Exact model-family answer directory

LG QNED90T MiniLED TV troubleshooting

Choose the symptom actually shown by 65/75/86QNED90T*. LG TV; OLED/QNED/LCD panel, webOS year, HDMI bandwidth and Magic Remote vary by model. Error codes remain separate records because the same characters can mean different things on another platform.

no pictureno soundHDMI no signalWi-Fiapps not workingremote not working

Reviewed records

16 exact answers

Not sure where the fault is?

LG · apps not working

LG QNED90T MiniLED TV apps will not open, update or install

For the LG QNED90T MiniLED TV, one app, all apps, storage, account/region and service status produce different corrections.

Open record LG · eARC

LG QNED90T MiniLED TV ARC or eARC soundbar audio is not working

For the LG QNED90T MiniLED TV, correct labeled ports, matching CEC/eARC controls, output format and direct-chain testing matter.

Open record LG · antenna

LG QNED90T MiniLED TV cannot find antenna channels

For the LG QNED90T MiniLED TV, antenna input/region, coax path, signal and a fresh channel scan should be verified.

Open record LG · colors wrong

LG QNED90T MiniLED TV colors look wrong, washed out or tinted

For the LG QNED90T MiniLED TV, source format, HDMI range, picture mode, white balance and panel uniformity should be separated.

Open record LG · game mode

LG QNED90T MiniLED TV game mode, 120 Hz or VRR is not working

For the LG QNED90T MiniLED TV, console/game support, HDMI port bandwidth, cable, input mode and format must all align.

Open record LG · no sound

LG QNED90T MiniLED TV has picture but no sound

For the LG QNED90T MiniLED TV, output selection, mute/volume, format and the external audio path should be isolated.

Open record LG · no picture

LG QNED90T MiniLED TV has sound but no picture

For the LG QNED90T MiniLED TV, built-in menus versus every external input separates panel/backlight faults from HDMI/source problems.

Open record LG · restarting

LG QNED90T MiniLED TV keeps restarting or will not stay on

For the LG QNED90T MiniLED TV, outlet, external devices, sleep/timer/CEC and internal power protection should be isolated.

Open record LG · too dark

LG QNED90T MiniLED TV picture is too dark or keeps dimming

For the LG QNED90T MiniLED TV, ambient/power saving, HDR mode, content mastering and panel behavior should be separated.

Open record LG · remote not working

LG QNED90T MiniLED TV remote will not control the TV

For the LG QNED90T MiniLED TV, infrared power/volume and Bluetooth/RF navigation may be separate paths.

Open record LG · flicker

LG QNED90T MiniLED TV screen flickers, flashes or goes black intermittently

For the LG QNED90T MiniLED TV, trigger, source, cable, refresh/HDR/VRR and built-in menu behavior identify the fault.

Open record LG · HDMI no signal

LG QNED90T MiniLED TV shows no signal on HDMI

For the LG QNED90T MiniLED TV, input selection, source output, cable, port and handshake should be tested in a direct minimal chain.

Open record LG · firmware

LG QNED90T MiniLED TV software update will not install

For the LG QNED90T MiniLED TV, exact model/region, free storage, network and stable power are required.

Open record LG · AirPlay

LG QNED90T MiniLED TV will not AirPlay, Cast or screen mirror

For the LG QNED90T MiniLED TV, protocol support, same-network discovery, guest isolation and protected-content restrictions should be separated.

Open record LG · Wi-Fi

LG QNED90T MiniLED TV will not connect to Wi-Fi or keeps disconnecting

For the LG QNED90T MiniLED TV, tV radio versus router band/security/signal and provider service should be separated.

Open record LG · Bluetooth

LG QNED90T MiniLED TV will not pair with Bluetooth headphones or speakers

For the LG QNED90T MiniLED TV, tV eligibility, competing hosts, pairing mode, distance and audio-output support should be isolated.

Open record

Confirm the model first

Which units this covers, and how to tell yours is one of them

Every answer below is scoped to these model identifiers. A neighbouring model in the same line can use a different part, a different reset sequence or a different radio, so matching the identifier before following a procedure is the step that decides whether the rest of the page applies to you.

Model numbers and patterns: 65/75/86QNED90T*
What that covers: LG TV; OLED/QNED/LCD panel, webOS year, HDMI bandwidth and Magic Remote vary by model.

Published specification

What is true of this model and changes how you fix it

These are the properties that decide which procedure applies. Each is read from the manufacturer’s own published figures for this model, not carried over from a sibling that shares its retail name.

Panel — LCD, not OLED: This is a Mini-LED LCD with full-array local dimming, NOT an OLED. It has a backlight, so blooming or a faint halo around bright objects on a dark background, and slightly raised blacks in a dark room, are normal LCD backlight behaviour — the opposite diagnosis from an OLED. Local Dimming settings adjust the trade-off.
Smart platform: webOS 24 with the Magic Remote — same app store, update path (Settings › Support › Software Update) and AirPlay 2 / Miracast screen share as LG's OLEDs.
Gaming / HDMI: HDMI 2.1 with 4K 120 Hz, VRR, ALLM and FreeSync (up to 120 Hz, not 144). Game Optimizer must be on for the input.

Where these figures were read. lg.com QNED90T product page + tvreviews/TVsBook 2024 (Mini-LED, 120Hz, VRR, webOS 24), read 2026-09-01

Manufacturer support for this product line. LG Support — TV and home theater support. Official LG television manuals, webOS support, diagnostics and repair entry point.

Exact questions

Questions that only have an answer for the LG QNED90T MiniLED TV

Each answer below uses this model’s own published figures. The same question asked about a different model in the line has a different answer, which is why it is answered here rather than on a general page.

I see a glow or halo around bright objects on my LG QNED90T.+

That is backlight blooming, and it is normal on a Mini-LED LCD like the QNED90T — unlike an OLED, it lights the picture with a backlight divided into dimming zones, and a bright object on a black background can show a faint halo. Adjusting Local Dimming (higher reduces blooming but can dim shadow detail) manages it. It is a characteristic of the LCD technology, not a fault.

Structured depth, not empty permutations

Every published record carries a direct answer, scope, ordered fixes, risk notes and sources.

Device and manufacturer hubs share a consistent record system, but each answer carries the relevant controls, fault boundaries, consequences and official support entry point for that platform.

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