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Buzzing noise

gamabe_cz
By gamabe_cz
in Displays
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My friend today bought new monitor from samsung. It's Samsung C27F390F. The monitor emits buzzing noise. Monitor have two inputs, VGA and HDMI. The noise is only emited when connected via HDMI, we tried different cables, but that didn't help. Noise is more intense, as we turn brightness up. When using VGA noise is gone, even on max brightness. Any suggestions?

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Some component in the monitor (Whatever handles Hdmi input) has a part that makes that noise... not much you can do about it.... Use VGA? If it bothers you return it and request a new one it may be a defect.

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I am a human that makes mistakes! If I'm wrong please correct me and tell me where I made the mistake. I try my best to be helpful.

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<Lepow Portable Monitor + AOC 144hz 1080p monitor> 

<Keymove Snowfox 61m>

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17 minutes ago, gamabe_cz said:

My friend today bought new monitor from samsung. It's Samsung C27F390F. The monitor emits buzzing noise. Monitor have two inputs, VGA and HDMI. The noise is only emited when connected via HDMI, we tried different cables, but that didn't help. Noise is more intense, as we turn brightness up. When using VGA noise is gone, even on max brightness. Any suggestions?

You should RMA this monitor, it should not do that. 

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8 minutes ago, SignatureSigner said:

Some component in the monitor (Whatever handles Hdmi input) has a part that makes that noise... not much you can do about it.... Use VGA? If it bothers you return it and request a new one it may be a defect.

But why it change pitch with different brightness levels. That makes no sense to me. At minimum brightness, it cant be heard

 

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Just now, SGT-AMD said:

Is the noise coming from the monitor, or the power supply?

 

Monitor itself

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Just now, gamabe_cz said:

Monitor itself

Whatever handles power in the monitor has a whine when power is put through it. Less power with low brightness more power with more brightness. I would return it. It might not be an issue now but could be later.

| If someones post is helpful or solves your problem please mark it as a solution 🙂 |

I am a human that makes mistakes! If I'm wrong please correct me and tell me where I made the mistake. I try my best to be helpful.

System Specs

<Ryzen 5 3600 3.5-4.2Ghz> <Noctua NH-U12S chromax.Black> <ZOTAC RTX 2070 SUPER 8GB> <16gb 3200Mhz Crucial CL16> <DarkFlash DLM21 Mesh> <650w Corsair RMx 2018 80+ Gold> <Samsung 970 EVO 500gb NVMe> <WD blue 500gb SSD> <MSI MAG b550m Mortar> <5 Noctua P12 case fans>

Peripherals

<Lepow Portable Monitor + AOC 144hz 1080p monitor> 

<Keymove Snowfox 61m>

<Razer Mini>

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1 minute ago, SignatureSigner said:

Whatever handles power in the monitor has a whine when power is put through it. Less power with low brightness more power with more brightness. I would return it. It might not be an issue now but could be later.

But why VGA doesn´t do that?  I´m only curious.

 

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