LG TV repair technician helping fix reset not working issues

Steve H.

Expert ★★★★★ 27,853 satisfied customers

Specialities: LG webOS TVs, picture & sound faults, app & firmware issues, HDMI/ARC/eARC, power & backlight failures, network and Wi-Fi problems, streaming apps not loading

LG TV reset not working — when factory reset doesn’t fix black screen, apps or sound

Technician avatar Technician
Hey! We’ll track down why your LG TV reset is not helping and get real fixes in place, not just “try factory reset again”.
A few questions so we can give expert-level LG TV repair tips instead of guessing:
• Exact LG TV type: OLED, NanoCell, UHD, older LED? Rough model or year (e.g. C1/C2/C3, CX, Nano81, UM7xxx)?
• Which reset did you try — Reset to Initial Settings in webOS settings, picture/sound reset only, or unplugging the TV (soft reset)?
• Main symptom that LG TV reset did not fix: black screen but sound, apps not opening, stuck on logo, remote or webOS menus freezing, Wi-Fi not connecting, or something else?
• Are you using only the internal apps, or also external devices (cable box, Fire Stick, console, soundbar, receiver)?
With that info we can see whether this is more of a software, settings, HDMI, or hardware/backlight issue — and why a factory reset on your LG TV didn’t solve it.
Customer
I have a 55″ LG webOS TV (a few years old, not sure of the exact model). I did a Reset to Initial Settings from the menu because Netflix and YouTube kept crashing and the TV was freezing. After the reset and setup, the same thing happens. Apps still close by themselves and sometimes the TV freezes on the LG logo. So the LG TV factory reset is not helping.
Technician avatar Technician
Thanks, that helps a lot. When an LG webOS TV reset doesn’t fix apps crashing, it usually means:
• The issue is coming from firmware or webOS itself, not just user settings.
• The TV has very low free storage — so even after a reset, apps update and quickly fill it again, causing freezes.
• There’s a network or DNS problem making streaming apps fail, even though general reset went through.

Instead of doing more factory resets, we’ll:
1) Make sure the TV is fully updated to the latest LG firmware/webOS version.
2) Clean up apps and storage so webOS has room to run.
3) Adjust a few picture/sound options so the TV uses less processing power.
4) If needed, do a deeper power reset that helps when a normal LG TV reset is not working.
That usually brings a “stubborn” LG TV back without replacing the board.
Customer
The TV says it’s on the latest software. But yes, sometimes it’s slow to respond and the apps feel laggy. I’ve done the factory reset twice now and it still freezes or exits apps. Is there something else beyond the standard LG TV reset to initial settings I can try?
Technician avatar Technician
Good question. There are a few quick LG TV repairs that go beyond a simple reset and often work better in real life.
Step 1 — Do a proper soft reset (power drain)
1) Turn the LG TV off with the remote and unplug it from the wall.
2) Press and hold the power button on the TV itself for 10–15 seconds (if accessible).
3) Leave it unplugged for at least 60 seconds, then plug it back in and turn it on.
This clears residual power and often helps when a factory reset didn’t fix LG TV freezes.

Step 2 — Check storage, delete and reinstall problem apps
1) On webOS, go to Settings > All Settings > Support > Storage (or similar, depending on webOS version).
2) Remove apps you don’t use and clear app data/cache where possible.
3) Uninstall Netflix/YouTube or the apps that crash, then reinstall them from LG Content Store.
This is often more effective than a full reset when LG TV apps are not working after reset.
Customer
I didn’t know about the storage screen. I’ll clean that up. Another issue: once or twice the TV had sound but no picture after I reset it. The screen went black but I could still hear audio from an app. Turning it off and on fixed it. Is that related?
Technician avatar Technician
Yes, that’s another common case where an LG TV reset is not fixing a black screen issue.
We want to test whether the panel/backlight is OK and if picture processing is the problem.
Step 3 — Use LG TV self-diagnosis / picture test
1) Go to Settings > All Settings > Support (or OLED Care / Device Self Care on newer webOS).
2) Run the built-in Picture Test / Self Diagnosis feature.
• If the test image looks normal, the TV hardware is probably fine and the issue is with source, HDMI, or apps.
• If the test image fails or stays black, the TV may have a panel/backlight or main board issue that a reset can’t fix.

Step 4 — Eliminate HDMI and external devices
• Disconnect all HDMI devices (cable box, console, streaming stick, soundbar via ARC/eARC).
• Switch the LG TV input to Live TV or just the home/dashboard.
• See if the LG TV still shows black screen with sound after reset when nothing is connected.
If it behaves normally with no external devices, we’ll adjust HDMI settings or suspect a bad device/port instead of the TV itself.
Customer
Okay. My main problem is still that “Reset to Initial Settings” didn’t really change anything. Apps still crash and sometimes webOS is very slow. Is there a way to repair the software without buying a new TV, or does that mean a hardware problem?
Technician avatar Technician
A reset wipes your preferences but doesn’t magically fix every underlying issue. There are a few more realistic things to try before we even think about hardware.
Step 5 — Stabilise network so streaming apps stop failing
• If possible, connect the LG TV via Ethernet cable to the router instead of Wi-Fi.
• If you must use Wi-Fi, make sure the TV is on the 5 GHz band when available and fairly close to the router.
• In network settings, you can test changing DNS to 8.8.8.8 / 1.1.1.1 to see if that stops buffering and app crashes.

Step 6 — Use lighter picture/sound modes
• On older LG webOS TVs, heavy picture processing or motion smoothing can make a struggling main board feel even slower.
• Use a simple mode like Cinema / Filmmaker / Standard and switch off extra processing for now.

If after storage cleanup, network stabilisation and soft reset the LG TV reset is still not helping, then we start to suspect deeper firmware glitches or a failing main board.
Customer
What about cases where the reset doesn’t even complete? My friend’s LG TV gets stuck on the initial setup after a factory reset. It keeps asking for language and country, then freezes or reboots. Does that mean the LG TV software is corrupted?
Technician avatar Technician
When an LG TV gets stuck after factory reset (setup loop, LG logo loop, or “Press OK on your remote” but nothing happens), a normal reset won’t fix it because the TV cannot finish the boot process.
Here’s what we usually try:
• Make sure the original LG remote is working (fresh batteries, point directly at the sensor, test other buttons). If the TV can’t see the OK/Scroll Wheel input, setup won’t continue.
• Unplug everything from HDMI and USB so no device interferes with boot.
• Do the deep power drain again (unplug, hold physical power button 15 seconds, then plug back in).
• Try starting the TV with a different outlet or power strip to rule out power issues.

If the TV still reboots or freezes during setup even after a reset, that’s a strong sign of main board/firmware corruption. At that point, repair or board replacement is more realistic than repeating the reset.
Customer
So when is a reset actually useful? I just don’t want to keep wiping the TV if it won’t fix anything. When should I use a simple reset, and when should I call a technician or LG support?
Technician avatar Technician
Great question — knowing when to reset an LG TV is half the battle.
Reset is usually helpful when:
• Menus are still accessible but webOS feels glitchy, slow, or apps behave oddly.
• Picture/sound look wrong after lots of tweaks and you just want to go back to defaults.
• You’re preparing to sell or give away the TV and need to wipe accounts/data.

Reset usually won’t fix:
• Permanent backlight, panel or power issues (for example, black screen with no picture test, random power-offs with no LED).
• HDMI port damage, cracked screens, or strong backlight bleed.
• Severe firmware corruption where the TV can’t complete boot or setup.

In those cases, when an LG TV reset does not work, it’s time to compare repair options, board replacement cost, or warranty support rather than pressing the reset button again and again.
Customer
That makes sense. For my situation, I mostly need apps to stop crashing and webOS to be more stable. If cleaning storage and doing the deep power reset doesn’t help, is there anything else to try before I consider a repair?
Technician avatar Technician
A couple more things you can do before making that decision:
• Turn off “Quick Start+” / fast boot in General > System — this forces a cleaner boot each time and often helps when LG TV reset didn’t solve webOS glitches.
• Run LG’s built-in self-diagnosis for picture and sound to confirm the hardware side is healthy.
• Try a different user profile / country setting temporarily to rule out regional app issues.
• Test with only one or two core apps installed for a day (e.g. just Netflix and YouTube). If it’s stable that way, you know app count or one specific app is the trigger.

If after all of this your LG TV reset is still not helping, we can walk through model-specific options, check for known firmware bugs, and help you decide whether repair, board replacement, or an upgrade makes more sense money-wise. You can open the chat anytime and we’ll tailor the steps to your exact LG model.
Customer
After the deep power reset, deleting unused apps, and turning off Quick Start+, things are much smoother. Apps haven’t crashed yet and the TV hasn’t frozen. Looks like I finally got what I expected the reset to do. Thanks for explaining why just hitting “Reset” wasn’t enough.
Technician avatar Technician
Summary: when an LG TV reset is not helping, don’t just repeat the same factory reset. Combine a proper power drain, storage cleanup, app reinstall, and LG’s picture/sound self-diagnostics to see whether the problem is software, network, or hardware. If your LG TV still has a black screen with sound, keeps freezing on the LG logo, or apps crash even after reset, that points to deeper firmware or board issues. Not sure which category your TV falls into? Open the chat and an expert will walk you through the most effective repair options step by step.

Quick answer: the accepted fix

Accepted fix when an LG TV reset is not working: perform a full power drain (unplug and hold the TV’s power button), then reconnect and update webOS. Clean up storage by removing unused apps, reinstall crashing apps from LG Content Store, and run LG’s built-in picture/sound self-diagnosis. If the TV passes tests but still misbehaves, reserve a wired network connection where possible and disable Quick Start+ before trying another reset.

Why LG TV reset not helping? Common reasons factory reset fails

Many owners assume a factory reset will fix any LG TV problem, but that’s not always true. If your LG TV reset is not helping, the cause is often outside simple settings: corrupted webOS firmware, low internal storage, failing HDMI devices, or hardware issues like backlight or main board faults. A reset will not repair a broken panel, dead backlight, or damaged HDMI port. It also won’t stop issues caused by a weak Wi-Fi signal, bad DNS, or overloaded apps. That’s why your LG TV can show the same black screen, sound-only, or app-crash symptoms even after resetting.

How to check if your LG TV reset actually fixed the issue

After any reset or repair step, leave the TV running long enough to prove the problem is gone. If you had apps not working on your LG webOS TV, test those same apps for at least 20–30 minutes each. If your complaint was LG TV black screen but sound, run LG’s picture test and check several inputs. When the TV can show its own test patterns and built-in demo clips without freezing, but still fails with a specific box or console, it’s more likely an HDMI or device issue than the TV itself. If the TV reboots, locks up on the LG logo, or loses picture even during self-tests, a reset won’t be enough and you should plan for service or hardware diagnosis.

LG TV reset not helping — quick troubleshooting tips

Most stubborn issues are solved by combining deep power reset, storage cleanup and self-diagnosis — not by repeating the same factory reset.

Quick path: if LG TV reset to initial settings did not fix your problem, unplug the TV and perform a power drain, update webOS, and remove unused apps to free storage. Run LG’s picture and sound self-diagnosis, then test with just one or two key apps. Keep the TV on a stable network connection (preferably Ethernet) and disable Quick Start+ so it fully reboots. If your LG TV is still freezing, stuck on the logo, or showing a black screen with sound after all that, it’s time to look at main board, backlight or warranty options instead of more resets.

Disclaimer: This information is AI-generated and intended for general guidance only. For advice specific to your LG TV model, firmware version, and symptoms, please consult a verified expert on Whizz-Tech before making repair decisions.

Understand what these prompts mean

Getting Started Is Easy

Ask for help, 24/7

Members enjoy round-the-clock access to 12,000+ verified Experts, including LG TV and smart TV support, techs, mechanics, vets, and more.

Expert will respond in minutes

We match you with an Expert who specialises in LG webOS issues, factory resets not working, black screen and app problems. Talk, text, or chat — whichever you prefer.

Save time & money

No scheduling hassles or expensive in-home visits. Fixing LG TV reset not helping problems online can save you time, stress, and money.

FAQ

Why is my LG TV reset not helping the problem?

A factory reset on an LG TV only returns software settings to defaults. It won’t repair failing backlights, main boards, HDMI ports, or power issues. It also may not fix corrupted webOS firmware, low storage, or poor network conditions, which is why the same symptoms can return right after the reset.

LG TV still has black screen even after reset — what does that mean?

If you still get a black screen on an LG TV after reset, but sound works, run LG’s picture self-test from Settings > Support. A failed test points to a panel/backlight or main board fault. Passing tests but no image on certain inputs suggests HDMI cable, device, or input settings problems rather than a reset issue.

LG TV apps not working after factory reset — what should I try next?

When LG TV apps are still crashing after reset, free up storage, uninstall and reinstall problem apps from LG Content Store, and improve network stability (Ethernet or stronger Wi-Fi signal, updated DNS). Disabling Quick Start+ and doing a full power drain often helps webOS behave more reliably.

When should I contact a technician instead of resetting my LG TV again?

If your LG TV is stuck on the logo, can’t finish setup, fails its own self-diagnosis tests, or shows hardware symptoms (clicking, no backlight, distorted image) even after a proper reset and power drain, it’s time to consult a technician or LG support. Repeating resets won’t repair hardware faults.

Sources

Matt Verified Icon
Matt ● replies in < 1 min
Technician Expert
⭐⭐⭐⭐⭐ Trusted by 27,000+ customers
Avatar
Alex · Expert's Assistant
5 Tech Support Specialists are online right now.