Why You Can't Play Barre Chords: 10 Common Mistakes

Finger position mistakes

The first group of causes is exactly where and how the index finger sits:

• The finger lies on its flat pad instead of its bony side edge - the most common cause of several strings buzzing at once.
• The finger sits too far from the fret instead of right up against it.
• The finger sags in the middle between strings because of a natural knuckle dip - a slight roll of the finger helps.

Hand position mistakes

The second group is the thumb and overall hand position:

• The thumb presses directly opposite the index finger and clamps the whole hand, instead of sitting a bit lower.
• The elbow is pinned against the guitar's body, which doesn't let the hand find the right angle.
• The wrist is bent too far inward - that doesn't add strength, only tension.

Training mistakes

The third group isn't the technique itself, but how it's being drilled:

• Jumping straight to a full strumming pattern with the barre, instead of checking cleanliness one string at a time.
• Holding the barre pressed constantly, with no split-second rest for the hand between strums.
• Only drilling the barre on high frets, where the string is physically slacker, and never checking on low ones.
• Judging barre progress by a calendar deadline - timelines vary widely, so track lower effort, cleaner individual strings, and the absence of pain instead.

How to find your specific mistake

Fret the barre and check it one string at a time as a slow arpeggio, listening for exactly which one goes dead. If it's one or two specific strings under the index finger, look for the cause in finger position; if the whole chord sounds weak and the hand tires fast, it's more likely the thumb and hand position, not the barre finger itself.