this post was submitted on 07 Jul 2024
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Just got a high refresh rate monitor (PG248QP) and it makes a high pitched noise when I set it to 500hz. Anyone else have this problem with this or other high refresh rate monitors?

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[–] [email protected] 9 points 1 month ago (1 children)

A bad capacitor is the most likely culprit.

Send it back to the manufacturer for warranty, would not recommend replacing the capacitor yourself if you don't know what you are doing.

[–] [email protected] 3 points 1 month ago

Yea I haven't found a review mention this noise. Going to get a replacement.

[–] [email protected] 4 points 1 month ago (1 children)

might be a faulty psu or something.
better get it replaced.

i never had a >60hz monitor, so talk that with a grain of salt. but this doesn't sound (badum, tss...) right. better get in touch with the seller rather sooner than later.

[–] [email protected] 1 points 1 month ago (1 children)

It's the monitor making the noise.

[–] [email protected] 2 points 1 month ago

Monitors also have power supplies, onboard for the higher end ones and outboard ones for the cheaper units.

[–] [email protected] 1 points 1 month ago (1 children)

Could it be a cooling fan inside the panel? My lg oled monitor has one. Maybe it runs higher when the monitor is set to higher hz since maybe that geberates more heat? Just a guess

[–] [email protected] 1 points 1 month ago

The fan makes a noise too but it's bearable. I have an older monitor (PG27UQ) that has a terrible fan noise at times.

[–] [email protected] 1 points 1 month ago* (last edited 1 month ago) (1 children)

Yes. Turning down the refresh rate from 165 to 144 greatly reduced it.

I thought it was because the display was factory overclocked and was meant to run at 144 in the first place

[–] [email protected] 1 points 1 month ago (1 children)

You mean the overclock was set in the OSD when you bought it?

[–] [email protected] 1 points 1 month ago

It wasn't set but it showed up as available when setting a frequency from the os. I just assumed it was an overclock since it uniquely made a noticeable noise and iirc the monitor was listed as 144hz when it was first listed pre launch