Remove the broken sliding glass door lock from the door by removing the screws that attach it to the door.
How to fix a glass door lock.
Within seconds your lock should feel like new.
Insert the graphite pen into the lock and squeeze some lubricating substance into the latch to dislodge anything inside.
Install the locking.
In either case these problems can be simply amended using a graphite pen from any hardware store.
In this case you may have difficulty inserting or removing the key.
The wheels on the glass sliding patio door have an adjustment screw at the bot.
Unfortunately with these types it is fairly common for debris to get inside and jam the mechanism.
Remove the new door lock from its packaging and become familiar with all of the parts and pieces.
How to fix a sliding glass door lock step 1.