mendr.techGuides
General Repairs

How to Fix a Key That Won't Turn in a Lock

Quick Answer

Lubricate the lock, check the key, and adjust the door alignment.

How to troubleshoot a Key That Won't Turn in a Lock

A key that won't turn in a lock is frustrating. This guide covers diagnosing and fixing the issue.

Step-by-Step Fix

  1. Apply graphite powder to the keyhole.
  2. Check the key is not bent or worn.
  3. Try the key gently - do not force it.
  4. Check the door alignment.
  5. If the lock is faulty, replace it.

Common Error Codes

CodeMeaningResolution
Key won't turnFaulty lock or keyReplace the lock or key.
Key breaksKey wornGet a new key cut.

Frequently Asked Questions

Why won't my key turn in the lock?

A dry lock, worn key, or misaligned door.

Can I fix a lock myself?

Yes, with lubrication and adjustment.