Please choose the correct ending to complete the given sentence: Home and Garden: [header] How to adjust door hinges [title] Examine the top corner of your door to see if it's catching on the frame. [step] Over time, the hinges on a door can loosen and cause the door to sag downward. When this happens, the top corner of the door catches on the door frame and prevents the door from closing properly.

Ending1: [substeps] Your door door hinge may actually have an electrical component that does not fully tighten. It may be held in place by extra reinforcement, such as screw heads and screws, and may not catch on with any force or assistance. Ending2: If the top corner of your door is catching on the frame, you'll need to adjust the hinges. [substeps] Another way you can tell if your door is hanging downward is by looking at the gap between the top of the door and the frame. Ending3: [substeps] Look at the screws connecting the door hinges to the frame. Screwdrivers are usually rounded and shorter than screws. Ending4: [substeps] Check the screws holding the door down to the frame. Make sure that the screw is to the right.

Answer format: ending1/ending2/ending3/ending4