4k tv flickering when connected to pc hdmi. THE RESOLUTION I purchased a Certified Ultra HD 8K HDMI 2.

4k tv flickering when connected to pc hdmi The laptop is set to extend its desktop onto a second monitor. So read the below for the potential fix Possible solution. I have noticed that when it does flicker, the TV shows it is switching between HDR and SDR, and this flickering can last 5-30 seconds with as Thanks! *update: the issue seems to be with the enhanced hdmi and not any other setting. (The tv then feeds slightly delayed audio to the receiver and speakers). Oct 5, 2023 · Flickering TV screens are a common issue that can leave many viewers frustrated. Such TV HDMI issues can possibly be fixed by 20． No response when connected to PC 1) Check if the PC’s display resolution is set to a compatible resolution for the TV. It started this past weekend. Feb 18, 2022 · The TV says "no signal" when the resolution is set at 4K@60hz - got it to show my PC at 1080p@30hz - but it was awful! I resently had a PS5 working all fine on the TV. The solution I found to this was to create a custom CVT-RB resolution, which I'm guessing lowers the amount of data sent over the cable and to the TV (pixel clock rate drops from 593MHz to 533MHz), but this Cheap Display port cable probably, you may try using HDMI and see if the problem persists, if it doesn't, just buy a slightly more expensive DP cable. 4. I downgraded to windows 10 removed drivers and everything else. Even with my regular HDMI 2. Totally black screen, no sign of life, no access to the TV menu. The flickering issue is gone after "auto low latency mode" is turned off. While connected to just the second tv, I noticed while playing games, that it flashes frequently while connected to either of the two hdmi ports on the graphics card. 4k 60Hz TV capped at 30Hz when connected via HDMI 2. 1, HDR, 4K, etc. Jan 10, 2019 · The screen starts flickering like crazy (sometimes, the PC freezes too - or at least I can't manage to close the game / change the screen back to the monitor). In this post I’m sharing what I’ve learned, including the pros and cons of different solutions, as well as a few tips and tricks to help you out. Not always, but mostly it happens. Even tried a fresh windows install twice. This has happened on: --2 different TVs (both TCL sets advertised as capable of 4K 120Hz) --2 different PCs Dec 24, 2022 · Is your Sony Bravia TV screen flickering? There are various factors that can cause this issue such as a software glitch, settings issue or even loose HDMI cables. When I set it to 4k HDR 144hz the output tends to stutter Dec 26, 2020 · I tried turning the bios setting back on, running my pc without virtual box on, and using a completely separate tv, hdmi, and power cable elsewhere in my house. 1 cable. It is connected via HDMI to a GTX 970. Changed output color depth to 10 and 12 bpc. 3840x2160 4K 60Hz works , 1080p 60Hz works. It stops The tv doesn't flicker, its the monitor and only when the tv is connected or when the tv has been connected. The diagnosis and cure is pretty straightforward—turn off the lights and check if the TV still looks like Feb 15, 2025 · I am using a PC connected to my Samsung S90D TV via a USB-C to HDMI 2. 1 and another same specs ( tried different hdmi cables) Issue: Setting the refresh rate to 144hz in Windows Display settings causes screen flickering and fast screen/audio cuts. Mar 13, 2023 · Is your Samsung TV screen glitching or flickering? Check out 11 to fix screen flickering issue on Samsung smart TV. 94, the input refresh rate could be 60Hz (iMac) and it wouldn't flicker. This can cause no or very poor signal. Sometimes it will flicker every few seconds until I redo the connection. The flickering doesn’t happen on any other HDMI source on the TV. This article will go through why your TV is experiencing a flicker when connected to and displaying content from a PC via HDMI. 5 M long), the screen flickers randomly at both I had some issues last night with flickering in the same area of Elden Ring on the same tv. At first the tv seems fine and gradually it gets a lot of hdmi snow. Apr 29, 2014 · Ok, so I recently built a gaming PC with a friend of mine and I have been using it connected to my TV via HDMI. Only the monitor connected directly to dGPU through left side USB-C. We’ve gathered the most-common reasons TV starts to flicker, so you can get back to a good viewing experience. Jul 24, 2020 · Hi, Two weeks ago, my Samsung TV (UN65EH6000F) went completely blank out of the blue. Connected my PC with a 10 meter Hugh Speed HDMI cable directly to port 3 of the TV (using a 90° adapter). Video of the issue here: This happens on both HDMI 2. Lower the refresh rate to 90hz, 60, 50, 40, etc. 0 connected to Windows PC (via gtx1060). 1 ports. Jan 22, 2023 · There can also be cases when the cable connection is loose and the image starts flickering. Have tried all settings I can find but no success so I think I'll give up and only have the hdmi cable connected when actually watching something on the telly. Other times, the problem is your TV’s picture settings or a software glitch. Also using a long usb powered hdmi 2. to/3W0FmjP Replacement AA batteries So if I formatted my PC, I re-did every other test like changing customer resolutions or changing a setting on the tv. I'm on Windows 11 and the screen did the animation like it was discovering new displays during a fight with that large knight on horseback. Fortunately, there are quite a few troubleshooting steps that will help you resolve the issue. I use a program called "Monitor Profile Switcher" which let's me jump between different monitor setups. This seems to be a LG C series issue, tried the same GPU and PC on other screens (both TV over HDMI and monitor over Jan 19, 2024 · To sum up, your Hisense TV flickering issue is likely caused by the HDMI cable. The screen is flickering on off rapidly. Feb 24, 2020 · I have an LG E8 TV and it is great, no issues streaming in HDR, but HDR PC gaming is a mess. That said I do have issues with HDR looking grey-er or more washed out in windows/games than sdr and I have horrible inverse ghosting. Discover expert diagnostics, advanced fixes, and prevention strategies. I have my 4k tv connected to my pc but every time I try to play media on it it’s slightly stretched verticaly, this only happens on VlC other media players don’t have this problem, it says that the aspect ratio is 16:9 but is slightly off. 0b cable (link posted below), and connected to my 4K Samsung Q8FN TV (which all HDMI ports are 2. 1 cable, a very expensive one. At times it just goes black for a sec or 2 sometimes it won't even go away until i disconnect the HDMI and connect again. Read the full Jul 20, 2017 · PC - GTX 1070 Armor Edition - i7 7700K TV - Toshiba 43U6663DB 4K TV When I connect the two via HDMI at it's native resolution (3840x2160), I get extreme flickering at both 60Hz and 59Hz. To fix this, you will need to Jan 21, 2022 · Because only my Samsung monitor flickers while the laptop's and the drawing tablet's screens do not flicker at all. the black bars on the edge shouldn’t be there. Issues with the TV or laptop include incorrect display settings or incompatible hardware or software. If I disconnect and connect the HDMI cable again it usually disappears, but sometimes it only works when I disconnect the end going to the TV and Where the heck was all these great answers when I almost bought a monitor cause of flickering. What's going on ? Nov 10, 2019 · Option 1: I attached the adapter to the hdmi and then to my graphic card in the display port gate. 3. 1 Cable (4k 144Hz). HDMI 2. It's flickering — go black for seconds, vibrate, losing signal, etc. Damaged HDMI cables may also be an issue. 1 cable from Walmart for $15 i have Sony X90h TV and 3080ti GPU and i have the same problem (blinking black screen when i connect the tv to my PC and set it to 4k 120hz) i tried two HDMI cable 4k and still didn't fix the issue. Use alternative ports on your TV or monitor (like USB-C, DisplayPort, VGA, or DVI) or adapters if HDMI flickering occurs, especially when the HDMI port is suspected to be faulty. M So as the title states when HDR is enabled while running my cousins gaming TV at 4K 120hz the TV starts to flicker black and wont stop till HDR is disabled, we bought a brand new 8K 60hz HDMI 2. Jun 7, 2022 · Why is my TCL TV screen flickering? Your TCL TV screen is flickering because it’s stuck in standby mode. Audio doesn’t cut out, only the screen (in this case the audio was coming from my PC anyway, but I can confirm even from the TV it doesn’t cut out). The problem is that no matter how I limit the number of Hertz on the PC, the screen briefly goes black and sometimes even loses the connection completely or shows singnal disturbances. Nov 3, 2025 · HDMI flickering is a common problem that can occur with any device that uses an HDMI connection, including TVs, projectors, and computer monitors. TV is a 50" BRAVIA However, I have to use HDMI 3 or 4 to unlock the 120 Hertz option in my PC settings. it seems either the tv or the hdmi cable cant hande 4k 120. Here are everything that I've Feb 14, 2023 · Have you ever had the frustrating experience of connecting your PC to your TV and having it flicker? As a frustrated owner, I decided to do some research and find out the causes and how to fix it. And I should note other movies I have with dv don’t have this problem either. 1 cable for 15 bucks works great. This TV is connected to a PC running Windows 10. I rearranged my room and switched my pc location so I switched which hdmi was going to which 65 Aug 12, 2021 · I had lying around a 960, so i've used that too to test out the pc, and although now audio works from DP i'm still having issues on the random flickers and black screen on my 2nd monitor, connected to the pc via HDMI What could it be? My specs for now then -Palit GTX 960 -AMD Ryzen 5 3600X -Crucial Ballistix 2x8gb@3600mHz -Crucial SATA SSD Fixes for a Samsung TV flickering screen or a Samsung TV that's flickering on and off. Why did it happen? And how to troubleshoot and fix the problem? This blog gives you 7 tips on screen flickering causes and respective fixes. Mar 12, 2017 · I have a laptop with an HDMI output port running Vista, and an HDTV with HDMI input ports. Did you ever find a resolution? Currently dealing with the same issue with my RTX3080 and LG OLED tv. Apr 11, 2021 · HDMI connections between an LG TV and a laptop will not work for a number of reasons. Dec 2, 2021 · What To Know Ensure a secure HDMI connection and consider replacing the HDMI cable if flickering persists. Jan 19, 2024 · Are you facing the Vizio TV flickering issue? We're here to help you understand why it's happening and how you can fix it. Bought a 2. When I change the source from whatever to the PC, I get this extreme flickering on the screen where the image goes rapidly from black to the content of the source, like a strobe light. Shortly after I turn the TV off, my monitors start flickering with intermittent black screens and I hear the Windows device connecting/disconnected sound. It’s connected to a Sep 15, 2019 · UHD630 - 4K screen flicker with HDMI (only during XTU stress test). 1) and im connecting it to my computer which has a Gigabyte RTX 3080 gaming OC. If your LG TV is flickering on and off then 99% of people should be able to fix it with these steps. In fact, with my previous gpu, a 5700 XT, I also had everything connected the same way, and the 120 hz mode did not give me this problem. 1 cable from pc to tv but it's 25ft. 1 cable that claims to be more than capable for 4K 120hz when we got the TV so I really dont see what could be causing the issue unless its just Windows HDR being stupid as usual. Everything is Hello, I have a brand new LG evo oled and I just got the latest Halloween movies in 4k and they are flickering while watching them. (don't really get how a digital signal can give snow) Option 2: I attached the hdmi directly to the hdmi gate of my graphic card, same effect as above with no difference. Feb 11, 2020 · This issue only occurs during 4K playback. However, the HDMI inputs are more flexible in that even if the ATEM is set to 59. I have the same flicker, appears every few days, only goes away after turning VRR on Game Optimizer off and back on, I tried around 5 or 6 different cables, all work fine no other PCs and on the PS5 for 120Hz/VRR etc (but those are connected to a Samsung TV on the living room). May 5, 2023 · Out of desperation i signed up for this forum knowing there should be knowledgable people about HDMI cables So first of im using a "premium" (probably trash cables) HDMI 2. It says "No Signal" on the TV screen on both HDMI inputs. Jun 19, 2023 · That said, you can expect to deal with a glitchy or flickering TV screen once in a while, however much it’s a pain in the neck. Toggle Dec 2, 2021 · Ensure a secure HDMI connection and consider replacing the HDMI cable if flickering persists. With random screen flickering and sometimes even going completely blank and coming back on. Some times the green flickering will persist and turning the TV on/off fixes the problem. In this guide, we will discuss the causes behind this Feb 1, 2012 · I am not 100% sure this is a graphics card issue but it is my suspicion. Got one rated for 4k 120 and it fixed the issue. So, how do you fix a flickering TV screen? A flickering TV screen could be caused by bad cable connections or a faulty backlight. My screen keeps blinking black when I use the hdmi connected to my tv. It can be frustrating and affect the overall viewing experience. Jul 16, 2009 · i have a very annoying problem. Logically I also have all drivers and drivers checked, reinstalled using clean installs with DDU and updated to latest version. The resulting high-quality audio-visual experience has Jun 30, 2023 · Screen flickering could be a real headache for gamers or people who are working in front of their computers. Several advanced settings that may cause a flickering screen (and how to turn them off). Flashing pixels on my TV when connected to the computer: is it the TV, GPU, HDMI Cable, Windows Software or Nvidia Software at fault? Or perhaps just incorrect configuration of something? Archived post. 10ft, the way my setup is, I have my PC hooked up to a monitor via DP, and have a longer HDMI 2. However I've recently been trying to hook it up to my PC, and whenever I do it starts to flicker. It was my old hdmi cable. May 14, 2020 · I connected my pc to my TV via a HDMI cable, yesterday the screen started to flicker, but when i wire it up to my monitor it doesn't. 1 port. i did a reset of the tv and tried again and this time switching to enhanced mode just gives me a black screen unless I have the pc set to 60 hz. Mar 14, 2025 · GPU: 7800XT HDMI cables used: 1 HDMI 4k 2. I've Swapped HDMIs, bought new ones, had the TV replaced, tested all previous HDMIs on the new TV and played around with Nvidia control panel. It could be issues with the cable or issues with the TV or laptop. Have tried to only have the TV connected to the PC - have tried to dublicate screens - to extend the screen, using another HDMI port on the TV. These fixes will work for at least 90% of people. Solution Feb 6, 2025 · Is your monitor flickering on HDMI? Don’t panic! This step-by-step guide shows you how to fix flickering screens in minutes—no tech expertise required. Finally, your TCL TV screen flickers due to a damaged backlight. Doesn't matter if I game using my PC (4k@120), or hook up my Nvidia Shield TV or set-top box (for the record, these are plugged into the other 2 Jun 30, 2024 · Discover why your Samsung TV flickering and learn 10 solutions to fix it. The flickering only occurs on the TV, not on my PC. Moreover, also check if the HDMI ports on your TV are loose or broken. The freeze is so severe that none of the buttons respond, and I have to perform a hard reset of the PC. I have tried using CRU to set the bandwidth to 40gb for the tv. Here's what I tried based on other reddit threads: I tried more HDMI cables (4K 120hz, 48gbps). May 24, 2019 · I noticed that when an hdmi cable is connected only to my laptop, the other screen keeps flickering. 1 cable 5 meter (from pc to tv a Sony A90K 48" Oled). 0b capable HDMI port, routed through a 30ft new HDMI 2. I run an RTX3090 FE. 0b cable. ↓↓Amazon links↓↓ LG Magic Remote: https://amzn. We suggest you get a HDMI 2. I recently purchased an HDMI cable to use the TV for output from my PC. But we just got a new TV and switching to the TV from the PC (via an HDMI splitter) is causing the image from the PC to flicker. 0b ready) Hey, I have an LG C2 TV, which is connected to my PC. Try updating or reinstalling your laptop’s drivers and adjusting the display’s refresh rate to match your Aug 20, 2024 · I have a brand new HP laptop (14-ew1008ca) that comes with Intel Arc Graphics and a HDMI 2. The tv doesn't flicker, its the monitor and only when the tv is connected or when the tv has been connected. I've always had an HDMI cable running to my TV from my desktop for gaming and for some PC work. Rolled back drivers, no other issues but a black flicker accompanied by the little HDR signal in the top right corner when the display comes back. I’ve had these issues on various screens, and I’d love to guide you through the solutions. Another common cause is a faulty power cable. Problem is: The 4K monitor periodically flashes / flickers for a couple of seconds and also the sound signal is lost while doing so. Here are some potential fixes that might work: I had random black screens on my Sony A90K "48 Oled tv through PC done all i could update to latest NVIDIA drivers didnt work. There continues to be a few issues to be aware of when making the connection, but Aug 1, 2023 · Using an HDMI (High-Definition Multimedia Interface) cable is the most common way to connect devices like computers, gaming consoles, set-top boxes and Blu-Ray players to your TV due to its capacity to deliver high-quality audio and video. Try reconnecting the cables and/or adjusting the TV brightness. Ensure all HDMI cables are securely plugged into both the TV and the source devices. I use PC input on game mode. Sometimes it won't blink for hours. In this article, we will explore the causes of HDMI flickering and provide step-by-step solutions to resolve the issue. Some LED or fluorescent lights can flicker in an annoying way, or if you've got something on a dimmer switch it might also cause abnormal flickering problems. What else can I try? Apr 1, 2025 · 2. Let us know if a Sep 10, 2018 · Then everything is fine. I still think it's possibly a monitor issue since it's my Samsung monitor having it affected. 1 made by Monoprice. Any help would be appreciated. 4- I tried lowering the resolution to 1080p and the problem continues; 5- I tested connecting the HDMI Apr 1, 2025 · Fix Samsung TV flickering issues with troubleshooting tips to resolve screen problems and restore a clear, stable picture quickly. No issues through usb-c. Troubleshoot common issues and enjoy seamless HDMI switching. Aug 3, 2021 · Hello, I recently got home from working abroad, so when I came, I made my pc again to do the usual stuff like gaming and watching some stuff. When I connect the computer to the TV wit Oct 16, 2024 · Is the screen on your TV flickering when you turn it on? This issue can happen to various TV and smart TV models, including TCL, Samsung, and Sony. Mar 16, 2022 · I have the hdmi 2. Compatibility Issues: Certain display or Mac models may have compatibility issues with specific HDMI standards that can cause flickering. Everytime i do that, the screen starts flickering, turning black and coming back on again. Aug 14, 2018 · It used to be a bigger ordeal to connect a PC to a TV, but invention of HDMI and 4K TV’s, it is becoming simple. i wanted to connect it to my pc so i can enjoy the full hd features of the tv. The computer recognizes the TV. 2. HDMI cables transmit both video and audio signals from a source device (like a laptop, gaming console, or Blu-ray player) to a display (like a TV or monitor). Jul 9, 2024 · Master how to fix Hisense TV flickering with our guide. ht My screen keeps blinking black when I use the hdmi connected to my tv. 1440p 2K - 2560x1440 doesn't work at 60Hz- only 30 Hz in games a d that sucks!! ANY IDEAS? Now once I enabled Deep Color Dec 5, 2023 · I've been using a TV with my PC for a while now and I've been having nothing but problems with doing so. If anyone can help me troubleshoot a fix for this, I would absolutely love you. Keep in mind I also have Fix an LG TV flickering screen or flashing screen with this comprehensive video. It doesn't even flicker at 144 hz (just black screens), but turning it down to 60 causes it to slow the flickers down (altho it eventually gives up and black screens), and putting it at 23 (!) causes the flickering to If your LG TV has a screen that flickers and flashes, I have a few solutions that will fix your problem. I have a Samsung Series 7 tv (not anything fancy, no gsync or hdmi 2. Aug 20, 2024 · I found out the root cause is the "auto low latency mode" under the TV input > HDMI Mode setting of my 4K Roku TV. i connected my lenovo sl400 laptop to the tv using hdmi cable and after a while, the screen went black for a second and the Feb 25, 2024 · Causes of Flickering Cable Quality: Poor quality or defective HDMI cables may not be able to handle the high resolution and refresh rate of your monitor, leading to flickering. The signal intermittently drops out whenever I push it anywhere above 4K 60Hz. If I switched HDMI ports, I redid the other tests and so on. 4- I tried lowering the resolution to 1080p and the problem continues; 5- I tested connecting the HDMI Feb 15, 2025 · I am using a PC connected to my Samsung S90D TV via a USB-C to HDMI 2. 20 votes, 19 comments. It started off fine but after an hour there were flickers on the TV screen but not the PC. So, the tv is fine when hooked up to game consoles but will flicker inconsistently with the computer. Nov 17, 2025 · For 4K screens, pick a DP to HDMI cable 4k that clearly states it supports that resolution and refresh. Turns out my HDMI cable was bad. I've been getting flickering/blackouts on it non-stop via displayport. Jul 19, 2025 · Learn How to Fix Flickering When Switching Between HDMI Sources with our step-by-step guide. I tried new hdmi cable, turning off AI settings, my player and tv both have the latest updates. I have an LG C1 and my temporary fix has been switching to 4K 60, and going into windows and setting the OS to 60 too. I've used them for 1080 before and they worked fine. when trying to use it as a moniter i keep getting an issue where the screen turns black for a few seconds then comes back. May 27, 2023 · LG TV - Troubleshooting Poor Video Quality When Connected to a PC . Another place to look for the root cause behind a flickering screen is the devices connected to your 4K TV. When connecting, the Sony 4K TV asks what type of device is connected. Mar 25, 2023 · Hi! I have a TCL 75R617. So, get ready to reclaim your entertainment with the practical steps to […] Jun 29, 2020 · Hello, I am trying to connect my desktop computer via an HDMI cable to my new Sumsung Smart TV (7 series, TU7100 model). I'm sure that it's not the cable's fault. If "Gaming console" is selected, only 60 hertz shown in Windows Settings. But when switching the display settings in Nvidia Control panel to 3840x2160 at 10bit RGB Full settings I encounter weird display loss issues. THE RESOLUTION I purchased a Certified Ultra HD 8K HDMI 2. After a while (anywhere from 3 to 10 minutes) it just works properly, but today it started flickering again after working normally when I changed the volume. Does anyone have any other ideas or a solution? Jan 22, 2023 · There can also be cases when the cable connection is loose and the image starts flickering. Nov 28, 2024 · Monitors: Two different monitors (AOC and Xiaomi) connected to the PC The Problem: My computer completely freezes during various operations when changing display settings while outputting at 120Hz to the TV. May 23, 2024 · For years now I haven't been able to maintain a consistent 4K 120Hz signal when connecting a PC to a TV. It runs very smoothly and plays graphic-intensive games with ease but I have noticed some really distracting screen tearing when playing a select few games. You can fix these issues without getting a new TV by changing the settings, getting a new cable, using a different device, or ensuring that your cable is no longer than 15 feet. It recognizes it is a Samsung The iMac was connected initially to the BNC inputs and I would get random flickering. Feb 4, 2017 · The TV occasionally recognizes that the HDMI port is occupied by a computer, but it never puts the computer display on the TV screen. 21． Random noise / disturbance appearing on the screen when connected to HDMI 1) If random noise appears on the screen, it means that TV does not support HDCP (High-bandwidth Digital Content Protection). My graphics card outputs DVI (not HDMI), so I use a DVI-to-HDMI adapter and plug the HDMI cable into the adapter. 1 5 meter i had no more random black screens ANYMORE after 6 hour play time and next day 4 hours play time no random black screen so Nov 13, 2021 · I have the X90J connected to my PC via HDMI 2. With HDR on every few seconds the screen flickers black. to/3W0FmjP Replacement AA batteries Jun 30, 2024 · Discover why your Samsung TV flickering and learn 10 solutions to fix it. Find out how to diagnose the problem and troubleshoot the flickering screen on your TV. I have a Kogan 43" 4k TV (Series 9 XU9210). I'm running an MSI GTX 970 4gb graphics card and I recently bought a new Dell 27" 1440p 144 hz monitor. From the day I it arrived it's had black flickering at 4k60, 40k30 and 1080p60. Apr 2, 2017 · ARe you using the same HDMI cable with the XBox and PC?" Also, are you trying to run the PC at 4K resolution? Seems like a connection issue. Have raspberry pi4b TV is 4k Hdmi is 4k capable Is there an issue with (some) 4k codecs or do I need to configure something? Nov 19, 2024 · Screen flickering or stuttering on the Amazon Fire TV stick hinders the viewing experience. I use the 65" Q80R as a PC monitor I wonder if this kind of fuckery does anything on my TV. My laptop screen or LG monitored connected through HDMI does not Dec 11, 2022 · First pc display ive had with hdr and 4k, I was loving it, until two days ago. Lesson learned: 4K+ HDMI switchers are janky. Check all HDMI cables connected to your TV for any visible damage. Help 🙏. Sometimes, though, you might experience problems like a shaky or flickering screen or even losing the signal. Jul 22, 2023 · Basically i am trying to run my PC on my 55" Sony Bravia A80J in 4K at 120hz. Any ideas? Thanks a lot. HDMI Cable Inspection Faulty or loose HDMI connections can often cause screen flickering: 1. So I have this issue on my B1 where the picture disappears for 1-2 seconds. My 4K TV Flickers when using it with my PC So I bought an 4K Insignia Smart TV a while back, and I haven't ever really used it for gaming. 1 properly connected to the TV port which supports 4k-120 fps. Feb 5, 2025 · Swap Cables: Replace the cables with known working ones to rule out a faulty cable. I just purchased a Samsung series 6 4k smart tv. I bought a HDMI cable that at least is advertised to support HDMI 2. What might be the reason for this? Are there any settings I should change to stop this flickering? Help Library: LG TV - The screen is jittery when connected to the PC. Learn how to use, update, maintain and troubleshoot your LG devices and appliances. i have recently bought a 42 inch philips lcd model pfl5604. I'm trying to connect via HDMI my Samsung UE32SS5500 TV as a second monitor. TV is LG C2 4K OLED evo. Let it be a DVD player or a gaming console; these devices can make the screen of an otherwise healthy screen flicker Jun 4, 2023 · The PC sound is also going through HDMI from PC to AV receiver. My computer is a Ryzen 7 3700x Aorus elite wifi x570 with a Evga 3080 FTW3. I just upgraded from a 1070 to a 3070 last night I’m having the same issue. Mar 14, 2025 · Understanding HDMI Cable Functionality Before diving into the causes of flickering, it’s essential to understand how HDMI (High-Definition Multimedia Interface) cables function. After some troubleshooting, I realized the TV is blank as long as it’s is connected via HDMI Dec 31, 2021 · Hello. Details and stuff I tried to fix it/isolate the probelm: 1. Everything was like usual, set up my pc, keyboard, mouse, 2 monitors and TV. Usually, this is easily solvable – all you have to do is make sure that the cable is working properly and is connected to the TV properly. When hooking it up to HDMI port 4 on my Samsung Q90T it worked fine at first. VRR also had to be selected. Edit: it seems it is a HDMI cable, are you using any type of adapter, or an extension? Second is that almost half of certified cables are a crap shoot, in 4k 120hz VRR HDR 4:4:4 they have big signal loses (weird color flickers, black frames or flashes, or flickering dots) and even more so after 3 meters! Jan 31, 2019 · I am trying to pass a 4k/60hz/HDR signal from my computer to my TV using a newly purchased HDMI 2. That or your HDMI port on the laptop is a bit wonky. Here’s my TV: -65” Samsung KS8000 4K SUHD TV (2016 Model) -native resolution: 3,840 x 2,160 Dec 1, 2015 · Hello, My PC is based on Intel Core i5-4460 CPU with Intel HD 4600 Graphics. May 24, 2021 · I recently got a new PC with a 5900x and RTX 3090. Change HDMI Ports: Try connecting the HDMI cable to a different port on the TV to see if the issue persists. Monitors are connected through display port and tv - hdmi port. Let me know if you find a solution. The HDMI cable is brand new, and I tried all 3 HDMI ports on the TV. 1 with enhanced mode on, and my monitors are connected to my PC via displayports. However, I had to optimize the TV's input channel to "PC" for this option to appear. Unusable. Now the computer is connected to the new TV with a 10m hdmi cable that workes just fine with the old TV but maybe there is a problem because the resolution of the TV is higher. So I got a Philips The one 4K tv today and for some reason I just keep getting black screen flickering when on 4K and 120hz is… The TV flicker issue when using an HDMI connection can be caused by several factors. The five reasons behind this problem are an unsupported screen or graphic resolution, an outdated or corrupted display driver, a mainboard issue, broken joint or loose solder on the HDMI ports, an overscan setting problem or the Nvidia control panel issue. Apr 1, 2025 · 2. The issue is resolved May 30, 2025 · The flickering you perceive might not be caused by the TV at all, but by the interaction of the TV and the lighting in the room. 1 fix this issue? Oct 25, 2010 · Hi, I've connected my PC to a HDTV via a VGA lead. Refresh Rate Issue Cause: A mismatch between the refresh rate of your monitor and the settings in your computer’s display settings. Does anyone know what the problem is? Only thing that solved it was buying a £25 hdmi cable by Belkin off Amazon that Apple apparently recommends for Apple TV (I don’t have one, but it came up in numerous threads I found) I had tried 4 other cables that worked fine on ps4, Pc Etc but for some reason switch wasn’t having any of it, but that what worked for me. Jul 1, 2024 · Hello, I'm currently using my 77OLEDS95D TV as a monitor for my ROG Strix SCAR 17 (2022) G733 Asus Laptop via a Ugreen HDMI 2. The HDMI is connected to my Gigabyte G1 GTX 1080 through 2. Troubleshoot now! My pc did this when I used 4k 120hz mode on my tv. I've been trying to choose appropriate resolution and frequency via Intel HD Graphics Control Panel, but the Hey! I recently bought a Samsung UE49MU6105 and I have it connected to my PC. The TV never has this problem anywhere else, just when on the HDMI connected to my PC. 1 cable that provides higher data transfer speed and better performance. However, rthe TV screen is blinking. Our guide covers all causes and model-specific issues for a flicker-free experience. When doing 4k@60Hz over HDMI from my desktop, I get flickering/signal corruption and loss (annoying with HDCP off, but blanks the entire screen in an unusable manner at times with HDCP on). In SDR everything is fine. Dec 21, 2021 · 0 As with most video flickering or aberration issues, it was the overcomplicating setup, specifically the HDMI switcher. It works fine right when the cable is plugged in or right when the computer turns on, but if I turn off the TV, wait a few minutes, and turn the TV back on, the video output starts blinking randomly. My old Xbox One X always was able to manage 60fps on this tv no problem using the same amazon hdmi cable (again not fancy lol). This annoying flicker or stutter prevents you from fully immersing in your favorite shows. Troubleshooting done: I have tried different settings in Radeon Adrenaline including Free-sync settings and Frame generation etc. 1 cable to hook it up to my TV. I have: 1- I uninstalled the last driver released using DDU in safe mode; 2- Installed the latest driver version from last year; 3- I bought a high speed HDMI 2. . Nothing working at all. Upon booting up to play some games the LG screen would display picture but I'm getting constant white lines flickering or blocks of green/purple static flickering, or the screen flips back and forth to displaying nothing but black. Changing any display settings through Windows doesn't change the flickering at all. However, I've encountered an issue: whenever I activate Input Signal Plus or Game Mode, my PC freezes and displays a distorted image (attached below). And it was the stupid hdmi. Help Jul 24, 2012 · Got a 4K TV recently. 5 mins after that there was constant flickering so you could barely see what was being played. One of the primary reasons is the handshake issue between the TV and the connected device, such as a Blu-ray player, gaming console, or computer. When I ran the 50 ft 8k HDMI cable from my PC directly to the TV, everything was fine. When I connect my laptop to a 4K TV (Philips 50PUL7973/F7) that supports 4K UHD 4096 x 2160 @60Hz via HDMI using a 48GBPS ultra high speed HDMI cable (1. Jun 7, 2022 · 11 quick ways you can fix your Sony TV’s flickering screen issue right now. I hope it’s just a cable so I ordered a new HDMI 2. New comments cannot be posted and votes cannot be cast. You can try getting a replacement HDMI cable and using it. When it does flicker you'll see a distortion or what look to be artifacting during the flickering. When connected to my PC and HDR turned on through windows display settings (TV in game mode), it gives this weird glitchy effect. At 4k it seems to be happening every 10 seconds or Feb 7, 2023 · Your HDMI will flicker when the cable has been damaged, is too long, or the signal sent to the TV is at the wrong resolution. Try unplugging and reconnecting each HDMI cable. What causes this typically and what settings can I check on the TV and I have a PC connected via HDMI to my Samsung The Frame 43”. Read the full article Jul 21, 2025 · A TV with a failing power supply, carboned LCD ribbon, or other hardware issues may also exhibit consistent flickering. That's my story and I'm sticking to it. Some listings call it a DP cable to HDMI or DP HDMI cable, but the key is that it goes from a DP source to an HDMI display. The diagnosis and cure is pretty straightforward—turn off the lights and check if the TV still looks like Jan 9, 2022 · Sometimes your tv goes black when connected to pc and it can worry you very much. It’s incredibly frustrating. Also the HDMI cable I currently have works with 4k @120hx on my ps5 and even works with my AppleTV 4k with Dolby vision. hbmd pvo qbe gmyoh thxz urjnybe yrj gbcp zwtx zvhbo phyy bmnlx vimirvh mhh ymdtj