If the string action on a guitar is too high, it can be strenuous to press the strings onto the fretboard, leading to discomfort over time. High string action can be caused by temperature fluctuations, swelling of the soundboard due to moisture, or warping of the fretboard due to tension.

How to Adjust High String Action:

1. Examine the location of the soundhole on your guitar. You will find a hole at the end of the guitar neck. This hole is used to adjust the curvature of the neck, which can in turn adjust the string height.

2. The specific adjustment method is as follows: Hold the guitar in the playing position and insert an Allen key into the hole. Turn the key clockwise. Do not turn it too much at once. You will notice the string height gradually decreasing. Be cautious not to over-adjust; pause to check after each rotation.

3. Before making the adjustment, loosen the strings to prevent them from breaking during the process. After adjusting the string height, use a tuner to restore the guitar to its correct pitch.

What is Guitar Buzzing and How to Adjust It:

Guitar buzzing refers to when the strings are too low and make contact with the frets during play. Guitar buzzing, like high string action, is a common issue with guitars and is essentially the same problem.

The adjustment method for guitar buzzing is the same as for high string action, but in reverse. If adjusting through the soundhole, turn the Allen key counterclockwise. If adjusting through the saddle, remove the saddle and place a thin piece of paper underneath it to achieve the desired string height.