Your Comment:Type your original comment here. Please don't copy & paste answers from other sites.
You must verify your email address before we can post your
comment. If you are a ThriftyFun user you will be prompted to
login. Or, use your Facebook account to login. We will not send
you spam or use your email for any other purpose.
I suspect the material you covered the chairs with is preventing the screws from being screwed into the screw holes. I would enlarge the hole in the material you covered the chair backs with and I think the screws would be able to be reattached.