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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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424 votes
7 answers
430k views

Why does my dock keep moving back to my other monitor?

I have a larger, external monitor connected to my MacBook Pro and have arranged it such that the dock is in the external monitor (via System Preferences > Displays > Arrangement, by dragging the white ...
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  • 4,547
191 votes
16 answers
254k views

Is there a keyboard shortcut to move a window from one monitor to another?

Is there a free app that I can use to move a window from one monitor to the other monitor (assuming only two monitors) via the keyboard? I shouldn't have to use the mouse at all (e.g., for selecting ...
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  • 2,368
167 votes
5 answers
46k views

Task Switcher moves to non-primary display on Mavericks-Catalina

I'm running OS X on a computer with two displays that are not mirrored. One of them is configured as the primary display using the menu bar location in Displays System Preference, pre-Mavericks style....
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  • 2,003
166 votes
20 answers
344k views

Can I change the brightness on a secondary display?

I have a MBP with a secondary display. Is is possible to have the brightness keys (F1 & F2) change both the main display (laptop screen) and the secondary display (a VGA external monitor connected ...
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  • 35.6k
150 votes
6 answers
250k views

Keyboard shortcut to switch focus between multiple displays on OS X 10.9+

The fact that each monitor acts on its own in OS X Mavericks is pretty cool. However, I find that I have to use my mouse and click on the unfocused monitor before I can actually slide back and forth ...
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  • 2,433
137 votes
5 answers
75k views

cmd-tab behavior on Mavericks with multiple displays

I have a MacBook with Cinema Display, I have my dock on the MacBook screen side and my menubar is set to Cinema Display. In 10.8 this worked well, when I pressed cmd-tab to switch apps the task ...
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135 votes
13 answers
54k views

Remember window sizes and placement when unplugging and replugging second monitor

Here’s something that sucks: Plug in external monitor to laptop (Mac OS X Leopard in my case). Arrange your windows to have the IDE on one screen and browser on another. (Etc etc. Resize, rearrange, ...
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  • 1,478
90 votes
5 answers
77k views

MacBook unplugged from external monitor thinks it's still the Secondary Desktop

I've got a MacBook Pro 13" with Lion plugged into an external VGA monitor. Often, when I unplug its video dongle deal, the MacBook doesn't realize the other monitor is gone. It continues to believe ...
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  • 1,097
78 votes
12 answers
51k views

How can I stop my retina display from taking 2x sized screenshots?

I recently got a retina display MacBook, and all my screenshots (via ⌘ CMD+⇧ SHIFT+3 or ⌘ CMD+⇧ SHIFT+4) end up being twice the size compared to how they appear on-screen. For example, here is a ...
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74 votes
5 answers
24k views

How to choose on which display Application Switcher shows?

I always have a lot of applications open at the same time. In order to quickly switch between them, I use CMD+Tab shortcut. In order to switch even faster, I sometimes use CMD+Tab and then select the ...
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  • 895
72 votes
9 answers
72k views

MacBook Pro lock screen hotkey without sleeping?

I'd like to press a key combo to get my computer to the lock screen. In Windows the shortcut was Windows keyL. On Mac I press CMDALTPower which turns the laptop off and puts it into sleep. I want to ...
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  • 932
71 votes
17 answers
192k views

How do I turn off MacBook display when I have an external display?

I went through a similar question, but the answer was informing how to hide the monitor, but not how to disable it. I do not want any new windows to creep into the laptop display when the external ...
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  • 5,228
61 votes
23 answers
216k views

How to retrieve windows that have moved 'off-screen'

I have this problem sometimes with my dual-screen setup, especially when I'm juggling lots of things around. Occasionally I seem to be able to move a window entirely off-screen (I'm not quite sure ...
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  • 2,040
59 votes
8 answers
70k views

Scaling all UI elements when using an external monitor

When I use my Macbook Pro's internal monitor, I have the following options in the Display settings menu: The best thing here is the Scaled option, which means that I can use the native resolution of ...
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  • 702
57 votes
12 answers
159k views

Can I lower the minimum display brightness? How?

When working late, I'd like to lower the screen brightness further than the OS X allows in using the brightness keys. While you can use ⌥+⇧+F1/F21 to change the brightness in smaller ...
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  • 46.8k
56 votes
1 answer
181k views

Turn off the macbook main display while working with monitor [duplicate]

MBP 2015 13, 10.12.2 I want to use an external display via HDMI and turn off my Macbook Pro's display. How can I do it? Update There is another question: How do I turn off laptop display when I ...
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  • 1,337
54 votes
2 answers
218k views

How can I turn off a Mac's display without sleeping the Mac itself? [duplicate]

Possible Duplicate: Is it possible to put the display to sleep without putting the whole computer to sleep? I have an iMac, and sometimes I want to play some music over night, without the bright ...
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  • 1,538
53 votes
13 answers
189k views

How do I use only the external display with my MacBook Pro lid open on Lion?

Sorry for the wordy title, but my problem is thus: When I'm at my desk, I would like to use only the external display. With the nifty gestures in Lion, I have decided I would like to use the internal ...
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  • 22.3k
52 votes
3 answers
57k views

How to stop sound output switching to a monitor when it gets plugged in?

When I plug my (HDMI) display into my laptop, the sound output switches to it. I can switch it back, but is there any way to stop this automatic switch? (I've found many people complaining, but no ...
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  • 831
51 votes
9 answers
16k views

Unable to resize windows on split full screen in MacOS Mojave when using external monitor

I'm running MacOS Mojave on a 13" Macbook pro with a 4K external monitor (scaled to 2560 x 1440). When running two apps in split full screen mode it won't let me reposition the "split" which controls ...
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  • 735
51 votes
10 answers
196k views

How to connect two non-Thunderbolt displays to the Macbook Pro 2011 via Thunderbolt?

I have the VGA and HDMI adapters for my Macbook Pro 2011, but can only connect one display at a time - neither adapter has a female Thunderbolt connector to act as a passthrough. My understanding is ...
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  • 8,743
51 votes
2 answers
42k views

MBPr 2015, 2.5GHz i7 – Daisychaining 2 Dell U2414H 61 Screens [duplicate]

Marking this question as an already existing question is wrong as the other question refers to a Mid 2012 NONretina Macbook running 10.10.1 instead of 10.10.3/4 I think that daisy chaining ...
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  • 617
49 votes
3 answers
131k views

How to view monitor refresh rate in macOS?

I just purchased a Dell P2175Q monitor for my 15" MBP w/Touchbar. I'm connecting with a USB-C to DisplayPort cable, but when I go to Apple > System Preference > Displays, there is nothing about the ...
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  • 651
49 votes
12 answers
218k views

How do I prevent my MacBook from sleeping when downloading apps from the App Store

When I try to download large apps from the App Store whether on battery or AC power the displays turns off after time set and downloading also stops. The Energy Saver preferences are set to defaults....
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  • 491
49 votes
7 answers
122k views

How can I set an external display (monitor) as the primary one?

Currently the MacBook's display works as primary, so every application I open gets open on the 13" and I have to drag it to the 24". I also don't have access to the dock on my 24". Is is possible to ...
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  • 1,651
49 votes
6 answers
90k views

Can't plot with gnuplot on my Mac

I am trying to plot with gnuplot on my Mac (OS X 10.8.5). I have installed X11 and XQuartz 2.7.4 and after that I installed gnuplot, but unfortunately gnuplot couldn't plot. Simple plots like the ...
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  • 591
46 votes
12 answers
63k views

Fixing Night Shift incompatibility with external monitors

If you use an external monitor for your Mac of any shape or size and recently updated to macOS Sierra 10.12.4, chances are you've had some trouble with Night Shift. Common issues include: the ...
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  • 1,427
45 votes
6 answers
58k views

How to view current display resolution

How can I find out the current resolution the screen is running at, in OS X 10.10? Under settings -> display (which is where I think it used to be), it shows the refresh frequency, but not the ...
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  • 1,139
43 votes
15 answers
80k views

MacBook Pro (2018) stopped detecting external monitor

My new MacBook Pro suddenly stopped recognizing an external monitor (Dell U2515H) after 2 days of normal usage. Yesterday, after I was done with my work, I closed the lid as usual and today, I opened ...
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  • 531
42 votes
9 answers
74k views

How to quickly move mouse cursor between monitors?

I have two external monitors, positioned horizontally on each side of my MacBook Pro. When I am working in the far left or far right screens, I find it a little annoying to have to move the cursor all ...
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42 votes
9 answers
219k views

MacBook Pro detects external monitor but shows black screen

MacBook Pro 8,1 (13", i5 2.3Ghz) - when I connect an external screen through a MiniDP -> DVI adapter the Mac detects it (knows it's a Samsung SyncMaster and lets me change its resolution) but doesn't ...
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  • 423
40 votes
4 answers
21k views

External display not recognized after waking from sleep until restarted

I have a MacBook Pro (Retina, 13-inch, Early 2015, macOS High Sierra 10.13.6) which fails to detect an external display after is has woken up from sleep. (Update: Now running macOS Mojave 10.14.5 on a ...
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38 votes
2 answers
38k views

rMBP kernel_task spikes when connecting more than one external monitor

When connecting a second external monitor kernel_task spikes to 600%+. This makes the computer unusable. Before Yosemite, this worked fine with 3 monitors. Here are the specifics: When I connect ...
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  • 1,512
37 votes
9 answers
25k views

MacBook Pro high CPU with external monitors

I recently ordered two 4K monitors (LG 27UD88). I connected them using Mini DisplayPort to DisplayPort Adapter cable to my MacBook Pro. When I have the monitors connected, the CPU load is very high ...
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36 votes
7 answers
37k views

Can I get windows 7 like window resizing on Mac OS X? [duplicate]

Windows 7 has a nice new feature for moving around windows. The one that I am particularly interested in is: Windows Key + Left/Right : Move the window to the left or right of the screen, or over ...
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  • 361
36 votes
11 answers
29k views

MacBook Retina Display for coding

This is a question that could be better on Stack Overflow or Programmers, but I thought I'd try it here first. As a programmer, I need lots of screen real-estate for the IDE and files that I'm editing....
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  • 663
35 votes
5 answers
64k views

Move a full screen app to second monitor

In Mac OS X El Capitan, is there a shortcut to move full screen apps between monitors? My current method is first bringing the app out of full screen mode, then drag it to the second monitor and then ...
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35 votes
13 answers
122k views

External monitor flicker / signal loss

I have a Samsung 28" U28E590 4K Display and a 13" MacBook Pro with Touch Bar (Intel Iris 550 1536 MB Graphics). I have a dongle for HDMI output. The problem is that the external monitor flickers, ...
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  • 351
35 votes
3 answers
16k views

Yosemite auto creates multiple desktops (spaces) on main monitor

Since upgrading to Yosemite I've been having issue with OS X creating additional desktops on my main monitor for no apparent reason. I usually have 3 different desktops setup on my main monitor and ...
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34 votes
14 answers
191k views

My external monitor doesn't work at full resolution with my MacBook

I've got a MacBook Pro (Early 2015, OS 10.11.2) and I've also got a Dell 2209WAf monitor, which I'm using with a VGA cable and this adaptor. The monitor's optimum resolution is 1680x1050 @ 60Hz and ...
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  • 631
34 votes
6 answers
77k views

Does Thunderbolt support chaining multiple monitors to a MacBook Pro?

This has always been a big want for me. I love using multi-monitor setups but only want a single laptop. Does the 2011 MBP Thunderbolt support chaining multiple monitors together? I know that you can ...
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32 votes
10 answers
21k views

CPU usage is too high with Yosemite and an external monitor

I use Yosemite 10.10.4 on my MacBook Pro (2012). I used to work with an external monitor: Apple Thunderbolt 27" monitor. The issue is that, according to Activity Monitor, the kernel_task process ...
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  • 479
31 votes
3 answers
19k views

Can I prevent OS X from resizing and moving windows when sleeping while attached to an external monitor?

I have my Retina Macbook Pro connected to a ASUS 2560x1440 display via the HDMI port. I keep the laptop lid closed so the monitor is the only display in use. When I sleep my computer (via hot corners ...
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  • 567
30 votes
5 answers
27k views

Does Apple support DDC/CI for 3rd party displays via Apple's Thunderbolt to DVI adapter

I had a Dell 21.5" monitor, which was previously connected to a Windows PC via its DVI port, which has no problem with DDC/CI which allowed me to control brightness and Contrast of the attached ...
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  • 2,060
30 votes
8 answers
56k views

Connecting multiple screens to the 2016 MacBook Pro with Touch Bar

I'm thinking about buying the new MacBook Pro with 4 USB-C ports. I want to attach two screens, mouse and keyboard and ethernet to the MacBook Pro while using the fewest number of USB-C ports ...
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30 votes
4 answers
14k views

Can I move my Dock to the left side of my right monitor?

I have set up a two-monitor display, with my laptop on the left and my main screen on the right. I like having the Dock on the left side, but it's on the left of the left monitor, and as such it's too ...
user avatar
  • 411
30 votes
4 answers
344k views

How could i use an iMac as secondary monitor for a Windows 7 laptop

Recently (less than one year ago) i bought an iMac 21,5". Now i would like to use it as secondary monitor for my laptop. (My laptop runs Windows 7). Is it possible? (I found conflicting opinions on ...
user avatar
  • 495
29 votes
4 answers
59k views

Is there a problem with closing the lid of a MacBook Pro when using an external monitor?

I am using an external monitor and the only way (that doesn't involve jumping through hoops) to turn off the MacBook Pro monitor is to close the lid. Does closing the lid causes any problems? I have ...
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29 votes
5 answers
51k views

How do you force OS X to re-detect displays?

I use my MacBook at work and at home. Whenever I switch between work and home, every now and again I get bug whereby the Mac thinks an external monitor is still plugged in, even if it's not. This ...
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29 votes
8 answers
27k views

How do I make windows save their position on screen after re-attaching a display?

When I attach a second monitor to my MacBook, I drag many windows onto it. When I detach the monitor, all the windows move back onto my MacBook's display. How can I make it so that when I re-attach ...
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