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.

724 questions with no upvoted or accepted answers
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9
votes
2answers
12k views

Dual monitor flickering: the secondary monitor does the flicker

I am experiencing flickering with my dual monitor setup. The nature of the flicker is "on/off", i.e. the screen gets completely black for a split second (sometimes a few seconds) and it goes back on. ...
8
votes
0answers
4k views

Font rendering on external display broken in Big Sur

The best example I have of font rendering problems introduced by MacOS 11.0.1 Big Sur is with iTerm2. This screenshot shows the window as it appears on the MacBook Pro (15-inch, 2018) Built-in Retina ...
8
votes
0answers
5k views

Is there a Mac-native equivalent of xvfb for running on a headless Mac server?

I'm attempting to automate some tests of a GUI application on a headless Mac. I'm able to run theses tests from the terminal on a desktop Mac, and there's no issues and they run as expected (without ...
8
votes
1answer
6k views

Macbook doesn't display on external screen until after I log in (Yosemite). How to fix?

I have a macbook pro (mid-2011) and an HP Pavilion 22bw (prob inconsequential) connected via a Thunderbolt DVI Adapter. Ever since installing Yosemite, I now need to open the macbook pro and log in ...
7
votes
0answers
4k views

Can't wake up Mac-connected display when in clamshell mode

My setup is this: MacBook Pro TouchBar Late 2016 (15'') a Dell P2415Q display, connected via USB-C → DisplayPort cable External keyboard, mouse, connected wirelessly (through dongles/hub/then usb-c ...
7
votes
1answer
2k views

How to enable “larger text” scaling slider on a 2k monitor?

I have a Mac Mini (late 2014) connected to two Dell U2515H monitors, which have 2560x1440 resolution. Problem: everything (macOS UI elements) is too small at this native resolution. I was able to ...
7
votes
3answers
2k views

Can retina display features be enabled on older (non-retina) displays?

I have an older iMac, without a true retina display. I want to be able to scale the user interface like the retina macs do, but I can't seem to find a way to do that. Does anyone know a way to trick ...
6
votes
1answer
2k views

Change Screen Resolution for Mac Built-in VNC (Screen Sharing)

I am attempting to connect to a MacBook Pro from a Mac Pro with a 2560x1600 monitor using the built in screen sharing client. I would like to be able have the connection fill the entire screen, but ...
6
votes
0answers
15k views

Monitors don't show up in Display Arrangement preferences

I have two external monitors on my MacBook Pro 2015 15" and I was doing an adjustment on the display arrangement yesterday when suddenly the displays on the arrangement tab gone. I tried already: ...
6
votes
1answer
480 views

Is there a way to mirror to HDMI display on FileVault login screen?

I have a MacBook Pro Retina & Mavericks, with FileVault 2 enabled. I also mirror to an HDMI display, but it doesn't show anything on FileVault 2 login. This is an issue, because I'd like to get a ...
5
votes
0answers
705 views

Why won't my Macbook Pro exit closed-clamshell mode?

I often connect my MacBook Pro to external monitors. When it's plugged into power, I can close the lid and it turns off the MacBook monitor and goes into closed clamshell mode, no problem. But it ...
5
votes
0answers
628 views

Why don't my windows move back in Mojave?

I have a MacBookPro9,2 and an external monitor at my desk. Sometimes I unplug everything from the MacBook and carry it somewhere else awake with the lid open. I'll come back to my desk and plug it ...
5
votes
0answers
726 views

Macbook Pro 2018 blurry output on external HP Z23N display

I'm on a MacBook Pro (15-inch, 2018) with Mojave (10.14). I'm trying to connect my MacBook to an external monitor (HP Z23N) through HDMI + Apple's usb-c adapter A1621 EMC 2877. The connection works ...
5
votes
0answers
3k views

MacBook Pro does not recognize audio from usb c external monitor

I have a 15" MacBook Pro 2017 running High Sierra 10.13.5. I use 2 external monitors, one at home and one at work. MacBook won't recognize output audio device from monitor when I plug it in. It ...
5
votes
0answers
7k views

Use built-in iMac camera on display connected via Thunderbolt

I've got a 27" iMac connected via Thunderbolt using Target Display Mode. It all works fine. I am wondering if there is a way (hack or otherwise) to activate and use the built-in camera from the iMac ...
5
votes
0answers
1k views

2016 MBP External Monitor Black Screen USB-C to DisplayPort

I have a 2016 MBP running 10.12.6 with an external Dell 24" (P2415Q) monitor in my home office. At work I have a Dell 27" (U2717D) and a Dell 24" (U2415). At work the U27 is connected DisplayPort to ...
5
votes
0answers
1k views

Modifying the Menu Bar

TL;DR I'm attempting to locate the system files/variables responsible for drawing the menu bar in Sierra, so that I can tweak the color and opacity, and would love any information you might have on ...
5
votes
0answers
3k views

After High Sierra, weird colours appear when waking up MacBook Pro

I'm coming from reddit where they suggested me to post here. There seems to be many users with the same issue. Using a 13" MBP Early 2015. After updating to macOS High Sierra I see weird colours for ...
5
votes
0answers
220 views

Keyboard shortcut to move fullscreen app to second display

Is there any way I can set up a keyboard shortcut to move full screen apps (i.e., desktops) between my main display and my external display in OS X 10.10? I know about tools like BetterSnapTool, but ...
5
votes
1answer
6k views

HDMI Display failure on Mac Mini (late 2012)

I have a late 2012 Mac Mini running OS X Mavericks (10.9.5). When I hook up two displays to the Mini (one Thunderbolt, one HDMI) it will configure and work properly for a time. After 1-2 hours, or ...
5
votes
0answers
2k views

Is it possible to have an iMac maintain target display mode even through sleep/screensaver

I want to be able to make it so that my iMac doesn't exit target display mode until the thunderbolt cable is pulled from my Macbook. I love target display mode in theory, but every time I lock my ...
5
votes
0answers
392 views

Dual screens: one monitor switches to desktop, window appears on other monitor

My computer is behaving oddly and I would like to know if someone else has this issue too (if so, it's a bug) or that I am the only one (in which case there is probably a quick solution). Let's say I ...
4
votes
0answers
167 views

Cannot drag entire Desktop to an extended monitor on Mojave

I have several application windows open in one of the desktops on my MackBook Pro (late 2016) running Mojave 10.14, and my work requires me to use extended monitors. Whenever I wanted to move a ...
4
votes
0answers
455 views

2560x1440 @ 60 Hz HiDpi on a MBPr 13" Late 2013

My setup: Late 2013 13" MacBook Pro Retina (MBPr) Dell P2715Q (4k) monitor Connect the MBPr with the monitor using a mDP-DP cable SwitchResX shows me the following resolutions: I tried the ...
4
votes
0answers
2k views

Serious usability issues with HDMI external displays connected to USB-C adapter on Macbook Pro 2016

The Apple USB-C HDMI adapter has a very non-intuitive behaviour that makes it difficult to work with. Tested with LG 24MP88 LED monitor and Macbook Pro 2016 with MacOS High Sierra Case 1: Display is ...
4
votes
0answers
121 views

Is it possible to disable/enable a current model iMac's internal screen at will?

TL;DR As far as I know there is no way to easily disable/enable an iMac's internal display at will while simultaneously powering up an external display. Can anyone suggest a solution to achieve this ...
4
votes
0answers
417 views

Retina scaling options gone when rotating display

I have a Mid-2014 15" retina MBP with an NVIDIA 750M running 10.12.5. I am outputting to a Dell P2415Q via an mDP to DP cable. When the display is in landscape (standard) orientation, I get a nice ...
4
votes
0answers
517 views

When USB-C external monitor sleeps, it cuts connections to its USB hub (late-2016 MacBook Pro)

I have an LG UD88 monitor, which is 4K and connects over USB-C to my new MacBook Pro. I love it—except for a couple of issues, one of which is that when my MBP puts the display to sleep, any devices ...
4
votes
0answers
2k views

Unable to set 1440x900 resolution to external monitor

Today I connected an external monitor whose native resolution is 1440x900. However, my Mac (Retina 13) doesn't allow me to set this resolution. I already tried pressing the Option Key the same time I ...
4
votes
0answers
536 views

Interface Scaling / Independent Resolution per Application on MacBook Pro Retina

I have a MacBook Pro Retina and I run it on the unsupported/non-HiDPI 2560x1600 to be able to work on multiple windows at the same time. This resolution increases the DPI allowing a large screen real ...
4
votes
0answers
927 views

My monitor doesn't sleep if my mac is connected via HDMI: who's at fault?

I have a MacBook5,1 running 10.8, and an Asus VW246 monitor. I connected it to the monitor using a "MiniDisplayPort->DVI(f) adapter" + a "DVI(m)-DVI(m) cable". Now I've bought a single "...
4
votes
0answers
308 views

Multiple monitors get mixed up

I am on OSX Lion, with a MacBook Pro. I am using the DisplayPort for an external monitor and two USB Diamond BVU195 for two extra monitors. Each time when I turn my computer on, the two monitors get ...
4
votes
1answer
749 views

Have a Mac mini hooked up to two screens, but can't rotate one, only both of them

Having a little problem with my Mac mini. I have two monitors set up with it, and they are working fine as a dual monitor setup. However I want to rotate one so it is in portrait mode but when I ...
4
votes
1answer
364 views

Screen brightness decreases when I middle-click

I have a logitech wireless mouse hooked up to a macbook pro running 10.7. Whenever I middle-click the mouse button, the laptop's display brightness decreases. It behaves just as if I had pressed the ...
3
votes
2answers
799 views

Pale colors on external monitor with MacBook Pro M1

Yesterday I received my new MacBook Pro with the new M1 Chip. So far I'm really amazed! But there is one point: On my external display (LG 27UK850) the colors, especially black, are really pale. Black ...
3
votes
2answers
256 views

Proportional Mouse Movement across Multiple Monitors?

I have a MacBook Pro 2018 with Catalina (1920x1080px) and a 2nd external monitor (3440x1440px) arranged as below in Displays. I understand that there are scale options to change the resolutions but I ...
3
votes
0answers
75 views

2018 Mac Mini no longer sending video or audio to TV via HDMI

I have a 2018 Mac Mini connected to a TCL Roku TV (43S403). There used to be no issue using the TV as a monitor, but recently, whenever I go to the input for my Mac it says "No signal (is it on?)". I'...
3
votes
0answers
146 views

MacBook Pro can't get more than 2048 x 1152 on my QHD Dell monitor through Mini DisplayPort to HDMI adapter (4K capable)

Short story: My MacBook Pro (Retina 13" Late 2012) can't run 2560 x 1440 on new QHD monitor (Dell S2719DM - Only has HDMI ports) through a 4K Mini DisplayPort to HDMI adapter. Why and how to fix? ...
3
votes
0answers
2k views

Issue with WiFi and MacBook Pro when connected to external Monitor

I have recently been having issues with my WiFi connection (on both 2.4 GHz and 5 GHz networks) when my laptop is in clamshell mode and connected to an external 4k monitor. I use a USB-C to HDMI ...
3
votes
1answer
1k views

ASUS Touch Monitor and Mac OS 10.13

I have on my desk an ASUS VT229, a multitouch monitor. I attached it via a docking station to my MBP (HDMI + USB port for touch recognition) and it works well with Windows (7 & 10, running in my ...
3
votes
0answers
2k views

How to stop iPhone from automatically dimming the brightness?

I have unchecked Auto-Brightness under Settings app → General → Accessibility → Display Accommodations. I have also disabled Night Shift under Settings app → Display & Brightness. I have Low Power ...
3
votes
0answers
590 views

External display often does not wake up

I have a "mid-2012" MacBook Air 13" running Mojave 10.14.4 Since around Sierra or High Sierra time I have had a problem where frequently my external display does not come on when I plug it in or wake ...
3
votes
0answers
718 views

Can window focus with multiple displays follow the mouse on macOS?

I'm a new MacOS user and some things disturb me as it was more convenient on Windows. One of them is the following: on a dual screen set up, I have to first click the second monitor for it to take ...
3
votes
1answer
2k views

Dual monitors waking from sleep very slow?

I have 2 EIZO screens via Thunderbolt/Display port connected to my MacPro (2013 cylinder). One day I press a key and the screen comes on straight away after sleep, the other day it can easily take 20-...
3
votes
0answers
116 views

Intel HD5000 graphics driver renders late-2013 MPB display unresponsive

This problem has been bugging me for a while now and I'm not sure what to make of it. When AppleIntelHD5000Graphics.kext gets loaded up the display freezes wherever it was. This usually happens right ...
3
votes
0answers
219 views

Apple Cinema Display 30” black screen

I recently found a really nice-looking 30” Cinema Display in the trash at work, and I want to see if this thing is salvageable. When connected to my Macbook Pro, the LED lights up and the computer ...
3
votes
0answers
80 views

Mac splitscreen (not dual display)

I have a Macbook Pro 2012, and I want to split the display in two. I don't want to set up a dual display though. I want a cloned desktop on the same screen, so that it's the same image on both sides. ...
3
votes
0answers
25 views

Icons on menu bar redraw at each monitor change

I have an issue with my setup that drives me nuts and is more and more annoying. I have a 4 displays setup and each time I change of monitor most of the icons in the menu redraw and introduce lag ...
3
votes
0answers
19 views

How can I create a shortcut to restore my MBP screen to a specific brightness?

I've recently calibrated my MBP's display and my LG 5K 27" display at home. When I'm on the go, at school for example, I would like to be able to raise or lower my screen brightness without screwing ...
3
votes
0answers
18 views

On-Board Display Issue with Weirdly Inconsistent Symptoms (Late 2016MBP)

Late 2016 MBP, MacOS10.13.4, Radeon Pro 460 4096 MB Over a week ago, my inbuilt display stopped working. Specifically, only the top quarter inch worked. After a few reboots and connecting/...

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