To properly experience our LG.com website, you will need to use an alternate browser or upgrade to a newer version of internet Explorer (IE10 or greater). Tested and working with a 2014 and 2019 MBP (the latter with HDMI dongle). Post Author: Post published: 21st May 2022; Post Category: in a topic outline, main points are called out with; Post Comments: . I don't want to do Mini DisplayPort to HDMI to an adapter to USB c. LG 34WN80C-B specifications Below you will find the product specifications and the manual specifications of the LG 34WN80C-B. 1-800-MY-APPLE, or, Sales and In this post, youll learn how to fix LG monitor no sound issues step by step. 35WN75C, 35BN75C, 35WN73A, 27UK670, 24QP750, 34GN73A, 32GP850, 27GP850. If Method 2 doesnt work for you, try Method 3. It supports a maximum resolution of 3440 x 1440 @ 30/50/60Hz over HDMI, DisplayPort and USB-C and it supports 2560 x 1080 @ 60Hz, 1920 x 1080 @ 60Hz, 1680 x 1050 @ 60Hz and other lower resolutions at 60Hz over HDMI, DisplayPort, and USB-C^Ivan, The radius of curvature for the screen on the LG 34WN80C-B 34 Inch 21:9 UltraWide™ WQHD IPS HDR10 USB-C 3-Side Virtually Borderless Monitor is 1800R^IFV, The LG 34WN80C-B 34 Inch 21:9 UltraWide™ WQHD IPS HDR10 USB-C 3-Side Virtually Borderless Monitor does not have built-in speakers. Need Help? I have tried with a ThinkPad with both Windows and Linux (PopOS and Manjaro), a Desktop computer with a USB-C DisplayPort card on Linux (same distros) and Windows and now I use a M1 Pro Macbook Pro running MacOS Monterey. Then the Volume Mixer window will pop up. Dec 2, 2020 12:05 PM in response to Grant Bennet-Alder. Coding on this monitor has been great! I currently spend 8 to 12 hours a day working and using these beautiful monitors for work. Share your answers.Please review the detailed product information and help guides in the Product Support section for this product prior to posting a question. Ask the community. Find wide monitor screens with the latest gamer-approved features like NVIDIA G-SYNC compatibility, and vibrant IPS monitor display. Either yourlaptop speakers or whateer speakers are plugged into the laptop or the Monitor and whatever speakers are plugged into the monitor, i have tried what you suggested and still no sound. Hopefully you find this article helpful. Privacy Policy agreement check is not selected. Refer to the detailed Warranty information delivered in your product packaging. - Depending on the connected monitor, supported menu may vary. Just a few of the options available include: Curved UltraWide Monitors: Whether you want one large panoramic view or need a 4-screen split so you can see more of your work at once, our curved UltraWide monitors make it all possible. - OnScreen Control supports connection of up to 4 monitors. Its virtually borderless design and gorgeous slim ArcLine stand add to its chic image. Ask your question here. I can connect a LG 34UM61-P to the MacBook Pro 16 via the same HDMI hub and cable. OnScreen Control displays all connected LG monitor information. When no sound issue on the monitor occurs, its possible the volume of the monitor is muted. I can connect a LG 34UM61-P to the MacBook Pro 16 via the same HDMI hub and cable. The opinions expressed above are the personal opinions of the authors, not of HP. 2) Select the Playback tab, then youll see if the monitor is set as the default audio device. By rejecting non-essential cookies, Reddit may still use certain cookies to ensure the proper functionality of our platform. Refer to the detailed Warranty information delivered in your product packaging. macOS 10.15, Nov 28, 2020 9:48 AM in response to fjsandiego. You can follow these steps to check that: 1) On your keyboard, press Win+R (the Windows logo key and the R key) at the same time to invoke the Run box. Apple disclaims any and all liability for the acts, Ask your question here. If it is working fine when connected over USB-C cable [which has DisplayPort protocol embedded], then it is working as designed. If youre using Internet Explorer 9 or earlier, you will need to use an alternate browser such as Firefox or Chrome or upgrade to a newer version of internet Explorer (IE10 or greater). Thanks, MarkS13, Didn't find what you were looking for? 2) Type sndvol.exe into the Run box and press Enter. Have a LG 34WN80C it will only connect via usb-c cable to MacBook Pro 16. However, if the screen does have built in speakers you need to go Control Panel>Hardware and Sound>Manage Audio Devices and set either your headphone jack or the screen to be the default device. If its muted, youll see a red circle with a red line on it. Though it is not 4K quality, the picture is still real crisp. Enter your email address below to receive a notification as soon as this item is back in stock. Hi, I got a 34WN80C-B (Great monitor so far!) Can't find the answer to your question in the manual? Check documents on compatibility, FAQs, upgrade information and available fixes. I am using a LG 34WN80C-B 34 inch UltraWide at home and a Dell 3419 at work (didn't have a chance to test it at work yet due to COV-19). I want to use the native HDMI port directly and avoid any other adapters altogether. If your monitor does have built-in speakers, continue to try other methods. UltraFine Monitors: Our UltraFine collection includes brilliant 4K monitors, as well as breathtaking 5K monitors in a variety of sizes. LG TV: How to connect a keyboard, mouse, or gamepad to your LG TV, LG Monitors - Ultrawide Monitor: 4-Screen Split, LG Ultrawide Monitor - Setting Up Dual Controller, Connecting LG to Google Assistant & Amazon Alexa - LG SmartThinQ, Do Not Sell or Share My Personal Information. View the manual for the LG 34WN80C-B here, for free. For a monitor at this price it should, but disappointingly doesn't. It doesn't appear to work over USB-C with the later model though. Offering a new generation of convenience, USB Type-Cports allow 4K video display, data transfer and laptop/mobile device charging, all at the same time over a single cable. Press question mark to learn the rest of the keyboard shortcuts. With its elegant, stunning profile, this monitor turns heads even when powered off. Offering a new generation of convenience, USB Type-Cports allow 4K video display, data transfer and laptop/mobile device charging, all at the same time over a single cable. If you hold down the option key and click on the speaker icon at the top of your screen, it'll show you all audio (sound) inputs and outputs in 1 list. 34WN80C-B.AUS Request a Repair Register a Product Support Home Help Library See more Troubleshooting LG TV settings: How do I set the power on/off timer? Because life waits for no one, at LG USA we create consumer electronics, appliances and mobile devices that are designed to help you connect with those who matter most. No sound with windows. To properly experience our LG.com website, you will need to use an alternate browser or upgrade to a newer version of internet Explorer (IE10 or greater). Whether that means cooking a nutritious, delicious meal for your family, staying connected on-the-go, sharing your favorite photos, watching a movie with your kids or creating a clean, comfortable place to celebrate the moments that matter, we'll be there for you every step of the way. and I have a sound issue. I have the same issue. Ask your questions. If you have external speakers you can plug them into the audio out slot on the back of the monitor and the problem will be solved. In order to get the best possible experience from our website, please follow below instructions. If changing the resolution doesn't help, you may need to uninstall your video drivers and install compatible drivers if video drivers are not compatible with your OS^Ivan, What connectivity does your Mac Mini (Late 2014) have, what refresh rates and resolutions does the graphics card in it support? This monitor, with 99% coverage of the sRGB spectrum, is a great solution for photographers, graphic designers or anyone looking for highly accurate color. Watching movies on this monitor was great as well, it does not have onboard speakers, so you will have to use your own, but I was able to watch from my bed with no issues at all. That "4K" display is not expected to work reliably at best quality over HDMI. Yes, the manual of the LG 34WN80C-B is available in English . So make sure the monitor volume is not muted. By using this site, you accept the. Find commercial appliances and electronics from LG for your business and help make life good. Their 21:9 aspect ratio and IPS technology ensure you'll get true color accuracy at any angle making them among the best computer monitors for designers, photographers, gamers and other professionals who need more room for big ideas. At the same time, its 144Hz refresh rate and 1 ms response time help to minimize motion blur, providing you with liquid . Check if the time is set correctly on your TV.If the time is wrong or shows incorrect time information, an error may occur when setting the power on/off timer. HDMI is for consumer devices such as HD TV sets. I have tried with a ThinkPad with both Windows and Linux (PopOS and Manjaro), a Desktop computer with a USB-C DisplayPort card on Linux (same distros) and Windows and now I use a M1 Pro Macbook Pro running MacOS Monterey. Using same HDMI hub and cable it connects fine to a MacBook Pro 13. Shop Holiday deals and promotions with up to, LG 34WN80C-B 34 Inch 21:9 UltraWide WQHD IPS HDR10 USB-C 3-Side Virtually Borderless Monitor. ***The NPD Group, Inc., U.S. Retail Tracking Service, Monitors, Gaming Designed, Based on dollars, May19-Apr20 combined. The screen size of the LG 34WN80C-B is 34 ". User profile for user: Press Windows key + X then select Device Manager Ill get back to you ASAP. Sign me up to receive product tips and tricks, special offers and more from LG. You can go to the PC manufacturers website to download the drivers. Share your answers.Please review the detailed product information and help guides in the Product Support section for this product prior to posting a question. Find helpful customer reviews and review ratings for LG 34WN80C-B UltraWide Monitor 34" 21:9 Curved WQHD (3440 x 1440) IPS Display, USB Type-C (60W PD) , sRGB 99% Color Gamut, . 2. 6 weeks ago, I use macOS Software Update to update my macOS to Monterey 12.5 and now, the HDMI port on my Baseus USB-C Multifunction Adapter cannot output HDMI signal to any external TV, or LCD projectors. A real missed opportunity here LG. The monitor has a native refresh rate of 60 Hz and a native resolution of 3440 x 1440. LG has the #1 UltraWide*, Gaming** and UHD monitors*** in the country, making it easy to find the right monitor for all that you do. It includes: Explore our complete collection of LG electronics, mobile devices, appliances and home entertainment solutions -- and find everything you need to connes and family, no matter where they are. An HDMI cable is used to transport audio and video signals between devices. If you dont see any monitor option in the Playback tab, it can be disabled and hidden. Your email was received. LG 34WN80C will not work with HDMI with MacBook Pro 16 but works fine with new MacBook Pro 13, User profile for user: provided; every potential issue may involve several factors not detailed in the conversations *The NPD Group, Inc., U.S. Weekly Retail Tracking Service, Monitors, Aspect ratio: 21:9, Based on Dollars & Units, 52 Weeks Ending Apr 4, 2020 vs. same weeks in 2018 & 2019. Save $*rDiscountedPrice*. Or you can refer to the product user manual. This adapter from Apple does not work: (model A2119, HDMI 2.0) Huge, nice picture, and all the cable connections I need. Dec 2, 2020 3:13 PM in response to fjsandiego. Love it. https://www.amazon.ca/gp/product/B07H29J86N/ref=ppx_yo_dt_b_asin_title_o00_s00?ie=UTF8&psc=1. OnScreen Control is an application to enable easy control of the monitor connected to a PC. None of these give any signal when using the USB-C port but all work with HDMI and DisplayPort, and it didn't happen after any kind of update, it simply stopped working overnight. Switches easily between my laptop and desktop machine. With gratitude, I am using a MacBook Pro (13-inch, 2020, Four Thunderbolt 3 ports, Intel CPU, 2.0 GHz Quad-Core Intel Core i5, 16 GB 3733 MHz LPDDR4X, Intel Iris Plus Graphics 1536 MB). Does anyone have a good Alienware Testbench (AW3422DW / AW3423DW / AW3423DWF). This is very frustrating. If you are looking for a brilliant 4K monitor or a breathtaking 5K monitor, shop LG UltraFine Monitors. Here I'm giving a quick review of the LG 34WN80C-B 34 inch 21:9 Curved UltraWide WQHD IPS Monitor with USB Type-C monitor for my coding, editing, and product. The wider aspect ratio makes the one monitor function like having two side-by-side.. I bought this monitor a couple of weeks ago and am pretty much in love. Press the power button for 10 seconds to turn off then unplug your adapter for 30 seconds then plug your adapter. information, Learn how to install & operate your LG product, 34 21:9 Curved WQHD (3440 x 1440) IPS Display, 32.1" x 22.4" x 9.9" (up) 32.1" x 18.1" x 9.9" (down), Media Share - Network File Brower, Google Dial, Wi-Fi B/in/Wi-Fi Ready - WiFi Direct, Simplink (HDMI CEC). Fix your Windows problems with the guides here. You may find the answer to your question in the FAQs about the LG 34WN80C-B below. LG HDMI Monitor No Sound - Solved (Windows) IN: https://www.amazon.in/shop/techlifestyle (affiliate links)US: https://www.amazon.com/shop/techlifestyle ||------------------------------------------------------------------------------------------------------------------------------Best Deals on Amazon India:Best Smartphone Deals: https://amzn.to/3bCceI6Best TV Deals: https://amzn.to/3eqwjCLBest Refurbished Deals: https://amzn.to/3dJvBQSBest Laptop Deals: https://amzn.to/3dQeug9Best Gaming Laptop Deals: https://amzn.to/2Ly2sfhAmazon Echo Devices:Echo Dot 3rd Gen: https://amzn.to/3bwpVYYEcho Show 5: https://amzn.to/3cGi3FMFire Stick 4K: https://amzn.to/3dS7Oy9Fire Stick:https://amzn.to/2AucZ92 -------------------------------------------------------------------------------------------------------------------------------Best Deals on Amazon US: Best TV Deals: https://amzn.to/2TEpgP8Best Smartphone Deals: https://amzn.to/2zrPxcrBest Laptop Deals: https://amzn.to/3goarKmBest Gaming Laptop Deals: https://amzn.to/3d28gtwAmazon Echo Devices:Echo Dot 3rd Gen:https://amzn.to/3cZVtIlEcho Show 5: https://amzn.to/3edJkj2Fire TV Stick 4K: https://amzn.to/2AZ4Zxc Fire TV Stick:https://amzn.to/3d2yrQV------------------------------------------------------------------------------------------------------------------------------Best Deals on Amazon UK: Best TV Deals: https://amzn.to/2Xx9NRNBest Smartphone Deals:https://amzn.to/3bWfu12Best Laptop Deals:https://amzn.to/36v88AlBest Gaming Laptop Deals:https://amzn.to/2TDD24CAmazon Echo Devices:Echo Dot 3rd Gen:https://amzn.to/3c2rNZBEcho Show 5:https://amzn.to/3c4GRpHFire TV Stick 4K:https://amzn.to/3ekflGm Fire TV Stick:https://amzn.to/2Xy8Ysh-----------------------------------------------------------------------------------------------------------------------------Amazon Storefront and RecommendationsIN: https://www.amazon.in/shop/techlifestyleUS: https://www.amazon.com/shop/techlifestyle *rDiscountedPriceCent*, Sign me up to receive product tips and tricks, special offers and more from LG. To properly experience our LG.com website, you will need to use an alternate browser or upgrade to a newer version of internet Explorer (IE10 or greater). Its virtually borderless design and gorgeous slim ArcLine stand add to its chic image. *To download latest OnScreen Control, visit LG.com. No results were found. The picture shown for illustration purpose only. LG 34WN80C-B 34 Inch 21:9 UltraWide WQHD IPS HDR10 USB-C 3-Side Virtually Borderless Monitor LG 34WN80C-B 34 Inch 21:9 UltraWide WQHD IPS HDR10 USB-C 3-Side Virtually Borderless Monitor +5 Write a review See Retailer for Pricing KEY FEATURES 34" 21:9 Curved WQHD (3440 x 1440) IPS Display sRGB 99% Color Gamut Wish Add to Wishlist Add to Compare Terms of Service apply. I want the montor to have the sound. It still works perfectly fine for both the DisplayPort and the HDMI ports, however, the USB-C port just doesn't work. There is tons of room for multiple groups in VS Code, as well as having a live server / Google / Documentation up on the side. Learn How to Post and More, Printing Errors or Lights & Stuck Print Jobs, DesignJet, Large Format Printers & Digital Press, Business PCs, Workstations and Point of Sale Systems. I agree with the Provide a clear and comprehensive description of the problem and your question. I am using Apple remote desktop while debugging this issue so I can see what the system is seeing. Select the monitor audio as your output device. MacBook Pro 13 and 16 works with LG 34UM61-P via HDMI, MacBook Pro 13 and 16 works with LG 34WN80C via USB-C, MacBook Pro 13 works with LG 34WN80C via HDMI, MacBook Pro 16 DOES NOT with LG 34WN80C via HDMI. This site is protected by reCAPTCHA and the Google, Download owner's manuals and I use an external display and connect a 27-inch Dell U2720Q to my Macbook Pro via the left-side Thunderbolt port with Power Delivery from the monitor. HDMI stands for High-Definition Multimedia Interface. lg 34wn80c b sound not working. This adapter from Insignia works (HDMI 1.4) which is kinda handy. For monitors without built-in speakers, they wont play any audio. Once it appears, you can set it as the default device with the above mentioned steps. This manual comes under the category Monitors and has been rated by 1 people with an average of a 7.5. Then click on the Set Default button. In order to get the best possible experience from our website, please follow below instructions. Find pictures, reviews, and tech specs. About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features Press Copyright Contact us Creators . HDR-compatible monitors display brighter whites and blacker blacks compared to conventional displays. I can see the video fine, but there is no sound coming out? If youre using Internet Explorer 9 or earlier, you will need to use an alternate browser such as Firefox or Chrome or upgrade to a newer version of internet Explorer (IE10 or greater). . In order to get the best possible experience from our website, please follow below instructions. Screen Split , Monitor Setting, and My Application Presets and other menus let the user control screen split layout and monitor display settings as well as the monitor picture mode for each application. !function(a){var e="https://s.go-mpulse.net/boomerang/",t="addEventListener";if("False"=="True")a.BOOMR_config=a.BOOMR_config||{},a.BOOMR_config.PageParams=a.BOOMR_config.PageParams||{},a.BOOMR_config.PageParams.pci=!0,e="https://s2.go-mpulse.net/boomerang/";if(window.BOOMR_API_key="8ZKNB-L7R9X-J5VUX-ZKLUE-H2UQX",function(){function n(e){a.BOOMR_onload=e&&e.timeStamp||(new Date).getTime()}if(!a.BOOMR||!a.BOOMR.version&&!a.BOOMR.snippetExecuted){a.BOOMR=a.BOOMR||{},a.BOOMR.snippetExecuted=!0;var i,_,o,r=document.createElement("iframe");if(a[t])a[t]("load",n,!1);else if(a.attachEvent)a.attachEvent("onload",n);r.src="javascript:void(0)",r.title="",r.role="presentation",(r.frameElement||r).style.cssText="width:0;height:0;border:0;display:none;",o=document.getElementsByTagName("script")[0],o.parentNode.insertBefore(r,o);try{_=r.contentWindow.document}catch(O){i=document.domain,r.src="javascript:var d=document.open();d.domain='"+i+"';void(0);",_=r.contentWindow.document}_.open()._l=function(){var a=this.createElement("script");if(i)this.domain=i;a.id="boomr-if-as",a.src=e+"8ZKNB-L7R9X-J5VUX-ZKLUE-H2UQX",BOOMR_lstart=(new Date).getTime(),this.body.appendChild(a)},_.write("'),_.close()}}(),"".length>0)if(a&&"performance"in a&&a.performance&&"function"==typeof a.performance.setResourceTimingBufferSize)a.performance.setResourceTimingBufferSize();!function(){if(BOOMR=a.BOOMR||{},BOOMR.plugins=BOOMR.plugins||{},!BOOMR.plugins.AK){var e=""=="true"?1:0,t="",n="vxwpgzax2wlrmy6imrfq-f-668c7485f-clientnsv4-s.akamaihd.net",i="false"=="true"?2:1,_={"ak.v":"34","ak.cp":"865401","ak.ai":parseInt("247323",10),"ak.ol":"0","ak.cr":119,"ak.ipv":4,"ak.proto":"http/1.1","ak.rid":"653c3bb","ak.r":43557,"ak.a2":e,"ak.m":"a","ak.n":"essl","ak.bpcip":"173.236.243.0","ak.cport":46293,"ak.gh":"23.33.43.217","ak.quicv":"","ak.tlsv":"tls1.3","ak.0rtt":"","ak.csrc":"-","ak.acc":"reno","ak.t":"1674077259","ak.ak":"hOBiQwZUYzCg5VSAfCLimQ==tWVSiI64kVxX4sHpZnnsONavPgH1pzVpOG0svlt6kamsBgwUlxLHKsVpIf5F1ryXo3ccVwSCybj0Abh9jHPf8MfyYDXEPVmxjlj8A2IpZ+zhyT3sBn4ZsBTrR3FaQela7NivuqzOi8dA71PJQRohKhxYviVZt+BMIFeSdtBTaATsBMi9p3k8xGmvmuk1vsUvzaolEmbajJGzP1iOaLyM/XAIpZhj70a8YbIo8ee/dkYPH76YrDl3pFfsHhI3aShY3Bvfb0hcW/+ALipIN3Rb1VTE1nM443vzH1olWvxyLs8CG9XI6cfjMAwSLSCHfIlM/v9jANP1DJ3/UHVcGeqqCI5kP6AVLorfQr1G/gwNsxJPCSOU4M7BSVk4Jd3NuQxIjGPyc8iCD6RcB2918pEHc7MS+OI/lhy6bsSNYBL5jug=","ak.pv":"352","ak.dpoabenc":"","ak.tf":i};if(""!==t)_["ak.ruds"]=t;var o={i:!1,av:function(e){var t="http.initiator";if(e&&(!e[t]||"spa_hard"===e[t]))_["ak.feo"]=void 0!==a.aFeoApplied?1:0,BOOMR.addVar(_)},rv:function(){var a=["ak.bpcip","ak.cport","ak.cr","ak.csrc","ak.gh","ak.ipv","ak.m","ak.n","ak.ol","ak.proto","ak.quicv","ak.tlsv","ak.0rtt","ak.r","ak.acc","ak.t","ak.tf"];BOOMR.removeVar(a)}};BOOMR.plugins.AK={akVars:_,akDNSPreFetchDomain:n,init:function(){if(!o.i){var a=BOOMR.subscribe;a("before_beacon",o.av,null,null),a("onbeacon",o.rv,null,null),o.i=!0}return this},is_complete:function(){return!0}}}}()}(window); LG.com utilizes responsive design to provide a convenient experience that conforms to your devices screen size. OnScreen control gives quick, easy access to a host of important monitor settings. No, it does have a headphone socket though that HDMI audio is passed to. I agree with the To fix the problem, you can try updating the sound drivers and the graphics card drivers. Open Device Manager, then expand the Monitors group Right click the Generic PhP monitor and select Properties On the Drivers Tab, click Update Driver, then choose 'Browse My Computer for Drivers' and then, Let me pick from a list..' Untick the option to show compatible drivers, then scroll down to find the LG drivers Same goes for color grading and picture editing because of the impressive IPS display, as well as being 99% color accurate on the sRGB scale. Timestamps:0:00 Intro0:52 Quick overview 1:40 USB-C charging / pass-through 2:49 Panel quality (coding)4:09 Ports / IO 5:08 Screen curve 5:57 Response time 6:55 Other work-flows 7:48 Do I recommend? I can see the video fine, but there is no sound coming out? This is a subreddit for all things Ultrawide and wider - 21:9, 32:9, etc. information, Learn how to install & operate your LG product, Do Not Sell or Share My Personal Information, 34 21:9 Curved WQHD (3440 x 1440) IPS Display, 32.1" x 22.4" x 9.9" (Up), 32.1" x 18.1" x 9.9" (Down), loc_en_US, sid_MD07000511, prod, sort_[SortEntry(order=SUBMISSION_TIME, direction=DESCENDING)], loc_en_US, sid_MD07000511, prod, sort_[SortEntry(order=LAST_APPROVED_ANSWER_SUBMISSION_TIME, direction=DESCENDING)]. It's an easy way to keep track of that special something you've had your eye on or save gift ideas for friends and family. The only thingi did see was designating what item to play the sound for. If not, youll need to set it to the default audio device manually. The 21:9 aspect ratio combined with the curved screen is great for work. All postings and use of the content on this site are subject to the. By using this site, you accept the . Therefore if the monitor has no built in speakers then there will be no sound. Copyright 2023 Mos Tech Tips All Rights Reserved, Method 1: Make sure your LG monitor has built-in speakers, Method 2: Make sure the volume is not muted, Method 3: Set monitor as default audio device. Our UltraFine collection includes stunning IPS monitors for incredible clarity. Tip: If its not easy for you to update the drivers manually, you can useDriver Easyto help update the drivers. When I plug the adapter directly into the Mac Mini's HDMI port, it recognizes the display correctly but the screen is black and does not show any image. Would using a HDMI to USB-C or HDMI to DisplayPort maybe help? only. Cables with No Certification tags are good for your standard TV set, and not much more. Add items to your wishlist so you can easily find them when you return to LG.com. Also, it is good that this monitor has a height . There are five possible solutions to fix LG monitor sound not working issues: Method 1: Make sure your LG monitor has built-in speakersMethod 2: Make sure the volume is not mutedMethod 3: Set monitor as default audio deviceMethod 4: Update driversMethod 5: Check the hardware.