Driver side door handle broke loose

Close/wind up the window. Remove the inside door panel. Be careful with power window switch and door speaker wiring connectors. Disconnect them before pulling the door panel away. Remove any plastic covers that may be glued to the door. Have a look at the door handle from inside the door. You will have some idea as to how to remove it. Usually door handles are secured by screws from the inside. Locate and remove them. Remove linkages to the door handle then pull handle form outside.

Remove plastic plate behind inside door handle, then remove 10 mm screw ,do the same for the door finger cup, pry out the rubber and remove the 2 10 mm screws. Now you can start prying off your door panel gently as possible so as not to break anything.

Either the handle broke, or the linkage rod came loose. Your only recourse is to remove the inner door trim panel to find the problem with the handle, and fix it.

the linkage behind the handle either the retaining clip broke or popped off need to remove the door panel to check and fix

It most likly broke inside. You will have to remove interior door panel to access all the bolts and rods to replace it.

I assume that the entire handle unit is loose in the body work of the door.
The interior door trim will need to be removed to access the inside of the door to fix the loose handle.

Do not attempt his yourself unless you have some experience in this area.
Take the vehicle to the nearest reputable auto body repair shop and they can easily fix it for you. There could be a breakage on the retaining system on the handle or the retainers may just need tightening.

Typically door handles which have not been subject to damage or abuse will not usually loosen like this. It's possible the door was damaged and the panel repaired and repainted at some stage. If so the door handle may have been removed and refitted in a sloppy manner.

That is not true.
The handle fell off on the inside. You can remove all the screws, remove window and lock controls. Then take a large flat-tipped screwdriver gently pry off door panel. Pull up and off when loose. You will now have access to inside off door and put the rod back in the handle hole. If the plastic holder piece is broke you will need another one. Cheap.

there is a pin in the door handle might have broke off there are two 10 mm nuts that will release the handle but you have to take the door panels off and remove it any local junk yard should have it or can order it for you

you can do this. you have to remove inside trim panel for access. if you still need to do, I will send you repair steps. let me know

You'll need to remove screws that are by the door handle, arm rest, under door and side of door and then gently pull back on the panel as there will also be retaining clips attached and you don't want to break them. If needed, you can pull back the weather seal (can't reuse it, but it's not that important) and you will be able to access everything inside the door