The first thing you can do is take a shim and put it in the hole.
Patch a wall without studs witha piece of sheet rock.
To use the patch just clean the wall surface and sand it to give the surface a little tooth then stick the patch over the hole and cover it with two or three thin layers of joint compound.
Immediately apply a thin layer of compound on top of the tape.
Place the patch over the hole and pencil its outline on the damaged wall.
Hold the support in place and secure it with drywall screws without driving the screws through the drywall.
Make a pilot hole on the wall where the anchor will go.
You can cut entire lengths of drywall easily even without setting the sheets flat on the floor.
Screw these supports vertically behind the opening to keep the patch from cracking.
I have patched several holes in drywall with no studs.
Draw an x on the wall above the hole and an arrow on the patch that points at the x so you ll know how to orient the patch in step 6.
Allow to dry as you work your way through this how to patch drywall project.
It can be tricky since shims are so thin.
Measure the hole then cut a scrap piece of drywall that is slightly larger than the hole s diameter.
In most cases tapping a small hole into the wall with a no.
Not only that drywall is wobbly and hard to manage.
I then cut a piece of new drywall and screw that into the shim.
You can speed up the process by using setting type compound for the first coat.
Find a scrap of drywall that s the same thickness as the damaged drywall and cut out a square cornered patch big enough to cover the hole.
Cut two pieces of 2x4 slightly larger than the hole.
3 finishing nail and a hammer will do the job.
While holding it try to get a screw through the existing drywall on both sides to hold the shim in place.
Use a drywall or reciprocating saw to cut out the area within the traced lines image 3.
Cut a 1 x 3 inch piece of scrap lumber or 3 4 inch piece of plywood approximately 2 to 4 inches longer than the height of the patch.
Cutting large sheets 4 x 8 of drywall can be a hassle.
Lay a 1 8 in thick bed of patch drywall compound over the joints and press paper tape into the compound with a flexible 6 in.
The pilot hole ensures that the anchor starts its path into the wall smoothly and hits the location you want to mount it at precisely.
Place drywall piece over the damaged area image 1 and trace around it with a pencil image 2.