Acer monitor macbook pro no signal. My Acer monitor powers on then displays "no signal" MMLYLAA0015260F08E8500. I plugged my monitor in via USB-C to my Macbook Pro and it worked right away. I can not do this if the menu does not display in any usable state. Jan 9, 2023 · Using the USB-C out of the macbook to the USB-C in of the monitor, source set to DP Alt mode, no signal. Reset your BIOS defaults. . Didn't work. In System Preferences (under display settings) it detects the display, but when I turn on the monitor it says "No Signal". power connecting ok, brightness ok), but it flashes HDMI 1, HDMI 2, DP and then shows No Signal Jul 12, 2023 · One of the most popular monitors on the market is the Acer monitor, and luckily, connecting your MacBook to it is a breeze. Upon doing so, a window showed up on my mac titled "Acer XF270H B" with options for display, color, resolution, etc. Follow these methods to get your display back up and running smoothly. But I have connected the HDMI cable to monitor & to Satechi adapter plugged into MacBook via USB3 - and it does not detect the monitor. Oct 8, 2025 · How can I connect my Acer monitor to my MacBook? Acer monitors are plug-and-play, and should automatically be detected when correctly connected to your Apple computer or MacBook. If the monitor still displays a "No Signal" message please contact Acer support. i’m trying to get my mini displayport to hdmi adapter to give a signal on my Acer h236hl, i’ve tried; updating graphics drivers & display drivers, uninstalling them and reinstalling them, turned off fast start up, switched Jan 9, 2023 · Using the USB-C out of the macbook to the USB-C in of the monitor, source set to DP Alt mode, no signal. Ran the Sonoma 14. I do not have access to any other device. Jan 18, 2022 · I have a 2020 MacBook Air (13"). thanks May 17, 2024 · If you are seeing a No Signal message on your Acer monitor then follow this guide to troubleshoot this issue easily. Get help with video issues on external displays connected to your Mac. Hi I recently bought a VG280K. Try another video cable if one is available. I have been attempting to connect it to an external Acer LCD monitor using an HDMI cable connected to a HDMI to USB C adaptor to connect to the MacBook. CONNECTING TO A MACBOOK PRO 15", operating Mar 7, 2018 · Hi, MacBook and MacBook Pro computers with the Kaby Lake chipset, 50% faster speeds on SSD, and faster graphics on the 15-inch MacBook Pro. Today, I tried to connect the monitor to my Macbook Pro using a new USB-C to HDMI cable I bought from Amazon. Connect your monitor to your Mac and power the monitor on. I am using this pot plant I mean monitor with a Macbook Pro. com Jul 5, 2025 · In this guide, we’ll walk you through step-by-step solutions to fix the Acer monitor no signal problem, whether you’re using Windows or macOS. You may need to use an adapter if your Mac uses a Mini DisplayPort, Thunderbolt,… Hello, I have been having this issue where when I try to use my Acer monitor with my macbook pro it does not connect. Jan 20, 2016 · To get this monitor to accept a signal from my device. I was able to connect with the HDMI cable but hope that the USB-C issue gets fixed because it was doing video and charging in a single cable instead of two. The monitor screen appears to be working correctly when it is initially switched on (ie. 5 update overnight and it no longer connects. Jun 10, 2019 · hi so i am using a macbook pro 2011 running windows 10 through boot camp. In this step-by-step guide, we’ll walk you through the process of connecting your MacBook to an Acer monitor, so you can enjoy a larger and more versatile display. I use a usb-c dongle to connect it to the monitor and my Macbook recognises a connection adds the external display, however for some reason my dell monitor stays on no signal. Test the monitor by connecting it to a different computer. Otherwise, the display will not be shown as present, and no data will be sent to the display. Jan 5, 2025 · I had a 5-year-old Acer monitor & tried to use it with my 2022 MacBook Pro. May 17, 2024 · If you are seeing a No Signal message on your Acer monitor then follow this guide to troubleshoot this issue easily. Jun 16, 2025 · If your Mac isn't detecting an external monitor, troubleshoot display settings, cables, and adapters with practical solutions to get it functioning again. I bought a new Acer monitor, the salesman assured me it would be compatible. Jan 2, 2023 · The Mac uses a system that reminds me of “Plug and play” to determine what display is connected, and what its capabilities are. The HDMI end configuration doesn't really match the Satechi port and doesn't fit all the way I plugged my monitor in via USB-C to my Macbook Pro and it worked right away. Having trouble connecting your MacBook to an external monitor? In this video, we’ll guide you through the best ways to fix MacBook not mirroring or not connecting to an external display via HDMI Jan 9, 2023 · Using the USB-C out of the macbook to the USB-C in of the monitor, source set to DP Alt mode, no signal. So, let’s dive in and find out why your Acer monitor says ‘No Signal’ and how you can resolve this frustrating obstacle. Mar 26, 2022 · Hello, I have been having this issue where when I try to use my Acer monitor with my macbook pro it does not connect. My external monitor Dell P2419H after a year of working fine with my Macbook Air M1 2021 all of a sudden does not recognise my Macbook's connection. See full list on setapp. Not that that should make a difference. Connect the monitor to a different video output on the computer if one is available. To get a Mac display to become active, you need the Mac to query the display, and the display to answer with its name and capabilities. I would recommend you use this article to help troubleshoot the issue. I have updated software. Oct 15, 2019 · Based on what you stated, it seems there is trouble with the external display recognizing signal from the MacBook Pro. "No signal detected" is generated Jan 18, 2022 · I have a 2020 MacBook Air (13"). Please can you assist? before I fill out my return card. The new MacBook Pro only has USB-C ports (Thunderbolt 3), The USB-C port on the Acer monitor won't power your MacBook, though it won't suck power from it either, since the monitor has its own power cable. Aug 5, 2025 · Learn the top fixes to the issues of Mac not recognizing external monitors on macOS Sonoma, MacBook only detecting one monitor, and DisplayLink not working. Aug 30, 2025 · What steps can I take if my MacBook does not detect an external display when I click ‘Detect Displays’? If clicking ‘Detect Displays’ doesn’t work, try turning your external monitor off and on again. I have its 3 ports connected to 3 different devices: - DP: Connected to a MacBook Pro - HDMI1: Connected to a PS4 - HDMI2: Connected to a Windows desktop computer Every time I switch signal to the HDMI2 port (the Windows desktop computer), the monitor displays a 'no signal' message and then… Apr 19, 2025 · Troubleshoot Mac external monitor issues with effective solutions to fix display problems, connection errors, and improve screen performance easily. May 6, 2024 · Whether it’s a simple cable connection issue or a more complex software malfunction, we’ve got you covered. j7k zieab phf1p izrj4uj bv gdl pbgu1 iifjv frgz hkibd