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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362
votes
7answers
357k 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 ...
160
votes
5answers
43k 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....
152
votes
15answers
189k 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 ...
151
votes
20answers
307k 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 ...
128
votes
6answers
204k 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 ...
117
votes
10answers
46k 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, ...
83
votes
5answers
69k 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 ...
73
votes
5answers
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 ...
72
votes
12answers
47k 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 ...
71
votes
9answers
68k 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 ...
60
votes
15answers
157k 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 ...
55
votes
22answers
196k 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 ...
53
votes
12answers
138k 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 ...
51
votes
10answers
195k 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 ...
51
votes
2answers
41k 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 ...
50
votes
9answers
14k 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 ...
49
votes
2answers
203k 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 ...
48
votes
6answers
87k 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 ...
47
votes
12answers
202k 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....
44
votes
8answers
49k 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 ...
43
votes
11answers
138k 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 ...
42
votes
3answers
110k 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 ...
42
votes
1answer
140k 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 ...
41
votes
3answers
42k 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 ...
37
votes
2answers
36k 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 ...
36
votes
7answers
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 ...
36
votes
5answers
55k 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 ...
36
votes
11answers
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....
35
votes
5answers
42k 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 ...
35
votes
3answers
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 ...
34
votes
11answers
48k 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 ...
34
votes
6answers
76k 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 ...
33
votes
9answers
172k 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 ...
32
votes
7answers
97k 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 ...
32
votes
13answers
57k views

MacBook Pro (2018) stopped detecting external monitor

My new MacBook Pro suddenly stopped recognizing 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 ...
32
votes
12answers
98k 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, ...
30
votes
4answers
338k 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 ...
29
votes
10answers
18k 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 ...
29
votes
8answers
53k 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 ...
29
votes
8answers
26k 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 ...
28
votes
5answers
24k 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 ...
28
votes
12answers
149k 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 ...
28
votes
2answers
8k views

Does the new Macbook Pro with Retina display have user-upgradeable RAM?

I'm interested in purchasing the new MacBook Pro with Retina display, but it's not clear from the tech specs page whether the RAM is user-upgradeable or not. Do I need to take into account future RAM ...
28
votes
4answers
12k 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 ...
27
votes
2answers
71k views

Screen brightness automatically adjusting in OS X Mavericks

I just downloaded OS X Mavericks for my MacBook Pro. I don't know if this is a unique problem, but the screen brightness is automatically adjusting on it's own. If I set it for about half the bars (...
27
votes
3answers
15k 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 ...
26
votes
2answers
32k views

Use clamshell mode without power adapter

One of the requirements to use clamshell mode is to have the power adapter plugged in. Is their any file modification or app that will work around this? Like to switch throughout the day from a sit ...
26
votes
4answers
10k views

Menu bar turns red on secondary screen

I recently updated to macOS High Sierra recently and noticed that sometimes there is a red bar/background over the right side of the menu bar, near time and Siri icons. This happens only on the ...
26
votes
3answers
10k 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 ...
25
votes
8answers
64k views

Turn off MacBook Pro's display while connected to external monitor on Yosemite

How do you turn off the MacBook Pro’s display with the lid open while using an external monitor on Mac OS X 10.10 Yosemite? All the previous methods—such as the one’s listed here—that have worked on ...

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