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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How do I move a maximized window from one monitor to another?

I am new to macos and I am not able to move maximized windows from one monitor to another. Is it possible in mac? I am using macOS Big Sur, Version 11.3.1.
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Where are the overscan and underscan values stored in MacOS Monterey [duplicate]

The overscan / underscan values for external displays have moved in MacOS Monterey (potentially earlier). They used to be editable in /var/db/.com.apple.iokit.graphics. As mentioned in this question (...
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Macbook pro 16 inch does not recognize Samsung Ultra Wide LC34H890WGRXEN

When I first bought my ultra wide monitor everything worked as it should have. But one day I broke my stock USB-C cable that came with my monitor. Meanwhile I have tried several USB-C cables but my ...
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VGA from Mini DisplayPort not working on 2015 MBP

I have an LG monitor, that has VGA. I tried to connect it to my 2015 13' MacBook Pro but it doesn't show anything ("no signal from D-sub"). First I thought the adapter was broken, but I ...
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Shortcut / Siri Command for iPad as second monitor

I have a MacBook Pro and an iPad Pro. To turn on the iPad as a second monitor, I have to go to Apple Menu > System Preferences > Displays > Add Display (dropdown) > Select iPad Is there a ...
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2 votes
0 answers
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How to make an app window extend vertically between two monitors fully with separate Spaces off?

I use a monitor arrangement that incorporates two monitors in a vertical alignment, eg, this is a segment from System Preferences → Displays that shows how these two monitors are arranged: (NOTE: I ...
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Cannot wake up MacBook Pro display using the "Wake on LAN" feature

I am trying to use the "Wake on LAN" feature to remotely turn on the display of my MacBook Pro running Catalina. I have confirmed that "WoL" feature is working properly and the MBP ...
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Having display problems with my external screen (Macbook Pro M1 to LG Ultrafine for Mac)

I'm having this weird problem with my MacBook Pro M1 connection with an LG Ultrafine for Mac external display. I'm using the Type C to Type C connection. It used to function fine, but now I can't use ...
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Why is it called mini-LED instead of mini-LCD? [closed]

As far as I know,there are no LEDs(light-emitting diode) in mini-LED screens, but there are LCs(liquid crystal). So, why don't Apple call it mini-LCD?
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Make external monitor the "Main Display" after turning on "Display have separate Spaces"

I want to turn on "Displays have separate Spaces" (mainly because I have heard that this can deal with the lagging issue). However, once I turn this option on, the Menu Bar on top and the ...
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2 answers
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Is there a hotkey to instantly change the monitor to a specific brightness?

There are too many scales on brightness. Apple even allows users to press Shift+Option+F1/F2 to fine tune at a smaller step. However, I want to take a giant step. I want to press F1 to jump to 25% ...
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Wireless mouse very laggy when using external display

I have a new MacBook Pro and whenever I'm using my external wireless mouse, the pointer is extremely laggy. Anecdotally, this only appears to happen when the external display is also in use; when ...
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DisplayPort over Thunderbolt 2 to DisplayPort over USB-C?

Is Thunderbolt 2 compatible with USB-C specifically with regards to video functionality with devices that support DisplayPort through the connectors? Will a Dell S2722QC monitor's video functionality ...
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External monitor cannot be set to 4K resolution

I have an LG 4K monitor that used to work fine at 2160p connected to my MacBook. I tried connecting my android phone to the monitor to test it. Since then, whenever I plug the monitor into my MacBook, ...
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1 vote
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How can I prevent my M1 Max from forgetting which windows / desktops are on which display?

I have a 2021 16" M1 Max with 3 external displays. One display is plugged directly into the left side of the laptop. The other two displays are plugged into this OWC hub (OWCTB4HUB5P), which is ...
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How to connect two monitors to M1 Mac Mini using a Thunderbolt Dock?

I'm trying to find a solution to switching external monitors between an M1 Mac mini and an Intel MacBook Pro by replugging a single Thunderbolt cable. Equipment Two Dell U2720Q/U2720QM monitors (...
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Using more than 2 displays on the M1 Pro

I have an M1 Pro MacBook Pro which can reportedly support up to 2 external displays. According to Apple: [The 14" MacBook Pro supports] up to two external displays with up to 6K resolution at ...
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External Monitor Sound Volume Slider AND auto switching

I just switched from an iMac to a MacBook 14 inch. I've swapped out my iMac with a Samsung HDMI monitor with a speaker, and it plays sound correctly. However, the volume slider is disabled. I could ...
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Spaces desktop missing when turning off external display, how to get them back?

My Macbook Pro (Big Sur 11.6) is connected to an external display and I make frequent use of multiple desktops, distributed among the Macbook and the display for convenience. Now, when I disconnect ...
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Macbook Pro Display Corruption

My Macbook has recently been having intermittent display corruption issues. I ran the hardware test by rebooting and holding D at startup but no error was detected. Any idea what the issue is or what ...
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1 vote
1 answer
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Macbook display blank after opening the lid

This has happened several times. The Macbook is connected to display with usb-c cable and after unplugging the cable I try to open the lid, the display appears blank and no matter what I do, it stays ...
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2019 16" i9 MBP w/CalDigit TS3+. External monitor blanks out intermittently after upgrading to the latest minor Monterey release

At seemingly random times, the screen goes black for a couple of seconds. I can still type and when the screen returns whatever I typed is there. One thing I've noticed is that when it happens, the ...
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Is there an app that lets you swap all open windows between monitors?

I use a separate monitor for each of my sitting and standing desks. I would like to know if there is an app that can swap all windows between the monitors when I transition between the desks.
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After wake from sleep, windows moved from desktop on external display to desktop on MacBook display

After my MacBook wakes up, I find it's moved all the windows from the desktop on the external display, to the desktop on the MacBook display. This is extremely annoying. I understand completely that ...
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2 answers
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How to fix blurry fonts on external monitor (M1 Mac Mini)

I previously had a HP U28 28" 4k monitor hooked up to it which worked fine. Now I've changed to a LG 32GN600-B 31.5" 2k 165Hz screen due to me also gaming on it with my Windows machine and ...
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4K 60Hz - on Macbook Pro 2015, 15"

I've read many articles saying that you should use a Thunderbolt 2 (MiniDP) to Display Port connector. However, the monitor (Dell S2722QC) does not have a Display Port connector. I was wondering if ...
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Transform old MacBook Pro monitor into external monitor

I just took apart my old MacBook Pro. I want to build from the screen an external monitor. I know I need a controller board but I don’t know how to find the good one. Here’s a picture of the back of ...
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How to diagnose too many kernel panics on a 2017 21" Retina iMac running Monterey

This on a 2017 Retina 21" iMac Running MacOS 12.4 The day before I installed 12.4 I had a kernel panic. The day after I installed it I had four kernel panics in rapid succession in the space of a ...
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Preview and Safari show images at double size

When I open images in Safari or Preview, then view them at actual size, they are shown at twice size. I want them to show at actually actual size -- that is, where 1 pixel in an image corresponds to 1 ...
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2 votes
0 answers
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Get MacBook Pro M1 to consistantly order 2 identical monitors

I have an M1 MacBook Pro. I have two 27" HP E27u G4 monitors each connected directly to it via USB-C cables. Every time the Mac sleeps (turns off the displays?), when I wake it up it will ...
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Stop Mouse pointer sticking - snapping when going from Macbook to External Screen above

In the picture the Red line is where my mouse sticks. it has a snap to grid like feel. it does not stick at the other external monitor boundary just the top of the mac screen. and only when 2 displays ...
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2022 high kernel_task CPU usage with external monitor reaching to 1000%

I set this to 2022 since there is a historical nature to this issue. I cannot seem to find any specific articles that seem reasonable. The problem is with using an external monitor with the MacBook ...
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Connecting Intel 13" MacBook Pro with 27" 1440p monitor by HDMI

I have 13" Intel MacBook Pro (2020) Two Thunderbolt 3 model. Now I want to buy a 27" 1440p monitor. I also have Apple USB C Multiport Adapter (HDMI version). Will I get 60Hz with it? I heard ...
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Accessibility options for both external monitors on MacBook Pro M1

I am using a MacBook Pro M1 2019 with a Dell D6000 docking station. I have two monitors plugged in to the docking station and use DisplayLink Manager to "extend" one monitor, i.e. the two ...
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Post Flexgate - 2017 Macbook Pro screenless setup: How can I connect a monitor to the internal graphics port?

Is there a way to connect a flex-cable or interface card to the mac's internal display connector to branch out HDMI or TB? It would save a lot of time and preserve GPU power for the screens that are ...
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`Turn display off after` changes to default automatically

I set the Turn display off after in System Preferences -> Battery and System Preferences -> Power Adapter to Never. But it changes to 5 min on its own. MacBook Pro 2019
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2 answers
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Can my Macbook (Retina, 12-inch, 2017) be connected to two monitors at the same time? (Through one USB-C port)?

I would like to connect my Macbook (Retina, 12-inch, 2017) to 2 screens simultaneously. I've seen people using two Multi-Ports/Adapters/Hubs connecting them to 2 different USB-C inputs, but I only ...
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1 vote
0 answers
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M1 Mac Mini monitor has gone to sleep and I can't wake it up

M1 Mac mini (M1, 2020), with 2 Lenovo L22e-20 monitors. I left the Mac unattended for 10 minutes, when I came back, 1 monitor is still on but the other has gone to sleep. The one that stays on is ...
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Change display arrangement in OS X/macOS programmatically using USB-C/HDMI port number

Every time I turn my computer from sleep the display arrangement changes randomly. I have tried all these solutions from this post but they don't work for me because the persistent/contextual IDs keep ...
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Screen turns off with weird artifacts if any window except the terminal is open

I've had this problem with my Macbook Pro 13'' 2017 (A1708) for around 2 years now and have been using it with an external monitor. Everything works fine except for its built-in screen. When I turn ...
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External monitor shows colors not right

I got a new extra-wide display. Unfortunately, my MacBook is not right configured to the monitor. The colors on it seem too bright, lacking contrast and color. I made sure that the issue is my MacBook ...
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Use MacBook as a second screen for Chromebook

I have my MacBook M1 as my personal laptop, and I have a Chromebook as my work laptop. I don't really like the trackpad and keyboard of the Chromebook so I wish to use my MacBook just for the display, ...
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Can my Macbook (Retina, 12-inch, 2017) output 4K resolution content to my TV/Monitor via a HDMI cable?

I have a MacBook (Retina, 12-inch, 2017) and obviously my screen resolution is not 4K, but what I'd like to know is if that limits the ability to stream my screen at a higher resolution on a higher ...
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MacBook Pro M1 13" macOS Monterey can't set external display as main display

In the display settings, I tried to drag the menu bar from the laptop display to the external screen, but it doesn't seem to have any effect. How can I resolve this issue? Thank you!
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Can the iPad Magic Keyboard with Trackpad steer the MacOS mouse cursor when iPad is Extended Display for Mac?

I have the iPad Pro (12.9" 3rd Generation) running iPadOS 15, and an Intel Mac Mini running MacOS Monterey 12.3.1 (latest versions per of this writing). The iPad Pro is connected as Extended ...
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My secondary monitor behave like main monitor even it is in extended mode

I'm using Mackbook Pro 2016 13 inch. I recently changed settings of a live wallpaper app called iwall, which were settings for displaying live wallpaper on secondary monitor and change lockscreeen ...
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How do I determine external monitor color bit depth (8 vs 10) in macOS 12 / Monterey?

The framebuffer depth statement is gone from "System Report". I can scan through the output of system_profiler and find the section for my external display where it says "ColorElements&...
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third monitor doesn't display until restart

I'm using my MacBook Pro in clamshell mode with 3 external monitors attached via HDMI to Lightning / USB-C dongles. Generally, this works pretty well, except whenever I disconnect all the monitors to ...
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How do I restore the high resolution in my external monitor with the MacBook Pro?

I plugged in an extra high-resolution display — the likes of which we might have used in the 90s with a tube monitor but have been very difficult to come by lately. When I plugged this display into ...
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MacBook Air M1 and weird text rendering on Samsung S49A950U ultrawide

I'm running Samsung S49A950U from my M1 Air at the native resolution via USB-C cable. No issues with the resolution itself (5120x1440) or the frequency (60Hz). Using USB-C to DisplayPort gives me ...
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