Checking your chords: what's buzzing and why
Five chords in your hands now: Em, Am, G, C, and D. That's already more than plenty of songs ask for. But if you've been strumming any of them this week, you've probably noticed something's off. A string buzzes. A note won't ring. Something sounds muffled, like there's a pillow on the strings.
Good. That means you're listening. Today we'll figure out what's actually going wrong when a chord sounds bad, because "that sounds wrong" isn't much to work with on its own. You need to know which string, and why.
The four usual suspects
When a chord sounds bad, it's almost always one of these:
1. A finger's too close to the fret, not behind it. If your finger sits right on top of the metal fret wire instead of just behind it, you get a buzz or a dead thud. Move it back a hair. This is the single most common issue I see, week after week, and it's a five-second fix once you know to look for it.
2. A finger's not pressing hard enough. You'll hear this as a weak, thin, half-there note. Press harder, right behind the fret. Your fingertip should feel it. That soreness you've built up is doing something.
3. A different finger is leaning into a string it shouldn't touch. This one's sneaky. You go to play G, the high string suddenly sounds dead, but the finger meant to be on that string is fine. Check your other fingers. Somebody's knuckle or fingertip is probably resting against a string it has no business touching. Guitar necks are narrow and fingers are round, so they bump into things.
4. You're strumming a string you shouldn't be. For some chords, certain strings aren't part of the chord at all, and you need to skip or mute them. This is where a chord diagram earns its keep. Go back and actually look at which strings have an X at the top. That X means don't play it, either by skipping it with your strumming hand or muting it with a finger already fretting nearby.
How to check this at home
Don't just strum the whole chord and squint at the sound. Break it apart.
Fret the chord as normal. Then pick each string one at a time, slowly, from the lowest string up to the highest. Listen to each one on its own. If a string sounds bad, stop right there and diagnose it with the four suspects above before moving to the next string.
This is slower than strumming, and that's the point. You're isolating the problem instead of guessing at it.
Once every individual string sounds clean, strum the whole chord. If it still sounds off, something shifted between your one-string check and the full strum, usually a finger moving or your hand tensing up. Go back to checking string by string.
Why the tedious part is the part that works
Let me say this plainly: string-by-string checking is boring. It is not exciting. Nobody signs up for guitar dreaming about isolating individual notes in a G chord for the fortieth time.
But this is the stuff that actually sticks. I bought one of those beginner method books years ago, back when I was teaching myself off Kevin's old dreadnought, and I tore through the whole thing in about ten days. Felt great. Then I hit a wall for months, because the book had skipped straight past exactly this kind of foundational, unglamorous work. It handed me chord shapes and songs without ever making me check whether I was playing them clean. I didn't know what I didn't know, and I had no tools to fix things when they went wrong, because nobody taught me to slow down and listen string by string.
So when I tell you this feels tedious, I mean it, and I'm still telling you to do it anyway. Apps and books that promise a real song by Friday are usually skipping this exact step. You'll rush through the song, it'll sound bad, you won't know why, and that's the moment people quit. Don't let that be you.
A note on your hands
If a string keeps buzzing no matter what you try, check whether your fingernails are getting a little long on your fretting hand. Even a small amount of nail can keep your fingertip from pressing straight down, and it'll feel like you're doing everything right for nothing. Ten seconds with a nail clipper solves problems that feel like they should take a whole lesson to fix.
And don't grind through pain chasing a clean sound. Sore fingertips from pressing are normal, part of building calluses. Sharp pain, especially in a joint, means back off and try again later. That's a different problem, and pushing through it builds nothing useful.
Before next time
Pick one chord you're still fighting with and run the string-by-string check on it every day this week, slow, before you do anything else. Don't try to fix all five chords at once. One chord, clean, beats five chords, muddy.