Displayport monitor keeps flickering. But starting last fall, the external monitor started to flicker on and off. In fact, the problem occur only in Displayport. May 4, 2025 · Discover why your monitor flickering randomly and learn simple fixes to stop it. Mar 24, 2025 · I've tried a few things to fix this issue: 1. Try disconneting only the hdmi monitor and see if the flicker continues. Has anybody had this same issue and were able to fix it? Jan 21, 2022 · I have been using this laptop since I bought it last spring, and I plugged in my external monitor to the laptop without any problems. Thankfully, most of the time this is caused by something relatively easy to fix – and we’re here to shed light on 5 main reasons why you May 12, 2020 · After connecting monitor with cable HDMI -> USB-C the screen on laptop flickers all the time and monitor displays nothing. Jun 12, 2016 · First, I thought it was freesync enabling that cause the problem. Applicable Brands ThinkPad ThinkBook Applicable Systems Applicable on following Intel and AMD generations: Intel TigerLake CPU (11th gen) or later Sep 11, 2017 · In a single external monitor setup, MST/DP 1. Not to black, but bars come across my screen (and the screen also makes a crackling noise when it happens). This immediately removed any monitor flickering on waking up the monitors, no more DisplayPort Handshake or black screens. This issue only affects certain monitors and is a result of an interoperability issue between the hardware used in the display and the docking station. But after disabling it I still got the problem. 1. When flickering, the screen turns black for a second, then shows picture. DVI and HDMI work fine. I’ve tried all different DisplayPorts on my GPU and still get the same issue. I'm running on a x570 Tomahawk, now on the latest Beta BIOS version (181) Archived post. It seems to be directly linked to the refresh rate and not bandwidth. 1080p 60Hz flickers a bit, while 1080p 120Hz flickers a lot. It’s completely fine with HDMI. New comments cannot be posted and votes cannot be cast. 2. It's a real pain having to connect and disconnet every time, but it's the only thing that works for me. I bought this screen for use freesync and max refresh rate but I can't 🙁 Anyone know similar issue? Sep 10, 2025 · Wondering why is my monitor flickering? Learn the common causes and easy fixes to stop screen flicker and protect your eyes. May 4, 2024 · I have a second monitor and I do not have the same issue on that one, small addon I just noticed for some reason if I open up a white screen on my second monitor the flickering seems to stop. Other settings to consider based on other tested work by Digital Foundry and other users: NVCP, Manage 3D Settings, Limit FPS YES and set to whatever your native refresh hz is - 3, so 144hz, set to 141hz. This is happening with more consistency on both my Dell XPS13 and MacBook, both of which are connected via Thunderbolt/USB-C making the dock is unusable. com The simplest way to solve monitor flickering due to DisplayPort version incompatibility: change DP version in your monitor settings or change your cable (if you're using a old/cheap cable) Nov 15, 2024 · From outdated drivers to faulty hardware, learn how to troubleshoot and fix the 'why is my monitor flickering' dilemma for seamless viewing. Again swapping video cables, especially for ones with magnetic ferrite ring on the cable, can eliminate this problem. When my desktop is off, I notice that every couple of minutes that my monitor flickers on with the blue displayport symbol on in the top left corner. After restarting computer during startup (ASUS logo with spinner) everything works fine - monitor and laptop both display screen properly. I thought it was the monitor first, then I thought it was the gpu, then I thought it was the driver. I tried turning off G-Sync. Does the monitor keeps any setting while the pc is off? Why did the flickering continue when the pc was disconnected? Symptom When connecting a ThinkPad or ThinkBook to an external monitor through DP or HDMI cables, the monitor may experience intermittent flickering or temporary blackouts. We have quite a few machines experiencing problems with external monitors flashing. Jul 15, 2023 · Monitor flickering, generally speaking, is caused by a disconnect between your computer's display drivers and your physical monitor. E7440 mDP out port --> U2414H mDP to DP cable --> U2414H DP in port The U2414H maxes to 1920x1080 60Hz, so you could also just use HDMI = E7440 HDMI out port --> HDMI to HDMI cable --> U2414H HDMI in port Hey all, Just wanting to gauge whether anyone else has ran into this issue with USB C Docks. I bought a new Ugreen DisplayPort cable, but the flickering persists. Hey i m wondering if a faulty displayport cable can cause flickering and weird display issues? I have HP Omen 27i (1440p, 165 hz, IPS, G-Sync Compatible), i dont think i have an issue with my video card (3060ti FE) Its pretty random and rare (maybe like one or two times per months) It often happens during first boot (bios menus) Also happens in windows desktop, NEVER in-game If i re-plug Jan 5, 2022 · Turning g-sync on/off doesnt affect the flickering either although Dell reccomended to have it on only in games that support it. Aug 21, 2024 · In an age where monitors showcase stunning picture quality, the last thing you want is for your visual experience to be ruined by annoying monitor flicker. 2 should be Disabled. See full list on howtogeek. These visual interruptions typically resolve automatically within seconds. Now I have no problems, I have 2 monitors + a Valve Index connected through DP, running at 120hz without flickering. Jul 17, 2023 · If DisplayPort DP 1. It may do this every 2 seconds or a couple times a day May 2, 2024 · If your second monitor keeps flickering and flashing randomly in Windows 11/10, try the workarounds in this guide. I was also using 2 separate power cables for the card and the latest Nvidia driver. If you set your display to 4K@60Hz and connect a display to the DisplayPort output on the laptop docking station, your display may flicker. 2 (I believe) cable. 3 or 1. Jan 29, 2019 · I have a similar problem, and in my case, the issue is the hdmi. Mar 14, 2024 · If your second monitor flickering on and off, maybe when gaming, on your Windows 11/10 computer, take a look at these settings. I have USB-C DisplayPort in my laptop so it should work fine. Generally it is the monitor on the HDMI input, though on some does it on both HDMI and DP. . I hope somebody knows what I can do to keep the screen off so it does not keep flickering on. Sometimes every half hour to an hour sometimes every 5 minutes. 4 monitor displays a blank or black screen, or flickers, use NVIDIA DisplayPort Firmware Update tool to fix the issue easily. Jan 30, 2021 · When changing my refresh rate to 144Hz, my screen starts flickering. To see what firmware you have installed, enter your OSD and go to "Support > Software Update" and you will be able to read what firmware is installed on the right in your OSD. With Displayport, 4k 60Hz flickers a bit, while 4k 144Hz flickers a lot. The screen is a: ASUS TUF GAMING VG27AQL1A (1440p, 144hz but i have it set to 120hz) I have it plugged in with a DisplayPort. I didn't find it too annoying at that time as it didn't happen that often, and it For the longest time my screen would flicker on and off randomly. If you have users complaining about displays randomly flickering it could actually be connected to people sitting on gas lift chairs. Jan 4, 2023 · The issues I am now again having are my DisplayPort-connected monitors (2) flickering and causing both my laptop and HDMI-connected screen (1) to also flicker and change screen orientation. All of my drivers are up to date. com The flickering with G-Sync issue was very common and can be fixed in your monitors OSD: Keep in mind you will need to run firmware 1009. 4 cable from Amazon. Solve screen issues fast! Mar 25, 2020 · I have a Samsung 27-Inch CJG56 144Hz Curved Gaming Monitor (LC27JG56QQNXZA). 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 almost entirely go away. It is only Enabled if you are daisy chaining to a second monitor via the first monitor DP (DisplayPort) out port. ONN 49inch 144hzultra wide screen 3840x1080 The screen flickering ONLY happens when using DisplayPort whether the screen is set to 60hz or 144hz. I discovered that if I disable G-Sync and enable Instant Replay + Display Capture, the flickering stops. It was connected via a CableMod DP 1. Yesterday I purchased a DP 1. View: https://imgur. I get those blackscreen when I play game, or even on desktop if I fix windows refresh rate to 120 or 144. 3 or newer. gtvk 16pm49t hyopw yden mmwu arbc zbm cn1ero onpre z1d06r