37
votes
macOS notifications on dual monitors: how can I specify which monitor?
In case you have mirrored displays and you have no notifications appearing on either screen, you might have fallen victim of the "DO NOT DISTURB - Enabled while mirrored" setting.
To change ...
- 531
25
votes
Accepted
Stop mouse pointer from sticking to the edge of display in dual monitor setup
There is no snap-to-monitor-edge feature or anything similar built-in into macOS Mojave (or any earlier release of macOS). You are using an external monitor with extended display mode. As described, ...
- 51.2k
10
votes
Make one MacBook Pro use the screen of another MacBook Pro
You can't physically connect the display of another MacBook (or any other laptop for that matter) to use it as an external monitor.
However, there is an app called AirDisplay that will turn any ...
- 98.8k
8
votes
How to show desktop files on both screens?
I'd like to do the same thing, but I haven't found a way. The best compromise I could come up with was to move the menu bar to my primary display. By moving the menu bar, I changed the display which ...
- 181
6
votes
Make one MacBook Pro use the screen of another MacBook Pro
According to this Apple web site, only the following iMac models offer Target Display Mode.
iMac (27-inch, Late 2009)
iMac (27-inch, Mid 2010)
iMac (Mid 2011-Mid 2014)
There is no mention of any ...
- 39k
4
votes
Stop mouse pointer from sticking to the edge of display in dual monitor setup
I have just accidentally also come across the problem of snap-to-monitor-edge. And the root cause was not related to any macOS feature but to the fact that when I was arranging my displays in System ...
- 41
3
votes
Accepted
Can I get stable 4K 60Hz with two external displays without MBP screen on? What about performance with MBP15 mid-2015DG
Can I get stable 4K 60Hz with two external displays without MBP screen on?
Your internal screen of your MBP being on/off doesn't factor into whether the MBP can support 2 external 4K displays
...
- 98.8k
3
votes
Accepted
Can Someone Explain Why These Scripts Work?
The smallest rectangle containing both "real" monitors is your virtual desktop.
The upper left corner of the monitor containing the menubar is the (0|0) coordinate. Moving rightwards and downwards ...
- 66.1k
2
votes
Can Someone Explain Why These Scripts Work?
More to add to what klanomath said than to attempt to provide another almost identical answer...
The value of the bounds property is returned as a four-item list of integers representing the area of ...
- 114k
2
votes
Use MacBook Pro as second monitor for iMac?
For newer computers with Retina Displays and macOS 10.14+, the best way to use another Mac, iPad, AppleTV, etc. as a separate monitor is with AirPlay. See Mirror or extend your Mac display
...
- 121
2
votes
Accepted
Keep dual screen active with MBP and iMac, after hibernation/sleep
You are probably best served by this app here:
https://github.com/duanefields/VirtualKVM
Download here: https://github.com/duanefields/VirtualKVM/releases
Basically "Automatically toggles Bluetooth ...
- 684
2
votes
How do I enable extended mode with dual monitors in OS X 10.11.6?
MacOS does not support DisplayPort MST which is required for extended desktop on daisy-chained displays. The hardware supports MST, which has been proven by people installing Windows on Apple ...
- 1,771
2
votes
Accepted
Dual-monitor – dialog boxes appear on "wrong" screen
If you open System Preferences - Display, then click on Arrangement, you will see a white bar above one of the displays. This is where the menu bar is and will be the primary display and probably the ...
- 152
2
votes
Accepted
Dual (DVI) monitor setup for MacBook Pro 15" (Retina mid-2015)
You'll want to purchase 2 mini-DisplayPort to DVI cables. Connect the DVI end to the monitor and the mini-DisplayPort into the Thunderbolt ports on the MacBook Pro.
- 76.6k
2
votes
How to use an old MacBook Pro as a display?
Unfortunately, Target Display Mode doesn't work on MacBook Pros. However, this thread here describes various ways to use the MacBook Pro as a screen. In a nutshell, it says to use a third party app ...
- 3,499
2
votes
Link Displays Between Two iMacs (Late-2015 Retina running Sierra and 2017 running Mojave) Using Thunderbolt-to-Thunderbolt
I'm afraid neither of those iMacs is capable of Target Display Mode
Generally it was iMacs between 2009 & 2014 that supported it, no retina iMacs were included.
See Lifewire - How to Use Your Old ...
- 114k
2
votes
Dual external display flickering issues with CalDigit USB-C HDMI Dock and MacBook Pro 2017
I had the same issue. I installed the firmware update and restarted.
So far so good, maybe it will help you as well.
https://downloads.caldigit.com/
- 121
2
votes
Dual external display flickering issues with CalDigit USB-C HDMI Dock and MacBook Pro 2017
I had the same issue and was able to get it working using the Windows Firmware Updater tool. Unfortunately you need a Windows laptop with a USB-C port to run the updater, there doesn't seem to be a ...
- 121
2
votes
What /lib files must be removed to allow access to the Desktop Preferences pane?
opening Photos app and right clicking a photo (that was an acceptable format) and selecting "set as background image" seems to have resolved the issue.
The Desktop preferences pane is now ...
- 121
2
votes
Mission Control - Multiple Screens, Zoom, Keeping One Screen Static
I need Mission Control to give me desktop options on one screen at a time.
Unfortunately, this is not possible.
Mission Control, by design, gives a “birds eye view” of all your open applications and ...
- 98.8k
1
vote
Windows resize on primary monitor when I wake up the computer. Dual monitor setup
So for anyone that might have this issue, in my case it was as simple as rebooting into safe mode.
I held down the shift key after the startup sound, released it when I saw the apple icon. After it ...
- 29
1
vote
External display doesn’t fill screen
Something is odd with the display - I expect you to have the traditional larger text / more space controls rather than a list of resolutions.
The resolutions are poor for controlling text size as you ...
- 232k
1
vote
Dual monitor: losing focus on terminal app when using cmd+tab
You can press CMD` to switch between windows of the same application.
This doesn't fix the root cause of the focus issue, but does allow you to select the correct Terminal window via the keyboard.
- 8,393
1
vote
VNC client like x2vnc
xQuartz is an open-source X windowing system for macOS. I managed to run x2vnc on my mac:
Install xQuartz.
Download x2vnc.
Within the x2vnc directory, run ./configure
Edit the Makefile to include X11 ...
- 11
1
vote
Using an iMac as a display for PC laptop in dual mointor configuration
The iMac will connect to a Thunderbolt port. (But no other.) Also, you can't 'daisy-chain' the iMac in Target Display mode to another monitor.
And the TB Display also can't be daisy-chained, but it ...
- 33.8k
1
vote
Dual monitor flickering: the secondary monitor does the flicker
Rebooting my MacBook with both monitors plugged in actually fixed the second monitor flickering issue. Yay.
- 11
1
vote
Macbook Pro lags when dual screen is connected
Try a different HDMI cable. Not all HDMI cables work well with Macs. Make sure that you get one of a decent quality, those are usually better.
- 4,150
1
vote
Make one MacBook Pro use the screen of another MacBook Pro
There's also regular AirPlay which is part of macOS Monterey now: https://www.macrumors.com/2021/06/09/airplay-mac-to-mac-external-display/
- 137
1
vote
Can I use my 1st generation iPad ans a second screen for my Mac Laptop
I think you will run into problems trying to do this with a 1st generation iPad, as most software I've come across to achieve this sort of thing requires iOS 7 and a 1st generation iPad can't ...
- 64.3k
1
vote
How to show desktop files on both screens?
This worked for me to move the dock at the bottom of the screen with icons from one screen to another (not the folders though): Move your mouse arrow to the very bottom of the display where you want ...
- 19
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