That s because modern door hardware uses a hidden mechanism called a detent to fasten the doorknob that can only be released using a small screwdriver tip or the end of a paper clip depending on your style of hardware.
Tighten lever style door handle.
Keep the handle in place and replace the set screw on the bottom of the lever.
A lever door handle is used in place of a traditional doorknob on many modern locksets.
This type is found commonly on lever style door handles.
These handles are available in a variety of styles and finishes to complement different decorating styles.
After the lever has been detached remove the decorative trim ring that covers the backing plate of the doorknob using a flat blade screw driver.
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Make sure it s the trim ring you are removing and not the backing plate.
On curved handles that attach directly to the door the screws may be found in the top and bottom of the handle itself if there is no surrounding plate.
Tighten this with the screwdriver.
Remove the screw and slip the lever handle off the rod.
Use an allen key to loosen the set screw on the side and remove the door handle use a flat head screwdriver to carefully remove the cover plate which will expose the two phillips screws take a phillips screwdriver to tighten the screw on each side this will secure the handle.
Go slowly with this so you won t end up stripping the screw head.
Press down on the lever to reset the lock assembly.
Determine whether you will need an allen wrench or a screwdriver based on the style of set screw which you will find on the bottom of the door lever.
To depress the detent use the end of a metal paper clip or the point of an awl inserting it into the hole and pressing the detent down while twisting and removing the door handle shaft off the spindle.
It s pretty easy to fix a loose door lever handle.
Step 2 inspect the rod s surface and locate the groove where the set screw needs to be secured.
Tighten the screws or slotted bolts in the faceplate at the top and bottom of the handle on the front door.
Most homeowners will find that these devices are easy to remove if they are broken or damaged or if they simply want to replace it with a new style.