HDMI ports on most modern LG TVs (2020 and newer) sit on the rear panel, grouped in a centralized cluster near the bottom-center or left side of the back. Depending on the model, you'll find two to four ports - some facing sideways for easy access, others pointing downward. The exact position shifts between LG's OLED, QNED, and budget UHD lines, and it also changes depending on the model year. Older LG TVs (pre-2020) often spread their ports along the left or right edge of the back panel instead.
If you've ever struggled to find the right port behind your TV - especially after wall-mounting it - you're not alone. This guide covers the lg tv hdmi port location for every major LG series from 2020 through the newest 2026 models, including port types, the right port for each device, input switching, essential settings, and troubleshooting.
Before jumping in, here's a quick overview of LG as a brand. If you're still evaluating your purchase, you might want to check whether is lg a good tv brand - short answer: they're one of the most respected TV manufacturers on the market, especially for OLEDs.
Key Takeaways
Most LG OLED TVs (C4–C6, G4–G6, B4–B6) have 4 HDMI 2.1 ports, all supporting 4K@120Hz, VRR, and ALLM.
The ARC/eARC port is typically HDMI 2 on LG OLEDs - that's where your soundbar connects.
Mid-range QNED models have 3–4 HDMI ports; budget LG UHD TVs carry 2–3 ports.
2026 LG models (C6, G6, B6, W6) retain HDMI 2.1 - there's no HDMI 2.2 this year.
Beyond HDMI, LG TVs offer Bluetooth for wireless audio - learn more about whether your model supports it with our guide on does lg tv have bluetooth.
Where Are HDMI Ports on LG TVs? (Location by Model Series)
Finding the hdmi port on lg tv models is straightforward once you know what to look for. The layout differs across LG's product lines, but there's a clear pattern for each series. Here's exactly where to find your ports, broken down by TV family.
LG OLED TVs (C6/G6/B6/W6 - 2026, C5/G5/B5 - 2025, C4/G4/B4 - 2024, Back to CX - 2020)
On LG's OLED lineup, the HDMI ports are located on the rear panel in a centralized cluster. Two ports typically face left (making them side-accessible even when wall-mounted), and two more face downward toward the bottom edge.
This layout applies to the LG C4, C5, and the newly announced C6 for 2026. The G-series gallery models - G4, G5, and 2026's G6 - follow the same arrangement. According to FlatpanelsHD's coverage of LG's 2026 lineup, the C6 and G6 both carry four full-specification HDMI 2.1 ports with support for 4K at 120Hz for consoles and up to 4K at 165Hz for PC gaming, the same configuration as last year's models.
There's one catch worth knowing: on 83-inch OLED models (like the 83C4 and 83C5), the port layout can differ slightly from the 55-inch or 65-inch versions. Some 83-inch panels position the eARC port (HDMI 1) and HDMI 2 on the left side, with HDMI 3 and 4 facing downward. Always check the label printed on the back of your specific set.
The W6 for 2026 is LG's revived "wallpaper" TV design. It uses a wireless Zero Connect box - your HDMI devices plug into that box rather than the display itself, though the concept is similar to the M5 from 2025.
If you're evaluating which OLED is right for you, our breakdown of what is the best lg oled tv covers the differences between the B, C, and G series in detail.
LG QNED / NanoCell TVs (QNED90, QNED85, QNED80 - 2024–2026)
QNED and the older NanoCell models group their ports in the center-rear of the panel. The QNED90 and QNED85 series offer 4 HDMI ports, while the more affordable QNED80 typically has 3. Some face sideways for easier cable management, others point downward.
For 2025, LG uses a letter suffix to indicate the year: QNEDA models are 2025, and the upcoming QNEDB suffix marks 2026 releases. The port layout stays consistent across years within each tier.
Wondering which QNED to pick? Take a look at our guide on which lg qned tv is best for a model-by-model comparison.
LG UHD / Budget 4K TVs (UT/UA/UB Series - 2024–2026)
Budget LG TVs keep things simpler. You'll find 2–3 HDMI ports on the rear panel, often grouped alongside other connections like USB, optical audio, and Ethernet. Side-facing ports are less common on these models, so reaching them behind a wall mount can be trickier.
These are solid TVs for everyday use. If you're researching the full LG range, check out what is the best lg tv for picks at every price point.
Older LG TVs (Pre-2020 - SK/UK/UH/SM/UM Series)
Before LG centralized their port clusters, HDMI connections were often spread along the left or right edge of the rear panel. Some 2017–2019 models had a few ports facing sideways and others pointing straight back. If you own an older model, running your hand along both edges of the back panel usually reveals the ports quickly.
These older TVs were among LG's first smart models. If you're unsure about your set's capabilities, our article on is lg tv a smart tv explains what each generation supports.
How to Find Your LG TV Model Number
Not sure which model you own? There are three quick methods to find out:
Check the label on the back panel - every LG TV has a sticker with the full model number printed on it.
Go to Settings → General → About This TV - the model number and software version are listed here.
Check the original box - the model number is printed on a label, usually near the barcode.
Once you have the model number, here's how to decode the year: the number after the series letter tells you the model year. So 6 = 2026, 5 = 2025, 4 = 2024, 3 = 2023, 2 = 2022, 1 = 2021, X = 2020, 9 = 2019, and 8 = 2018. A "C6," for example, is the C-series from 2026. FlatpanelsHD has published a complete decoding chart in their 2026 lineup overview that confirms this naming convention.
For a step-by-step walkthrough, visit our guide on how to find lg tv model number.
Model-Year HDMI Port Reference Table
Model Series | Year | Screen Sizes | HDMI Ports | All HDMI 2.1? | eARC Port |
|---|---|---|---|---|---|
OLED G6 | 2026 | 55", 65", 77", 83", 97" | 4 | Yes | HDMI 2 |
OLED C6 / C6H | 2026 | 42", 48", 55", 65", 77", 83" | 4 | Yes | HDMI 2 |
OLED B6 | 2026 | 55", 65", 77", 83" | 4 | Yes | HDMI 2 |
OLED W6 | 2026 | 65", 77", 83" | 4 (on Zero Connect box) | Yes | HDMI 2 |
OLED G5 | 2025 | 55", 65", 77", 83", 97" | 4 | Yes | HDMI 2 |
OLED C5 | 2025 | 42", 48", 55", 65", 77", 83" | 4 | Yes | HDMI 2 |
OLED B5 | 2025 | 55", 65", 77" | 4 | Yes | HDMI 2 |
M5 (Wireless OLED) | 2025 | 65", 77", 83" | 3 (on Zero Connect box) | Yes | HDMI 2 |
QNED90A | 2025 | 65", 75", 86" | 4 | Partial | HDMI 2 |
QNED85A | 2025 | 55", 65", 75", 86" | 4 | Partial | HDMI 2 |
QNED80A | 2025 | 43"–86" | 3 | No | HDMI 2 |
OLED C4 | 2024 | 42", 48", 55", 65", 77", 83" | 4 | Yes | HDMI 2 |
OLED G4 | 2024 | 55", 65", 77", 83", 97" | 4 | Yes | HDMI 2 |
OLED B4 | 2024 | 55", 65", 77" | 4 | Yes | HDMI 2 |
QNED85T | 2024 | 55", 65", 75", 86" | 4 | Partial | HDMI 2 |
QNED80T | 2024 | 43"–86" | 3 | No | HDMI 2 |
UT Series | 2024 | 43"–86" | 3 | No | HDMI 1 |
OLED C3 / G3 / B3 | 2023 | Various | 4 | Yes (OLED) | HDMI 2 |
OLED C2 / G2 / B2 | 2022 | Various | 4 | Yes (OLED) | HDMI 2 |
OLED C1 / G1 | 2021 | Various | 4 | Yes | HDMI 2 |
OLED CX / GX / BX | 2020 | Various | 4 | Yes (CX/GX) | HDMI 2 |
Port counts verified against LG's official product specification pages and Tom's Guide hands-on reports for 2026 models.
How Many HDMI Ports Does Your LG TV Have?
The question of how many hdmi ports on lg tv models have depends almost entirely on which product tier you bought. Here's the breakdown.
Every LG OLED from the CX (2020) through the C6 and G6 (2026) comes equipped with 4 HDMI ports. On the OLED models, all four support the full HDMI 2.1 specification, meaning any port handles 4K at 120Hz, VRR, ALLM, and eARC.
Mid-range QNED TVs typically carry 3–4 ports. The QNED85 and QNED90 get 4 ports, while the QNED80 drops to 3. Budget UHD models (the UT series in 2024, UA in 2025, and UB in 2026) generally offer 2–3 ports, with only 1 or 2 supporting higher HDMI specifications.
One model worth special mention: the LG M5 wireless OLED from 2025 has 3 HDMI 2.1 ports, but they're on the Zero Connect box - not on the display itself. What Hi-Fi confirmed this in their 2025 LG OLED lineup review. The 2026 W6 follows a similar wireless concept.
How to Verify Your TV's Port Count
Three fast methods:
Count the physical ports on the back and sides of your TV.
Press the Input button on your remote and count how many HDMI options appear on screen.
Look up your model at lg.com/us/support - enter your model number and check the specifications tab.
LG TVs have proven remarkably durable over the years. If you still have an older model running strong, our piece on how long does an lg tv last explores their typical lifespan. Curious about how these port counts stack up against Samsung? We compared the two brands in our guide on is lg tv better than samsung.
When You Need More Ports
If you have more devices than available HDMI ports, an HDMI switch solves the problem without replacing your TV. A 3-in-1 or 5-in-1 switch connects to a single HDMI port and lets you toggle between multiple devices using a small remote. The tradeoff: only one device is active at a time.
Good switches cost between $15 and $40 and don't reduce picture quality for standard 4K content. For 4K@120Hz gaming, look for a switch that explicitly supports HDMI 2.1 - those tend to run $40–$80.
Quick device count check: A soundbar + gaming console + streaming stick + cable box = 4 ports needed. If your TV only has 3, a switch handles the overflow neatly.
If you're wondering about LG's global manufacturing and quality control, take a look at where lg tv made.
Types of HDMI Ports on LG TVs Explained (Standard vs ARC vs eARC vs 2.1)
Not every HDMI port on your LG TV does the same thing. Understanding the lg tv hdmi port types saves you from the frustration of plugging your soundbar into the wrong slot and wondering why there's no audio.
Standard HDMI Ports
These accept video and audio input from external devices - cable boxes, Blu-ray players, streaming sticks. They support Full HD and 4K depending on the HDMI version. On LG OLED TVs, all ports are technically HDMI 2.1, but the "standard" ones (without the ARC label) are best reserved for video sources.
HDMI ARC (Audio Return Channel)
One specific port - usually HDMI 2 on LG OLEDs, sometimes HDMI 1 on older or budget models - supports ARC. This feature sends TV audio back to a connected soundbar or AV receiver through the same HDMI cable that carries video to the TV.
ARC handles compressed audio formats like Dolby Digital and DTS. It's perfectly adequate for most soundbars, especially those without Dolby Atmos support. LG's official support documentation on ARC connections confirms the setup process: connect to the ARC-labeled port, then set Sound Out to HDMI ARC in the TV's sound settings.
For detailed instructions on connecting your audio setup, check out our guide on how to connect lg soundbar to tv.
HDMI eARC (Enhanced Audio Return Channel)
Available on most LG TVs from 2019 onward, eARC occupies the same physical port as ARC (typically HDMI 2). The upgrade is bandwidth: eARC supports uncompressed, high-bitrate audio including Dolby TrueHD, DTS-HD Master Audio, and Dolby Atmos with full object-based audio.
The practical difference? If your soundbar supports Dolby Atmos pass-through, eARC makes that happen. If your soundbar only does basic Dolby Digital, standard ARC works identically - no reason to stress about eARC in that case.
eARC requires an Ultra High Speed HDMI cable (48Gbps) to deliver its full bandwidth, per HDMI.org's cable specification standards.
Want wireless audio instead? LG TVs also offer Bluetooth output - here's our guide on how to connect bluetooth headphones to lg tv. You can also learn more about your TV's Bluetooth capabilities at does lg tv have bluetooth.
HDMI 2.1 Ports
HDMI 2.1 is the current standard on all LG OLED TVs (C4–C6, G4–G6, B4–B6). Its capabilities include 4K at 120Hz (and up to 4K at 165Hz for PC gaming on the G5, G6, and C6H models), VRR (Variable Refresh Rate), ALLM (Auto Low Latency Mode), and QMS (Quick Media Switching).
On LG OLEDs, all four ports are HDMI 2.1 - so you don't need to worry about plugging a PS5 into a "wrong" port. On budget LG TVs, though, not every port supports 2.1 features. Check the labels near your physical connectors.
The 2026 LG lineup does not include HDMI 2.2. FlatpanelsHD confirmed that all 2026 models retain HDMI 2.1, matching the 2025 specification exactly.
HDMI Port Type Comparison Table
Feature | Standard HDMI | HDMI ARC | HDMI eARC | HDMI 2.1 (Full Spec) |
|---|---|---|---|---|
Max Resolution | Up to 4K@60Hz | Up to 4K@60Hz | Up to 4K@60Hz | 4K@120Hz / 8K@60Hz |
Max Refresh Rate | 60Hz | 60Hz | 60Hz | 120Hz (165Hz PC) |
Audio Return | No | Yes (compressed) | Yes (uncompressed) | Depends on port |
Supported Audio | N/A | Dolby Digital, DTS | Dolby TrueHD, DTS-HD MA, Atmos | N/A (audio via eARC) |
Cable Required | High Speed | High Speed | Ultra High Speed | Ultra High Speed |
Best For | Cable box, Blu-ray | Basic soundbar | Atmos soundbar, AV receiver | PS5, Xbox, PC gaming |
Reading Port Labels on Your LG TV
LG prints labels near each physical connector on the back panel. You'll see markings like "HDMI 1," "HDMI 2 (eARC)," and sometimes additional icons for "4K@120Hz," "VRR," or "ALLM." These tell you exactly what each port supports. If the text is too small to read, use your phone's flashlight - or camera zoom - to get a clear look.
Which HDMI Port to Use for Each Device on Your LG TV
Plugging a device into the right port makes a real difference. Here's the optimal port assignment for every common device, verified against LG's official HDMI device connection support page.
Soundbar / AV Receiver
Always use the HDMI port labeled ARC or eARC - that's HDMI 2 on most LG OLEDs. This is the only port that sends audio back from the TV to your soundbar through a single HDMI cable.
A common mistake: connecting a soundbar to HDMI 1 or HDMI 3 and wondering why no audio comes through. Those ports only accept video input - they don't return audio. If you use a non-ARC port for your soundbar, you'd need a separate optical cable instead.
For detailed soundbar setup instructions, visit how to connect lg soundbar to tv.
Gaming Console (PS5, Xbox Series X/S)
Use any HDMI 2.1 port to get 4K@120Hz, VRR, and ALLM. On LG OLEDs (C4 through C6, G4 through G6), all four ports are HDMI 2.1, so any will work.
My recommendation: avoid using the ARC/eARC port for your gaming console. Keep HDMI 2 reserved for your soundbar, and plug your console into HDMI 1, 3, or 4. After connecting, enable Game Optimizer for the best gaming experience - our guide on how to turn on game mode on lg tv walks you through the setup. You'll also want to read about how to reduce input lag on lg tv for competitive gaming.
For console-specific setup, check our guides on how to connect ps5 to lg tv wirelessly and how to connect xbox to lg tv.
Nintendo Switch
Any HDMI port works. The Switch outputs at 1080p/60Hz maximum, so HDMI version doesn't matter. Pick whichever port is most convenient.
Cable / Satellite Box
Any standard HDMI port handles a cable box just fine. Avoid using the ARC port (HDMI 2) for this - save that for your soundbar. HDMI 1 or HDMI 3 are both solid choices.
Streaming Stick (Roku, Fire TV, Chromecast)
Any available port works. If your LG TV has side-facing ports, use one of those for easier access - streaming sticks tend to stay plugged in permanently, but the shorter cable run is cleaner.
That said, LG's built-in webOS platform includes Netflix, Disney+, Apple TV+, and most major streaming apps. You might not even need a streaming stick. You can also cast directly from your phone - learn how at how to connect phone to lg tv or specifically for Apple devices at how to connect iphone to lg tv.
Laptop / PC
Use an HDMI 2.1 port for the best resolution and refresh rate. The LG G5, G6, and C6H support up to 4K at 165Hz from PC sources - you'll need to enable HDMI Ultra HD Deep Color in settings for full 4K output (covered in Section 6).
Device-to-Port Quick-Match Table
Device | Recommended Port | Why | Settings to Enable |
|---|---|---|---|
Soundbar | HDMI 2 (ARC/eARC) | Only port that returns audio | Sound Out → HDMI ARC |
PS5 / Xbox Series X | HDMI 1, 3, or 4 | Keep ARC free for soundbar | Game Optimizer, VRR, ALLM |
Nintendo Switch | Any available port | 1080p - no special requirements | None |
Cable / Satellite Box | HDMI 1 or 3 | Avoid using ARC port | None |
Streaming Stick | Side-facing port (if available) | Easier access | None |
Laptop / PC | Any HDMI 2.1 port | Best resolution/refresh rate | HDMI Ultra HD Deep Color |
Blu-ray Player | Any available port | Standard 4K@24/60Hz output | None |
How to Switch to HDMI Input on Your LG TV (4 Easy Methods)
Knowing how to switch to hdmi on lg tv is essential once your devices are connected. LG offers four ways to change hdmi input lg tv sets - and one hidden trick for setting a default startup input.
Method 1: Remote Control Input Button
Press the Input button on your LG Magic Remote - it's the icon that looks like a rectangle with an arrow pointing into it. A list of connected inputs appears on screen. Highlight the HDMI port you want and press OK.
Important note for 2026 models: LG's new AI Magic Remote for 2026 has removed the dedicated Input button. Instead, press the Home button and navigate to the Inputs bar in the Home Hub.
If your remote isn't responding at all, try our troubleshooting guide on how to pair lg remote to lg tv.
Method 2: Home Hub Navigation
Press the Home button on your remote. In the Home Hub interface (webOS 25/26), you'll see an Inputs section along the top. Navigate to it and select the HDMI port you need. This works on all LG smart TVs running webOS 23 and later.
Method 3: Physical TV Button / Joystick
Lost your remote? No problem. Locate the power/joystick button on the bottom center or rear-bottom of your TV. A single press opens the quick menu, which includes input switching. Tap to cycle through inputs and press to select.
This is also handy for anyone who needs to how to turn on lg tv without remote or how to change input on lg tv without remote.
Method 4: LG ThinQ App
Download the free LG ThinQ app on your smartphone (available for iOS and Android). Connect your phone to the same Wi-Fi network as your TV. Open the app, select your TV, and use the virtual remote to switch inputs from anywhere in the room.
If you want to learn more about controlling your TV from your phone, see our complete guide on how to control lg tv with phone. The prerequisite here is a working WiFi connection - can i use my phone as a tv remote lg covers this in detail.
For a broader look at input switching, including when you want to how to change hdmi on lg tv, we have a dedicated walkthrough.
How to Rename HDMI Inputs
Tired of guessing which HDMI number is your PS5 and which is your cable box? You can rename them.
Press the Input button (or go to Home Hub → Inputs).
Select the three-dots menu in the top-right corner.
Choose Edit Inputs.
Rename each input - "PS5," "Soundbar," "Laptop," whatever you prefer.
Save your changes.
This works on webOS 22 and later. Pocket-lint's March 2026 guide on LG TV HDMI settings confirmed the process remains unchanged in webOS 26.
How to Set a Default HDMI Input on Startup
This is a hidden feature that most guides skip. If you want your TV to automatically open to a specific HDMI input when powered on:
Hold the Settings button on your remote for 5 seconds.
Enter 1 1 0 5 and press OK.
A "Public Display" settings screen should appear.
Scroll down to Power On Default and turn it on.
Select Input and choose your preferred HDMI port.
Press Back to save.
Fair warning: this method doesn't work on every model or webOS version. Some TVs show a different menu or don't support this feature at all. LG's official support page on setting a default input notes that this feature may not be applicable to certain models. If it doesn't work on yours, contact LG support for model-specific alternatives.
A note on hotel TVs: If you're staying in a hotel with an LG TV, the hotel's interactive mode often blocks input switching. See our guide on how to change input on hotel lg tv for workarounds.
Essential HDMI Settings Every LG TV Owner Should Know
Connecting a device is only half the job. These settings - buried in LG's menus - determine whether you actually get 4K, HDR, or 120Hz from your connected devices.
HDMI Ultra HD Deep Color
This setting enables full 4K@60Hz or 4K@120Hz with HDR and 10-bit color depth. Without it, your TV limits HDMI signals to 4K@60Hz at 8-bit (4:2:0), which means no HDR and washed-out colors.
Where to find it:
webOS 24–26: Settings → General → Devices → HDMI Settings → HDMI Ultra HD Deep Color
webOS 22–23: Settings → General → External Devices → HDMI Settings → HDMI Ultra HD Deep Color
Older webOS: Settings → All Settings → Picture → Additional Settings → HDMI Ultra HD Deep Color
You can enable it per port - turn it on for the HDMI port connected to your PS5, PC, or 4K streaming device. Leave it off for older devices that cause handshake issues or black screens.
LG's support documentation for accessing 4K content from external devices confirms this is the critical setting for HDR output.
If Deep Color creates issues with your HDR picture, you may also want to adjust HDR output - our guide on how to turn off hdr on lg tv covers when and why you'd disable it.
Simplink (HDMI-CEC)
Simplink is LG's version of HDMI-CEC (Consumer Electronics Control). When enabled, turning on your PS5 automatically switches your TV to that input. Your TV remote can also control the volume on a connected soundbar.
How to enable: Settings → General → External Devices → Simplink → ON.
One side effect worth knowing: Simplink can cause unwanted power-on behavior. Turning on your TV might automatically wake your PS5 or vice versa. If that bothers you, disable "Auto Power Sync" within the Simplink settings while keeping CEC input switching active.
eARC Configuration
If you have an eARC-compatible soundbar or AV receiver:
Go to Settings → Sound → Sound Out → HDMI ARC.
Select Additional Settings and ensure eARC is set to ON.
Use an Ultra High Speed HDMI cable (48Gbps) between the TV and your audio device.
Game Optimizer & ALLM
Game Optimizer activates automatically on LG OLEDs when the TV detects a gaming console via ALLM (Auto Low Latency Mode). You don't need to manually enable it - just make sure ALLM isn't disabled in settings.
During gameplay, press the Settings button to access the Game Dashboard overlay. From here, you can toggle VRR, check your current refresh rate, and adjust game-specific picture settings without leaving your game.
Speaking of picture modes, you may want to understand what is filmmaker mode on lg tv and how it differs from Game Optimizer. If Filmmaker Mode activates when you don't want it, here's how to turn off filmmaker mode on lg tv. For smoother motion in non-gaming content, see how to turn off motion smoothing on lg tv.
Quick Media Switching (QMS)
Available on 2024 and newer LG TVs, QMS eliminates the brief black screen that normally appears when you switch inputs or when content changes resolution format. It's usually enabled by default - you shouldn't need to touch it.
Keep Your TV Updated
These settings sometimes reset or change behavior after firmware updates. It's worth keeping your TV's software current. Check out how to update firmware on lg tv or how to update lg tv software for step-by-step instructions.
How to Access HDMI Ports on a Wall-Mounted LG TV
Wall-mounting an LG TV looks incredible - until you need to reach the ports behind it. Since most HDMI connections face either downward or sideways on the rear panel, accessing them after mounting can be frustrating. Here are practical solutions.
Pre-wire cables before mounting. This is the single best piece of advice. Before your TV goes up on the wall, connect HDMI cables to every port you'll need - including one or two spare cables for future devices. It takes two minutes and saves you from removing the TV later.
Use right-angle HDMI adapters. A 90-degree or 270-degree HDMI adapter lets cables exit flush against the wall instead of sticking straight out. This is especially valuable for rear-facing ports on wall-mounted OLEDs where clearance is tight. Choose the angle direction (up, down, left, right) based on how your ports are oriented.
Short HDMI extension cables. A 6-inch or 12-inch extension cable can bring a hard-to-reach rear port out to a more accessible position. This doesn't affect signal quality at such short lengths.
The phone flashlight technique. When your TV sits close to the wall, the back panel is too dark to read port labels. Use your smartphone's flashlight to illuminate the area - or use your phone camera's zoom to read small text from below.
Recessed wall mount kits. These mounts create a pocket behind the TV, giving you several inches of clearance to access ports and manage cables. They're slightly more expensive than flat mounts but dramatically easier to live with.
Use side-facing ports for frequent changes. On LG OLED models, two ports face left (sideways). These are accessible even on wall-mounted TVs. Plug your most frequently connected/disconnected device - like a laptop - into a side-facing port.
One cautionary note: don't force HDMI cables into tight spaces behind a mounted TV. Excessive pressure can push the port inward, damaging the solder joint on the mainboard. If you need to dismount your TV for any reason, see our guide on how to remove legs from lg tv for tips on handling the hardware safely. Remember that port positions vary by model - refer back to our breakdown of where are hdmi ports on lg tv models in Section 1 if you need a refresher.
Troubleshooting Common LG TV HDMI Problems
If your lg tv hdmi not working properly, these five problems cover about 90% of HDMI issues on LG TVs. Work through the relevant fix in order - each step builds on the last.
Problem 1: "No Signal" on HDMI
The dreaded lg tv hdmi no signal message. Here's the fix sequence:
Check that the cable is firmly seated at both the TV and the source device. Pull it out and push it back in - a loose connection is the most common cause.
Verify the correct input is selected. Press Input on your remote and confirm you're on the right HDMI number.
Power cycle everything. Unplug the TV from the wall (not just standby - actually unplug it). Wait 30 seconds. Plug it back in and turn on the TV, then the source device. This resets the HDMI handshake. For a full walkthrough, see how to restart lg tv.
Try a different HDMI port. If HDMI 1 shows no signal, move the cable to HDMI 3.
Try a different HDMI cable. Damaged cables are more common than people think.
Confirm the source device isn't in standby. A PS5 in rest mode, for example, sends no signal.
Toggle HDMI Ultra HD Deep Color. Go to Settings → General → Devices → HDMI Settings and turn Deep Color on (or off, if it's already on). This forces a handshake renegotiation.
Update your TV's firmware. Outdated software can cause HDMI handshake failures. Firmware updates require WiFi - if you're having WiFi troubles, see why won't my lg tv connect to wifi.
If you're seeing the "no signal" error specifically, our dedicated article on why does my lg tv say no signal digs deeper into every possible cause.
Problem 2: No Audio from HDMI ARC
Verify your soundbar is connected to the ARC/eARC port (typically HDMI 2).
Check Sound Out settings: Settings → Sound → Sound Out → select HDMI ARC.
Enable Simplink - ARC requires CEC communication between devices.
If using eARC, go to Additional Settings and confirm eARC is ON.
Try a different HDMI cable - for eARC, use a certified Ultra High Speed cable.
Power cycle both devices - unplug both the TV and soundbar for 30 seconds.
Problem 3: Flickering or Dropping Signal at 4K/120Hz
Use a certified Ultra High Speed HDMI cable (48Gbps). Many "4K HDMI cables" on Amazon are only 18Gbps High Speed - inadequate for 4K@120Hz.
Enable HDMI Ultra HD Deep Color for the affected port.
On the source device, try reducing to 4K@60Hz or lowering color depth to rule out cable issues.
Check for firmware updates on both the TV and source device.
Disable TruMotion / motion smoothing - it can conflict with high refresh rate signals.
If flickering persists, our guide on why is my lg tv flashing covers additional causes.
Problem 4: HDMI Port Physically Damaged or "Pushed In"
If you can see that the HDMI connector has been pushed inside the TV's casing, the solder joint connecting the port to the mainboard has likely broken. Do not force a cable into a pushed-in port - you'll make it worse.
Your options:
Use a different working HDMI port - the simplest immediate fix.
Add an HDMI switch on a remaining functional port to expand connectivity.
Contact LG support or a TV repair service. Fixing a pushed-in port typically requires mainboard replacement. Based on iFixit community repair data, replacement mainboards cost roughly $50–$200 for the board itself, plus labor. On older TVs, this repair may not be cost-effective.
Problem 5: Device Not Detected (Handshake Failure)
HDMI handshake failures - where the TV and device fail to establish a connection - are annoyingly common but usually fixable:
Change the boot order. Try turning on the source device first, then the TV (or the reverse). Some devices negotiate better in a specific sequence.
Disable and re-enable Simplink in Settings → General → External Devices.
Disconnect all other HDMI devices. Connect only the problematic device alone to isolate the issue.
Factory reset the TV as a last resort. This wipes all settings - see how to reset lg tv or how to factory reset lg tv for instructions.
If your TV isn't turning on at all - not just showing "no signal" - the issue is different. Check why is my lg tv not turning on. For random power-off issues, see why does my lg tv keep turning off. And for display-specific glitches, our guide on how to fix lg tv screen problems covers those scenarios.
How to Choose the Right HDMI Cable for Your LG TV
Not all HDMI cables are the same, despite what budget Amazon listings might suggest. The cable tier determines your maximum bandwidth, which in turn limits resolution and features.
HDMI Cable Tier Comparison Table
Cable Type | Max Bandwidth | Max Resolution | Best Use Case on LG TV |
|---|---|---|---|
Standard Speed | 4.95 Gbps | 1080i | Legacy devices only |
High Speed | 10.2 Gbps | 4K@30Hz | Streaming sticks, cable boxes |
Premium High Speed | 18 Gbps | 4K@60Hz HDR | Most 4K devices, Blu-ray players |
Ultra High Speed | 48 Gbps | 4K@120Hz + eARC | PS5, Xbox, eARC soundbars, PC gaming |
Cable tier specifications verified against HDMI.org's official cable certification standards.
When You Need Ultra High Speed
If you own an LG OLED and plan to game at 4K@120Hz, use eARC for Dolby Atmos, or connect a high-refresh PC, an Ultra High Speed (48Gbps) cable is required. This is the cable class that supports the full HDMI 2.1 feature set.
When Standard or High Speed Is Sufficient
A Roku stick, Fire TV, cable box, or older Blu-ray player outputting 1080p or 4K@30Hz works perfectly with a basic High Speed cable. No need to upgrade unless you're adding a gaming console.
Cable Length Matters
Keep cables under 3 meters (10 feet) for 4K@120Hz reliability. Longer runs can cause signal degradation, especially with budget cables. If you need a longer run, look for an active HDMI cable or fiber-optic HDMI cable rated for 48Gbps.
Skip the Premium-Branded Cables
Here's the honest truth: any certified Ultra High Speed HDMI cable works as well as a $100 branded one. The certification is what matters - look for the "Ultra High Speed" label on the packaging and scan the QR code to verify. Most "4K HDMI cables" on Amazon are actually High Speed (18Gbps), not Ultra High Speed. Read the specification line, not just the marketing headline.
For wireless audio as an alternative to cable-based connections, check out how to enable bluetooth on lg tv.
Frequently Asked Questions About HDMI Ports on LG TVs
Where is the HDMI port on an LG OLED TV?
On LG OLED TVs (C6, G6, C5, G5, C4, G4, B4 through CX), HDMI ports are on the rear panel in a centralized cluster. Two ports typically face left for side access, and two face downward. The eARC port (usually HDMI 2) is labeled near the connector.
The port layout can vary slightly between screen sizes. The 55-inch and 65-inch models have a consistent arrangement, but the 77-inch and 83-inch versions may position ports differently due to the larger chassis. For your exact model, the LG support website offers port diagrams when you enter your model number.
Remember, the model year code helps identify your TV: 6 = 2026, 5 = 2025, 4 = 2024, and so on.
How many HDMI ports does an LG TV have?
Most LG OLED TVs have 4 HDMI ports, all supporting HDMI 2.1. Mid-range QNED models have 3–4 ports, and budget UHD/4K TVs have 2–3 ports. The LG M5 wireless OLED has 3 HDMI 2.1 ports on its Zero Connect box. See the full port count table in Section 2 for every model.
Which HDMI port is ARC on LG TV?
On most LG TVs, the HDMI ARC or eARC port is HDMI 2. It's labeled "ARC" or "eARC" near the physical connector on the back panel. On some older or budget LG models, HDMI 1 may be the ARC port instead. Always check the label on your specific TV rather than assuming.
Which HDMI port should I use for PS5 on LG TV?
Use any HDMI 2.1 port on your LG TV for the PS5 to get 4K at 120Hz, VRR, and ALLM. On LG OLED models (C4–C6, G4–G6), all four ports are HDMI 2.1. Avoid the ARC/eARC port if a soundbar is connected, and enable Game Optimizer in picture settings for the best performance.
Can I add more HDMI ports to my LG TV?
Yes - use an HDMI switch to expand connectivity. A 3-in-1 or 5-in-1 switch connects to one HDMI port and lets you toggle between multiple devices using a small remote. Only one device can be active at a time. Switches cost between $15 and $40 and don't reduce picture quality at standard resolutions.
LG TVs also support wireless streaming that can reduce the number of HDMI ports you need. Check if your model supports does lg tv have chromecast built-in or does lg tv have airplay for wireless device mirroring.
Why is my LG TV HDMI not working?
Common causes include: loose cable connections, wrong input selected, HDMI handshake failure, HDMI Ultra HD Deep Color disabled, outdated firmware, or a faulty cable. Start by reseating the cable, switching ports, and power cycling both devices. Toggle Deep Color in HDMI Settings and update your TV's software.
If your TV seems slow overall, firmware updates can help - see why is my lg tv so slow.
How do I switch HDMI input on LG TV without a remote?
Press the joystick or power button on the bottom or rear of your TV once to open the input menu. Tap to cycle through inputs. You can also download the free LG ThinQ app on your smartphone and use it as a virtual remote over Wi-Fi.
The ThinQ app requires a WiFi connection - if you need help setting that up, check how to connect lg tv to wifi without remote and how to connect lg tv to wifi.
Can I use HDMI ARC and regular HDMI at the same time on LG TV?
Absolutely. The ARC/eARC port handles soundbar audio while the other HDMI ports handle video from devices like game consoles, streaming sticks, and cable boxes simultaneously. Each port functions independently - audio return on the ARC port doesn't affect video input on the other ports.
Final Takeaways: Getting the Most from Your LG TV's HDMI Ports
Here's what matters most. HDMI ports on modern LG TVs are on the rear panel in a centralized cluster, with some ports facing sideways for wall-mount accessibility. The ARC/eARC port - usually HDMI 2 - is where your soundbar goes, and every OLED port supports the full HDMI 2.1 spec for 4K@120Hz gaming. Enable HDMI Ultra HD Deep Color for any device that outputs 4K HDR content, and you'll get the best picture your TV can deliver.
This is the only guide that covers LG TV models from 2020 all the way through the 2026 C6, G6, B6, and W6 releases in a single resource. Bookmark this page - we update it after every major LG announcement and firmware release, so it stays current as new models arrive.
LG's TVs are built to last, and their HDMI implementation has been consistently strong across generations. If you're curious about warranty coverage for the long haul, check out how long is lg tv warranty. And if you're still on the fence about LG as a brand, our readers consistently confirm what we've found: is lg a good tv - yes, especially for anyone who values OLED picture quality and solid port connectivity.
