In using my Poulan chainsaw, I let the chain get loose and come off the bar.?
I put the chain back on but I cannot get the chain to turn. I tried loosening the tension, that did not work. The wheel turns without the chain. What should I try next.
Thanks.

take it too a repair shop ,duh
Go buy a real chainsaw!
is your brake bar locked up.
When it flew off the bar you damaged the rakers. you need a new chain. You can try to file the burrs off if your in a jam but it's a pain in the ass.
Repeat steps 1 and 2 and then take it to a repair shop.
You say the wheel turns without the chain. If you mean the wheel at the outer end of the bar that's good. Now check the "sprocket" drive wheel at the chainsaw body itself. Make sure your chain is "seated" good in the grooves, tighten the chain just snug and see if the chain can be moved by hand. With gloves on of course. Just the chain getting loose and coming off should not have done any damage to the saw.
make sure you get the chain on the sprocket and it does not slip off when you tighten up,, check the bar ,, you may have dented or bent it so the chain no longer slides along it easily!!
when the chain came off it made some nicks on the drivers. Happened to me yesterday. you can either file off the nicks or just put the chain on real loose at first and run it alittle. should loosten right up and the you can tighten it right. you didn't trip the safety bar did you? then take it back to the guy you bought it from and get a Husqavarna.
when the chain came off,it may have bent one of the teeth on the bar…take the bar and chain back off and see if the clutch will turn.If the clutch is warped,buy a new one
I'm not sure which wheel you are referring to but I assume it is the one at the tip of the bar. The important one is the one on the side of the saw. This should spin freely unless the hand guard is pushed forward. The hand guard is designed to stop the chain from spinning in the event that the saw kicks back at you. It easily gets pushed forward while maintaining the machine. This causes the centrifugal clutch to become locked. The clutch uses centrifugal force to turn the chain that is why at idle the chain doesn't turn as the RPM increases on the saw the weights inside the round part with the sprocket that you can see push out and engage the chain. Oh and if you have your chain too tight it may make it more difficult for the engine to turn it. the best thing to do if it still won't turn after checking those two things is to remove the bar and chain and see if the sprocket will turn. If it will the problem is in the chain or bar itself if not then you may have a problem with your saw and should try to have someone at a shop look at it. Ask them to teach you about safety when you are there.
Good luck and be safe.
You guys are mean!! Your answers are stupid. If you don’t know how to help the person or don’t want to, you shouldn’t post here. It just makes you look stupid