Questions tagged [display]

Display tag helps people find questions relating to internal displays, external displays, network displays and anything that lets you see visually data, status or alerts.

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23 views

How to set refresh rate to 144 hertz on my MacBook air 2017 [duplicate]

I just got a 144 hertz Samsung monitor and I'm using mini display port to HDMI. Also, settings are set to mirror.
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Finicky external monitor with hobbled 2013 MacBook Pro

Hi so I have an early 2013 retina MacBook Pro that has very much seen better days. The lcd broke long ago due to a closing-the-laptop-with-something-still-inside accident; and because this was the ...
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Can I use two USB-C to HDMI/DVI cables to hook up to two monitors from my MacBook Pro (2017)?

I want to add a second monitor that is connected to my MacBook Pro. Right now I am using a USB-C Apple adapter which allows me to plug the HDMI to HDMI cable from the adapter to the monitor. I want to ...
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10 views

Triple Display: Left and Right Switch after Reconnecting Macbook [duplicate]

I have 2019 MacBook Pro for work. When in the office, I connect it to an OWC Thunderbolt dock which is connected to two monitors, giving me a Triple Display setup. Since the laptop itself is off to ...
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Multiple desktops break in weird way when plugged into monitor

I have spent a lot of time searching for answers to this problem but I have not found anything. I have an LG UltraFine 5K Display and a 2016 MacBook Pro running Catalina 10.15.7. The monitor is ...
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2answers
22 views

Use only internal display

I charge my Mac through an external display's using USB-C port. The external display has one another PC computer connected to it too. When the connected PC goes to sleep, my Mac's screen pops up on ...
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1answer
51 views

My practically brand new Macbook Pro 2020's screen elements are suddenly PINK

I've tried powering off and on again. No love. Same with resetting PRAM. It's even worse with Night Shift on. I need Night Shift on while working on detailed color projects at night, to save my poor ...
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4answers
921 views

How can 2020 16" MacBook Pro output to 2 displays that also get used by a PC? (See diagram)

I have a new 2020 Apple MacBook Pro with two Thunderbolt 3 USB-C ports on each side, and I have an old desktop Windows 10 PC with a GeForce GTX 970 graphics card that has 2 DVI outputs, 1 HDMI output, ...
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21 views

External monitor not working with Mini Display Port to Display Port adapter or cable

I just bought a Phillips 245B monitor with QHD (2560x1440) so I could run it in native resolution with my MacBook Pro (15-inch, Mid 2010) and its NVIDIA GeForce GT 330M GPU. Unfortunately with a Mini ...
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106 views

External monitor not working on full resolution with MacBook [duplicate]

I know this problem has been answered before, but I could not make any of the presented solutions work for me. I just bought a Phillips 245B monitor with QHD (2560x1440) so I could run it in native ...
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External display switches to lower resolution and I need to restart my MacBook to fix it

My setup is the following: macOS Catalina, version 10.15.7 (but this has been happening since before Catalina) MacBook Pro (15-inch 2019) AOC Q27P1 External display, connected via this USB C to HDMI ...
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Keynote uses my 3 monitors, how can I get one back?

I am using Keynote (10.2, latest for now) for presentations. I love to have one monitor for displaying the content, one for displaying the notes, and have one free for chats, monitoring Q&A when ...
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348 views

How to connect MacBook Pro (2020) to ultra widescreen monitor?

I have an ultrawide monitor that's 3840 X 1200. It works perfectly fine with my windows laptop. I now need to connect my work MacBook Pro provided to me, but under the list of resolutions (and ...
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1answer
39 views

Pin Application to Specific Screen

Is there anyway to pin windows that an application launches to a specific screen? As an example zoom launches two windows when starting a meeting one that for video and one with meeting information. ...
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245 views

2017 MacBook Pro - USB-C to Display-Port not working?

Recently purchased a USB-C to HDMI cable for my 2017 13'' MacBook Pro with 4 Thunderbolt 3 ports. All was working well until I plugged in my charger and I noticed the charging icon flashing on and off,...
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2answers
117 views

Dell E2720HS flickering as external MacBook Pro monitor

I have an MBP 2012 model. I have Dell E2620HS and connecting it with an HDMI adapter via the Thunderbolt port. It has been flickering as it comes on and off. I tried reconnecting cable but it didn't ...
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0answers
27 views

Mac OS upgrade probably caused screen problems [duplicate]

I have a Mac Mini 2018. I have a main monitor which is connected using the HDMI output, and a second monitor which uses a Thunderbolt port with a Thunderbolt-to-HDMI adapter. After working just fine ...
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1answer
256 views

MacBook Pro (13-inch, 2017, Two Thunderbolt 3 ports) dual UHD external monitor

I plan to run a MacBook Pro (13-inch, 2017, Two Thunderbolt 3 ports) with two external UHD screens 3840 x 2160 at 60Hz using a dock. My desired setting is: Screen: LG 27UL850-W-4K https://www.lg.com/...
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Triple external monitor on 13" Macbook Pro 2018

I've recently been given a 13" Macbook Pro 2018 by work so that I can work from home. Just to note I am completely new to MacOS, but have a lot of sysadmin experience on other platforms. I have a ...
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23 views

running macos Desktop with broken display on Linux laptop

is there an opportunity to run the Macos Desktop from my Macbook air laptop on an ASUS Laptop with a Linux enviroment on it .The problem here is,the display of my Macbook air is broken, so i cannot ...
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19 views

Macbook Pro not detecting Dell monitor - Catalina [duplicate]

I am trying to connect a 15-inch Macbook Pro 2017 to a p3418HW Dell monitor, through a USB-C to HDMI adapter (VTIN 4Kx2K USB-C to HDMI). The monitor shows: "No HDMI signal from your device". ...
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1answer
27 views

Resolution scaling and performance

When I put the scaling setting of my screen on setting 4 on the scale of "Larger Text" (1) and "More Space" (5), system report says this: Displays: PHL BDM4350: Resolution: ...
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1answer
183 views

MacBook Air 2020 - Unable to Connect to External Monitor

I have a Dell monitor which supports VGA - so I am using a VGA cable, VGA to HDMI adapter, and the USB-C Digital AV Multiport Adapter (Apple) to connect to my MacBook Air 2020 (running macOS Catalina ...
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47 views

Macbook pro 2017 - Second monitor is not full screen

I'm using the second monitor for my Macbook pro (not mirror, just as the secondary screen), but unfortunately, it's not filling the entire screen for some reason. I've tried almost everything but it ...
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23 views

Does MacBook Pro (2019) screen brightness change when you look at it?

I was wondering if MacBook Pro automatic brightness adjustment would adjust based on whether you are looking at it (also called attention in the iPhone I believe)? I noticed this when using my MBP in ...
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138 views

How to connect a Macbook Pro 16 to a high refresh rate monitor

I was recently looking to build a desktop setup powered by a 16 inch Macbook Pro (2019). My biggest quarrel with Macbooks are their 60hz refresh rate screens and lack of graphical power due to using ...
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32 views

How to remove monitors from list of sound output devices?

In my list of sound output devices I have MacBook Pro speakers Dell U2720Q Dell U2720Q My AirPods Pro Sometimes my Mac switches output device to one of the monitors. I don't know when but I guess ...
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1answer
51 views

Can MacOS scale 3200x1800 monitor?

I'm thinking about buying this but i'm wondering if MacOS can properly scale this for a crisp image. For example my 2018 15 inch macbook pro scales its build in monitor so it looks like "...
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23 views

Cursor disappears/behaves incorrectly on edge of external monitor

As I move my cursor to the right edge of the screen, it disappears. If I continue moving it to the right, it will reappear but when I click it registers to the right of the where the cursor is ...
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1answer
177 views

21.5" Late 2012 iMac | Display or GPU issue

I purchased used iMac over auction. The iMac seems to show no picture. Could this be the display pin issue or it has the like of faulty GPU? Since these iMacs don't have screen mirroring by default, ...
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1answer
17 views

Why aren't 2 external monitors working with MBP (mid 2014)?

So I have 2 external monitors; One is hdmi, the other is DisplayPort. I have a MBP mid-2014 model which contains 2 Thunderbolt 2 ports as well as an HDMI port. Theoretically I would have thought I ...
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7 views

Browse One Page On iPad and Different Page on External Display

Is there a way to browse a web page on my iPad screen, and then also show a different web page on a tv connected to the iPad through HDMI?
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164 views

Why is my mac stuttering / lagging every 2 seconds + USBC Monitor

I am having a weird issue. I was just connecting my new ultrawide monitor and now my mouse stutters every 2 seconds for about 200ms. (Rough feeling, not measurements done). This happens regardless if ...
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1answer
11 views

Slowdown and lost windows when connecting/disconnecting external monitor

When I connect my external monitor, my 2017 MacBook Pro (OS 10.15) will freeze or have severe slowdown for more than a minute. When disconnecting, I often lose windows that I can't recover through any ...
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14 views

Any Script to move windows from one monitor to the other

MacOS has an annoying bug that is completing a 10 year anniversary: If you have multiple displays, the contents of displays that are not the main one, are switched after coming from sleep. This annoys ...
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47 views

Macbook Pro 16" overheating external display and no scaling option

This is just with the monitor connected running in mirror mode, just one safer tab opened. This with the closed lid in clamshell mode running colder, but so tiny image at 2k resolution (or blurry at ...
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17 views

Issue with Secondary monitor attached to macbook pro/ air

I have following mac laptops MacBook Pro (Retina, 15-inch, Mid 2015) running high Sierra MacBook Air (Retina, 13-inch, Mid 2012) running Catalina I use Asus 24' monitor as external display with these ...
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1answer
32 views

Can you use a single thunderbolt port to power two extended displays in clamshell mode?

Looking at cables that split a thunderbolt port to two hdmi ports, they all say that for windows you can have monitors in ABC mode, i.e. both external monitors act as extended displays, but for Mac ...
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0answers
15 views

MacOS change display orders after restart

In the company, we have Samsung S24E650 monitors - for each MacBook Pro, we have connected two of them by different kinds of USB-C hubs. When we unplug the monitors and plug it again monitors usually ...
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28 views

Clamshell mode: MBP doesn't boot when USB-C external display is switched on

I have a Dell U2520D monitor connected with USB-C to my macbook pro 16' 2019 in clamshell mode. Before, when I switched the monitor on, the macbook booted like a charm. Now, I have to unplug/plug the ...
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1answer
179 views

Trick Mac into thinking it has an external display

I have a weird issue with my MacBook Pro. The screen flickers when NOT connected to an external display. Read more about it on this thread: https://discussions.apple.com/thread/251849352 Is there a ...
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17 views

Is there any trick to use a clamshell mode without closing the MacBook?

I would like to take the advantage of typing on the MB keyboard and using touchpad while enhancing the performance - by my logic, mirror displays, is more GPU intensive than clamshell mode.
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10 views

Make login screen show on external monitor without closing Macbook Pro

I have a 2019 Macbook Pro 16". I am trying to get the login screen to show on an external monitor but I do not want to close the MBP. Once I log-in then the external monitor is primary but I want ...
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46 views

iMac Boot with external monitor

I have an iMac 27" 2015 with dead display. When I boot the iMac, I hear the chimes and after minutes I try to rock the volume up to hear some and play the music. It works and giving the sounds. ...
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1answer
117 views

iMac 18,3 with dual external 5K monitor

I would like to run a iMac 18,3 (Radeon Pro 580, i7 4.2 GHz) with two external 5K monitors (LG 27" 27MD5KL). In Apple's description (https://support.apple.com/kb/SP760?locale=en_US) I found: Two ...
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3answers
403 views

How to tile windows without going into full screen?

Currently, if I want to tile two instances, I press the green button on the top-left and place the instance accordingly. However, each of the tiled instances always go into full screen mode. For a ...
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27 views

Why does System Preferences > Display > Arrangement show two displays?

I'm using a Mac computer for the first time. It is a Mac Mini 2012 with macOS 10.13 installed. I hooked up one monitor to the Mac Mini. Why does System Preferences > Display > Arrangement show ...
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116 views

Screen Sharing with the correct scaling/resolution with Retina MBP

I'm trying to use my 13in MBP (2016, 2560x1600) to remote into my Mac Mini that's connected to two 1080p displays, all over my LAN. Using the built in screen sharing, I'm able to do this with ...
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0answers
21 views

Incorrect external monitor detected

I was connected to a DELL at work before, and now my 16" seems to still think it's a DELL it's connected to, even though it's an LG with a different resolution. Rebooting solved this before and ...
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0answers
47 views

External USB-C dock monitor recognized by Macbook Pro 13 but not 16

I recently upgraded from a 2018 13" Macbook Pro (with touch bar, if that matters) to a 16" MBP. I've used a USB-C lapdock (HP elite x3 lapdock) as a portable external monitor for the 13"...

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