Troubleshooting
Every guitar has days when it feels a little off. Something is not quite right — maybe the strings feel stiff, the tone sounds dull, or a buzz starts showing up where it never used to. The tricky part is that old strings and setup issues can look similar at first. A calm triage process usually tells you what needs attention first.
Before touching any screws or adjusting anything, start with the strings themselves. Old strings are the easiest problem to rule out, and they are also the cheapest to fix. If they are corroded, dull, or rough under your fingers, they may be the whole issue.
Run your finger lightly along the strings you play most often. If they feel gritty, dark, or uneven, that is a strong sign they have aged out. If they sound dull even when played open, they may have simply lost the brightness and stability that new strings provide.
Not sure how to change strings properly? The assistant walks you through it step by step.
Open the String Change Assistant →If the guitar has not had a fresh set in a while, new strings should always be your first move. Strings naturally stretch, corrode, and lose responsiveness over time, and that can make a guitar feel harder to play than it really is. Replacing them often restores clarity, tuning stability, and feel all at once.
After changing strings, tune the guitar properly and give it a little time to settle. Sometimes the guitar only seemed off because the old strings were hiding the real baseline. If the problem disappears after a new set, you have saved yourself from unnecessary adjustment work.
New strings can mask a setup issue for a while — or reveal one. If the guitar feels noticeably better after a string change but still is not quite right, that is a strong signal that a setup check is the next step.
If fresh strings do not solve the issue, the guitar may need a mechanical setup. That does not mean anything is broken. It usually means the neck, nut, or bridge has drifted away from the sweet spot where the guitar plays best.
Look for symptoms that happen in specific areas of the neck. The location of the problem is usually the biggest clue.
Not sure where to start? The Setup Assistant walks you through every step in the right order.
Start the Setup Assistant →Buzz that happens only in certain parts of the neck is more useful than buzz everywhere. If the first few frets buzz, the neck may have too little relief or the nut may be too low. If the upper frets buzz, the bridge height or overall action may be involved.
This is where a neck relief check becomes especially useful. If the guitar is buzzing in the lower positions or feels oddly tight, the truss rod may need a small adjustment before you touch anything else.
Check your neck relief in about two minutes.
Check Neck Relief →If open chords feel unusually hard to fret, especially near the first few frets, the nut may be too high. That can make a guitar feel stiff even when the strings are new and the rest of the setup seems fine. It is one of those problems that often gets mistaken for bad strings.
This is also where beginners waste the most time. They assume the guitar just plays badly, when in reality the first-position feel is the clue. A proper nut check can make the guitar feel easier almost instantly.
Check your nut height before reaching for a file.
Use the Nut Slot Helper →If the guitar sounds in tune on open strings but goes sour as you move up the neck, intonation may be the issue. That means the bridge saddles are not positioned correctly for the string length. It is a common problem, and it has a very specific fix.
This is why tuning and intonation are not the same thing. A guitar can be perfectly tuned and still play out of tune higher on the fretboard. The Intonator tells you exactly which way to move the saddles instead of making you guess.
Compare your open string to the 12th fret and see exactly what needs adjusting.
Open the Intonator →The best workflow is simple: change the strings first, let them settle, then reassess the guitar. If the problem remains, move into setup triage. That sequence keeps you from adjusting the wrong thing based on bad data.
Replace old strings.
Tune to pitch and let the guitar settle.
Check for buzz, stiffness, or tuning drift.
Check neck relief if the buzz or feel points that way.
Use the right diagnostic guide for the symptom you are actually seeing.
That order protects both your time and your instrument. It also makes the whole process feel much less mysterious.
If the guitar still feels off after new strings, do not guess. Use the right tool for the symptom you are actually seeing — each one routes you to a specific fix instead of a vague starting point.
Not sure which symptom fits? Start here and the assistant will point you in the right direction.
Start with the Right Fix →