You’ve just unboxed your glorious new 144Hz+ monitor. The dream of buttery-smooth gameplay is real... until you hear it. A faint, high-pitched buzz in a quiet room. Is your new screen a dud? When it comes to high refresh rate monitor noise in South Africa, it’s a common worry. Before you panic-pack it for a return, let's break down what that sound is, what’s normal, and what you can do about it.

What Causes That Monitor Buzzing Sound?

That quiet hum or whine you're hearing is almost always "coil whine." It’s not a fault, but an audible side-effect of electricity passing through the monitor's internal power components, like capacitors and inductors. As they work, they can vibrate at a frequency high enough for the human ear to detect.

Why now? Higher refresh rates mean these components are working much harder, cycling power more rapidly than on an old 60Hz screen. This electronic noise is a known characteristic in many of today's advanced gaming monitors. The real question isn't if there's noise, but how much is acceptable.

Distinguishing Normal Hum from a Defect

A faint electronic hum that you can only hear by putting your ear right against the back of the monitor is usually normal. However, high refresh rate monitor noise becomes a genuine problem when it’s intrusive. Ask yourself these questions:

  • Can I hear it over my PC’s case fans when they're idle?
  • Is the buzzing audible from my normal seating position? 🎧
  • Does the pitch change annoyingly when I move a bright window across a dark background?

If you answered "yes" to these, especially on premium high-resolution 4K and 5K monitors where build quality expectations are higher, it might be more than just standard operational noise.

How to Reduce or Fix Monitor Noise 🔧

Before you assume the worst, there are a few simple things you can try to minimise or eliminate that distracting screen whine.

1. Tweak Display Settings

Sometimes, running at maximum brightness or with a completely uncapped frame rate pushes the power components harder. Try lowering the brightness by 10-15% or using an in-game or driver-level frame rate cap set just below your monitor's max (e.g., 140 FPS on a 144Hz screen).

2. Check Your Power Source

Electrical interference can be a culprit. Try plugging your monitor directly into a different wall socket, bypassing any extension cords or multi-plugs. This applies to all screen types, from large, immersive curved monitors to compact portable monitors that draw power over USB-C.

TIP

Cable is King ⚡

For high refresh rates (144Hz+) at resolutions above 1080p, always use a VESA-certified DisplayPort 1.4 cable. It ensures you have the necessary bandwidth for features like G-Sync or FreeSync to run flawlessly and can sometimes reduce electronic signal noise compared to older or uncertified cables.

The Bottom Line on Screen Whine

Ultimately, a tiny bit of high refresh rate monitor noise can be part of the package with high-performance tech. But it should never, ever detract from your gaming or work. If you've tried the fixes above and the sound is still driving you mad, you might have a unit with particularly noticeable coil whine.

That’s where buying from a trusted local retailer makes all the difference. When you browse a wide variety of PC monitors, you're also shopping for peace of mind and solid warranty support. ✨ A distracting buzz could be considered a defect, and a good warranty is your best tool.

Ready for a Flawlessly Smooth & Silent Experience? A little hum might be normal, but you shouldn't have to compromise on your gaming immersion. If you're tired of distracting noise, it might be time for an upgrade backed by a great warranty. Check out our best PC monitor deals and find the perfect silent partner for your rig.