Monitor dims automatically based on what content is displayed

[Likeusb]

As the title implies, the monitor dims automatically if the content shown is dark and returns to normal once bright.

It's an immense pain to deal with this when I'm watching a movie, the scene is at night, and suddenly the screen goes so black that all I see is silhouettes. I've tried searching for a way to disable it forever, still haven't found any. Might be in some way linked to NVIDIA because I remember it being fixed, then I installed NVIDIA drivers and the issue reappeared immediately after.

Drivers are all up to date.

Specs:

- RTX 3060 12G

- i3-12100F on an MSI B660M-A Pro (BIOS date 2023-09-14, a few versions behind https://www.msi.com/Motherboard/PRO-B660M-A-DDR4/support)

- 2x16 3200mhz DDR4

- RM850x

 

Monitor affected:

LG IPS LED 23MP48HQ-P

Running Windows 11 Pro, no updates behind

[Eigenvektor]

Check the monitor's OSD, most likely some form of dynamic contrast, adaptive brightness or movie mode enabled there.

 

https://www.lg.com/us/support/help-library/lg-monitor-how-to-enable-auto-brightness-and-energy-saving--20153183709846

[Likeusb]

6 minutes ago, Eigenvektor said:

Check the monitor's OSD, most likely some form of dynamic contrast, adaptive brightness or movie mode enabled there.

 

https://www.lg.com/us/support/help-library/lg-monitor-how-to-enable-auto-brightness-and-energy-saving--20153183709846

Doesn't seem to be anything in the monitor settings for me

[Hinjima]

7 minutes ago, Likeusb said:

Doesn't seem to be anything in the monitor settings for me

This is from your monitors manual. Try setting Smart Energy Saving to off.

[Likeusb]

10 minutes ago, Hinjima said:

This is from your monitors manual. Try setting Smart Energy Saving to off.

Yep, that was it. Apparently I should start consulting manuals more often, thanks for the help!

[Hinjima]

38 minutes ago, Likeusb said:

Yep, that was it. Apparently I should start consulting manuals more often, thanks for the help!

Excellent!   Glad it worked.  I had to do the same with my own 3 LG monitors.