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By chris7ben
The sound and picture are out of sync when screen mirroring from my iPhone 16 Pro to my LGQNED70A6A TV, using the internal speaker. I have tried all the recommended tips in the settings to cure the issue with no success. However, when I isolate the TV from the mains supply for 60 seconds and restart it, the syncing issue is cured but degrades after a day or so. My iPhone software is up to date and there is no firmware upgrade available for the TV. My LinkSys router has a full fibre connection. The only connection into the TV is the mains supply. Any help much appreciated. Thanks in advance.
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By Stylianos
i am having an issue with my LG OLED77C2 tv that started happening (i believe) once i have updated from web24 to 25. It seems like whenever the tv is displaying a source from any of my four HDMI inputs, while i am watching the screen goes black randomly for a few seconds and it loses audio as well during the black screen. Once this happens the audio usually comes back as soon as the image does, however not always. The audio might dissapear completely. In order to fix that i might need to power cycle the tv or unplug the hdmi input out, wait a little and then plug back in. Moreover, sometimes when the black screen flash happens it cripples most of my native apps on the tv. So if i switch to netflix or youtube right after the black screen flash, both apps populate normally all the video/film options in the main menu but when i try to actually play any of the video/films, they dont play and it is throwing an error. These black flashes never happen when i am watching netflix or youtube. Only when using my hdmi inputs. ive changed brand new high quality cables but that did not fix my issue. For the xbox i was already suing an ultra hish speed 2.1 hdmi cable but ive re placed that as well with a brand new one. ive also changed the tvs main board to a brand new and it still happening. Once the dealer changed the board, the tv was behaving normally without the issue. However after a few days i updated the tv to the latest firmware and this started happening. what do i do?
FYI: I tried EVERY SINGLE option to troubleshoot the issue. Disabled VRR, AMD Freesync, ALLM, HDMI Deep Colour, SIMPLINK, I basically set my tv to display video and audio in the most archaic way just to troubleshoot. Still doing it. I am using an xbox series x on input 1 and a mag520 box on input 3. Does it on both sources. Moreover, in case this helps whenever this happens while on the xbox the Dolby vision/HDR logo appears on the top right right after the video comes back once the black screen is over depending on what settings i have the xbox on. Also swapped to different inputs. Still doing it
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By rems1989
Hi everyone,
I’m running into a very inconsistent issue when streaming my Windows 11 PC with apollo (fork of Sunshine) to my LG C4 TV using Moonlight (webOS).
The setup worked perfectly for about 6 months at 2K / 90 FPS with high bitrate.
Around 2–3 weeks ago, the issue started without any clear change on the PC side (possibly after a webOS update).
Symptoms:
• Moonlight on the TV shows “connection unstable” with a black screen
• Behavior is inconsistent and unpredictable :
Sometimes nothing works at all with black screen Sometimes 2K / high bitrate work or not yesterday 2K didn't work but lowest resolution (1280x..) worked • Streaming to my phone works fine, so the host PC and network seem OK
What I’ve tried:
• Clean reinstall of Moonlight on the TV and Apollo/Sunshine on the PC
• H.264 only (no HEVC, no AV1, HDR off for testing)
• All bitrate / FPS / resolution combinations
• Ethernet and Wi-Fi
• Different Windows display modes
• Virtual display disabled
Setup:
• Host PC: Windows 11, NVIDIA GPU (RTX 3070)
• Apollo installed on PC
• LG C4 TV, webOS 10.2.2, sideloaded Moonlight client (1.6.36)
• PC and TV tested on both Ethernet and Wi-Fi (2 gbps internet speed on my computer)
• Streaming to other clients (android phone) seems to work reliably
Feel free to ask me any information needed
Thanks for your help
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By bos2prov
I have a Roku device attached to my LG TV model # 55UQ7570PUJ. As I’m watching something on the Roku and using my Roku remote, every now and then something that I press on that Roku remote brings up the LG ‘Select a menu item’ screenwhere AV Reset is highlighted. Any idea what could be happening here? One clue: after I press the undo button on the LG remote to get rid of that window, I find that the volume is all the way down. Maybe I’m hitting the Roku remote’s Mute button in some weird way and that brings up the ‘Select a menu item’ window?
It’s surprising that something I press on the Roku remote brings up an LG dialog, but that’s what’s happening. Thanks for any help.
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By News Reporter
Strengthening Customer Value Via International Research Collaboration and
Comprehensive Field Testing Across Diverse Climates Over Two Years
SEOUL, Nov. 28, 2025 — LG Electronics (LG) continues to accelerate the development of high-performance heat pump technologies through its Global Heat Pump Consortium, expanding research across diverse climate conditions – from cold-humid regions to extreme heat. With a sharpened focus on efficiency, dependability and field-validated performance, LG is paving the way for the new era of energy-conscious heat pump innovation.
As global demand for cleaner heating intensifies and regions such as Europe phase out fossil-fuel boilers to support decarbonization targets, heat pumps are emerging as a key technology in the transition to more sustainable climate control. However, conventional heat pump often see reduced performance in low temperatures or cold-humid conditions, limiting adoption in some markets. To overcome this challenge and accelerate global deployment, LG is ramping up collaborative research initiatives to develop solutions optimized for diverse climates.
In 2023, LG established the Consortium for Advanced Heat Pump Research (CAHR) in Alaska, joining forces with the University of Alaska Anchorage (UAA) and the University of Alaska Fairbanks (UAF) to undertake R&D for high-efficiency cold-climate heat pump solutions. Since then, LG has expanded this collaborative network – now comprising 12 universities across five countries – and broadened its research into climate-specific heating, ventilation and air conditioning (HVAC) technologies.
These efforts are already yielding measurable results. At AHR Expo 2025 in the United States, LG and research partners from UAA and UAF presented findings based on long-term operational data from joint laboratories in Anchorage and Fairbanks, demonstrating improved low-temperature heating performance and efficiency by reducing thermal resistance in outdoor heat exchangers. The research contributed to the development of LG’s residential cold-climate heat pump, winner of the 2025 AHR Innovation Award in the Sustainable Solutions category.
Further momentum is coming from the European Consortium for Advanced Heat Pump Research (ECAHR), founded in June 2024. The consortium recently completed real-world testing of LG’s R32-based Air-to-Air Heat Pump (AAHP) in Norway. Results showed that energy use and carbon emissions reductions of approximately 60 to 80 percent, compared with an electric heater.1 These significant findings were published in the August and October issues of REHVA Journal,2 a respected publication for HVAC professionals.
To verify product performance in real-life environments, LG is conducting extensive field testing across seven global locations worldwide – including the United States, China, Norway and Saudi Arabia – spanning LG’s air-to-water heat pumps (AWHP), Multi V systems and residential air conditioners.
These field studies generate insights that directly influence product design. For example, observations that frost commonly accumulates on the lower section of outdoor heat exchangers in extreme cold led LG to introduce a redesigned structure that reduces frost buildup and enhances operational stability in severe winter conditions.
Strengthened by its global research collaborations and robust field-testing infrastructure, LG is advancing the development of next-generation heat pump technologies that deliver high efficiency and reliable performance in diverse climates. Recently, LG announced a partnership with King Saud University and Pusan National University to establish a tropical-climate testing facility in Saudi Arabia – reinforcing the company’s commitment to regionally optimized HVAC innovation.
“Through strengthened global research collaboration and extensive field validation, LG is accelerating the advancement of heat pump technology,” said James Lee, president of the LG ES Company. “We remain committed to delivering reliable, high-efficiency and sustainable heat pump solutions that meet the needs of customers around the world.”
# # #
1 Level of reduction may vary depending on outdoor temperature.
2 Evaluating the Economic and Environmental Benefits of Air-to-Air Heat Pump Systems in Nordic Climates, and Performance Analysis of Air-to-Water Heat Pump Systems Using R290 Refrigerant Adapted to Nordic Climates.
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