If you have a chain pulley system, examine the chain control mechanism and make sure the chain hasn’t come off the sprocket wheel. If it has, simply loop it back round and this should solve your problem. If parts are worn, bent or rusted, you will need to replace the tilter mechanism.
The most common reason for slats getting stuck and unable to be lowered or raised is that their cord is trapped in its lock mechanism. To release it, raise the cord until it’s level with the headrail at the top of your blinds, and then gently tug on it. This should release the lock mechanism …
Each bracket should be placed at the height you previously determined and about four to six inches from the side of the window frame. (This will allow you to open the curtains completely.) Check to make sure your pencil marks are level otherwise the entire curtains will be crooked.
