six-year-old house has settled in, a few nails have popped out of the wall between drywall and wooden studs throughout seasons of the wood swelling and contracting. The easy way to remedy this situation is to drive in a drywall screw near the nail pop to keep the drywall paper in place and drive the nail into the stud, dimple the surface of the drywall around the nail by tapping it with the handle of a putty knife, and fill in both the dimple and the head of the new screw with drywall filler.
The weblog of home improvement magazine The Family Handyman shares this with eight other tips on how to prepare interior walls for painting. Make sure to check out the source link below if you're planning on this activity in the near future.
How to Paint Walls; Prepare Interior Walls for Painting | The Family Handyman