Questions tagged [screen-sharing]

Software that allows a remote user to see and/or control a computer.

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votes
2answers
15k views

Make one MacBook Pro use the screen of another MacBook Pro

I have two MacBook Pros: a 2011 17 inch and a 2017 15 inch; both have the latest macOS installed. Does anyone know if it is possible to make the 15" MBP use the 17" MBP as an external monitor?
4
votes
3answers
2k views

High Sierra root vulnerability: how to check if someone logged in remotely?

In macOS High Sierra, where can I find the IP addresses that logged in to my Mac through Screen Sharing or ssh? That would be useful in light of the recently discovered root login vulnerability.
1
vote
1answer
1k views

Start screensaver/ lock screen on screen sharing disconnect

Is there a way with an AppleScript or shell script to start the screensaver when you disconnect from a screen sharing session? For example, I connect via screen sharing from Mac A to Mac B. When I ...
2
votes
3answers
2k views

How to ssh and remotely manage GUIs on my iMac with Remote Login/Management?

I am having trouble being able to fully control my computer remotely. By fully, I mean being able to {manage files, access the terminal, access GUI, login} all while not allowing a local user to take ...
1
vote
1answer
1k views

How to prompt user confirmation on Mac from Windows/Linux VNC connections?

is there a way to ask confirmation from the user when someone try to connect via VNC from a Linux or Windows based PC to his Mac? I succesfully connected via VNC from Mac, Linux and Windows, without ...
2
votes
1answer
416 views

How can I use a single monitor when connecting to a multi monitor machine using Screen Sharing, VNC or RDP?

I have a mac desktop and laptop at work, and I keep the desktop up to date with tools, code, etc, so it's my main machine. When I'm working from home, I like to connect to my desktop since it's all ...
12
votes
3answers
16k views

Screensharing slow, even over gigabit ethernet

When I connect from my laptop to my server with Apple Screen Sharing, it is extremely laggy, even over gigabit ethernet. Files copy at expected speeds (~100MB/s) but Screen Sharing is terribly slow. ...
0
votes
2answers
6k views

Can't get Alt (Option) key to work while remote controlling a Mac from Windows with VNC

The setup: I'm using Windows 10, 8, 8.1 and 7 with a international keyboard, US keyboard, Windows keyboard, PC keyboard with VNC client TighVNC, RealVNC, UltraVNC to remote control a iMac, Mac mini, ...
2
votes
2answers
1k views

Apple Screen Sharing Only Controls One Display?

UPDATE: I figured out in part what is happening, but not why or how to change this behavior. When at the computer itself, Finder only activates the screen you are on when you click on the desktop(...
2
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0answers
27 views

How to use MacOS Screen Sharing to access second account on same machine [duplicate]

I have two user accounts, personal and work. I used to have two machines, a desktop and a laptop. Laptop had personal account, and I would use the work desktop with Screen Sharing to have both ...
1
vote
1answer
513 views

How can I prevent stuck keys when VNC into OS X El Capitan loses focus?

tl;dr: I'd like to avoid OS X thinking the [Command] key is being held down when I [Alt][Tab] away from a Windows TightVNC session, or at least get the [Command] key to auto-release after a period of ...
2
votes
1answer
2k views

Mac OS X Recovery Mode - Headless Access?

I have a Macbook Pro, which unfortunately the screen has died on. External displays do not work either. I can normally ssh and screenshare into the mac fine, but now need to repair the internal HD. ...
5
votes
1answer
29k views

Skype two way screen sharing

Is it possible to do two-way screen sharing on Skype mac? if I share my screen with someone, the other person is unable to share theirs with me (thought their camera works). Is this a Premium feature? ...
2
votes
1answer
36 views

Why do certain command key combinations not make it to remote screen sharing server?

Using MacOS 10.10.5 on a recent Macbook Air, I'm trying to use X-windows emacs on a remote Linux server via vnc. I have the Mac command key configured as the emacs 'Meta' key, and it works fine for ...
5
votes
0answers
550 views

Screen Sharing app can’t connect to VNC

I have a VNC server (a QEMU VM to be exact) that I want to connect to, but I am experiencing a really strange problem. My server is on [ip]:5905 (or [ip]:5). When I try to connect to this server via ...
3
votes
1answer
8k views

Share iPhone screen for MacBook wirelessly?

Is it possible to share the screen of my iPhone on my MacBook wirelessly?
3
votes
1answer
968 views

Install High Sierra using Screen Sharing

I have a headless Mac mini that currently runs macOS Sierra. I typically control this machine using Screen Sharing, which works fine even when rebooting a machine. I'd like to upgrade the machine to ...
0
votes
3answers
2k views

When Screen Sharing, why does the remote screen continually go black?

As an ongoing issue (for at least the past three major OS X versions), I find that when trying to remote to another machine using Screen Sharing, the remote screen gets painted completely black. ...
2
votes
0answers
391 views

Is there a Terminal command to verify macOS screensharing?

Is there a terminal command to determine if a screensharing session from a remote machine is not just initiated but also actively being viewed? Details: I have a background (Perl) process running on ...
1
vote
0answers
92 views

why can't I use macOS's builtin screen sharing to connect to a Windows machine running realvnc server

Can somebody please explain why I cannot use macOS's builtin screen sharing app to connect to Windows machines running the RealVNC server? I can only connect to them using the RealVNC viewer.
6
votes
6answers
871 views

How to share/broadcast the screen of the iPad to a distant computer?

I want to write on my iPad and that a distant user (in a another city) can see (in live) what I write on my iPad. Is it possible? I might use the app Nebo to write. So I was thinking: is it possible ...
2
votes
0answers
287 views

Modifier keys when working remotely are broken / lazy

I work a lot from home, using screen-sharing to control my remote Mac mini from my (local) MBP laptop, or my customers' machines using ARD (or even TeamViewer). Recently I've started having problems ...
1
vote
0answers
98 views

Is there any way to optimize the macOS Sierra Screen Share application when accessing a LINUX VNC?

Is there any way to optimize the macOS Sierra Screen Share application for a LINUX VNC? It's so much slower when compared to a connection from an iMac to another MacBook.
1
vote
3answers
2k views

Screen Sharing over internet on OS X Lion - cannot control remote machine

I'm trying to connect remotely to a family member's new MacBook Air from my own iMac. Both machines are running OS X Lion. I can connect to the files on the remote machine and I can see the screen of ...
2
votes
2answers
2k views

Copy from `OS X` and paste using `OS X Screen Sharing` to a Raspberry Pi

I have a Raspberry Pi which I access from my Mac using ssh and VNC (tightvncserver). I am using OS X Screen Sharing I want to be able to copy from OS X and paste into a GUI app on the Pi. (Copying ...
2
votes
2answers
3k views

Does macOS Sierra support multiple users simultaneously connecting to the same machine using screensharing?

Apparently this was possible with Yosemite, but I've never actually seen it in action, and I don't know if it has gone the way of Target Display and other cool features they've thrown away.
1
vote
1answer
336 views

Screen sharing turned off, but appears as “enabled”

I used this command to disable screen sharing: sudo launchctl unload -w /System/Library/LaunchDaemons/com.apple.screensharing.plist But when I try to confirm if it's disabled using the following, I ...
7
votes
7answers
26k views

How to Screen Sharing / VNC to an iMac without waking the display?

I have an iMac mid 2011 at home. When I was not home, I may need to access my mac with Screen Sharing. However the iMac display will turn itself on when I connect via Screen Sharing. The problem is I ...
0
votes
1answer
91 views

LDAP user VNC screen sharing suddenly broke. Other LDAP users work, local admin works

I have a Mac (macOS Sierra 10.12.6) with a local admin user, a local non-admin user, and many LDAP users. One of the LDAP users can't login via VNC anymore, but can login via SSH. The affected user ...
10
votes
3answers
10k views

Can I remote desktop to another user on the same machine?

On my work Mac, which stays physically in my work office, I want to keep my work stuff separate from my personal stuff by using two different user accounts. I normally stay logged in as the 'work' ...
3
votes
2answers
1k views

Hide all notifications when screen sharing

I'd like to never show ANY notifications if I'm currently screen sharing to prevent those awkward moments where I forget to disable them manually and run the risk of someone IM'ing me something ...
1
vote
1answer
12k views

How to disable screen sharing

I have some privacy concerns and would like to know how to disable screen sharing. I have tried turning of the WiFi but was then not able to use the internet.
13
votes
1answer
4k views

Is screen sharing under Sierra secure, i.e., a fully encrypted connection?

I'm trying to figure out if the screen sharing data is encrypted when I connect to my Mac at home from another Mac at work. I've seen a lot of questions and answers but I can't really find a ...
1
vote
0answers
51 views

Enterprise VNC client?

I'm a little new to Enterprise Mac management but have 10 years experience as a Mac tech. I am in charge of deployment of 3k + macs for a LARGE international corporation. We are using Casper Suite. ...
6
votes
1answer
12k views

How Do I Disable Remote Management and Enable Screen Sharing?

I am connected to a headless remote Mac Mini. Under Sharing in the System Preferences both Remote Login and Remote Management are checked though Remote Mangement is "grayed out". I would like to ...
2
votes
1answer
1k views

What iOS VNC client has the least lag?

I've downloaded VNC Viewer on my iPad. I have noticed that it takes about 10 seconds for the iPad screen to update, in order to reflect the current Macbook screen. This is on the lowest quality ...
3
votes
2answers
7k views

How to sync mouse pointer correctly in screen sharing when connecting to a Windows VM?

I am using the screen sharing application on a MacBook Air running OS X 10.9.3 to connect to a Windows 7 virtual machine on a different computer. Although the keyboard and mouse work in general (...
8
votes
2answers
5k views

Are the changes to Lion's screen sharing documented anywhere publicly?

I am looking for a general technical overview of the changes Lion brought to screen sharing (VNC). Specifically, the server now can differentiate and communicate the difference between dropping in ...
3
votes
1answer
1k views

Unable to share screen over iChat

I've been trying to set up iChat screen sharing between an iBook G4 and my MacBook (both running the latest Leopard) for some time now without success. iChat has been configured on both computers with ...
13
votes
1answer
20k views

How to change resolution when using screen sharing and no physical screen is connected?

We have a Mac Pro running Lion that ha no screen attached. It is set up so it can be accessed using screen sharing (VNC). It works with a 800 by 600 resolution. How can I change the resolution ...
7
votes
1answer
5k views

Black or displaced screen when screen sharing headless mac mini on macOS 10.12

My config: Mid 2012 Mac mini connected to a projector via HDMI. The projector is typically off and the Mac mostly works headless. This setup has worked for me for a couple of years now. Ever since I ...
1
vote
0answers
254 views

Connect to a projector from MBP via network

Is it possible to connect to a regular projector via network to present the screen? I have a Windows machine, and it quite simply can be done there. I just enter the IP address of the projector and ...
1
vote
0answers
195 views

How to enable hidpi pixel scaling in mac Screen Sharing app?

I'm using my mac's Screen Sharing app to connect to VNC (vino) on a linux mint box. The linux mint box has HiDPI (sort of like retina) pixel doubling enabled. The problem is the shared screen is ...
3
votes
1answer
82 views

RDP / Share screen bigger than actual size?

I am able to share my screen on my macbook pro from my iMac, however, I can only access the screen at the same size as it is on the laptop. Is there a way (like RDP on Windows) to be able to remotely ...
3
votes
1answer
173 views

Sharing GUI windows between Macs

I have two macs on the same local network. What I want to do is to ssh into one mac from the other and open GUI windows. I do not want to share the whole screen, just windows I open from the terminal. ...
1
vote
1answer
532 views

Why the weird lag in Screen Sharing app when using the LG Ultrafine 5K monitor?

Hardware: Late 2016 MacBook Pro w/ TouchBar LG Ultrafine 5K display Setup: Screen Sharing app connected to remote instance in the cloud Problem: Very slow response to keystrokes. There is no ...
0
votes
0answers
313 views

Using Screen Sharing app, all remote Mac screens appear pixellated

I've got a couple of Macs that I regularly screen share to using the build-in Screen Sharing app: A month or two ago, both started looking very pixellated when viewed — text is very difficult to read....
2
votes
0answers
434 views

Screen Sharing app hangs on “Connecting…”

I have a MacBook Pro (Retina, 13-inch, Mid 2014, running OS 10.12.1) and a MacBook Pro (15-inch, Late 2008, running OS 10.11.6) connected to the same home WiFi network. I am trying to use the Screen ...
1
vote
3answers
1k views

Screen sharing in OSX El Capitan

I have a 2012 Macbook Pro and a 2013 Mac Mini, both running El Capitan with all latest updates. The Mac Mini is "headless" as I use it as a media server. I connect to the Mini from the MBP using the ...
4
votes
2answers
190 views

Can I invite to share my screen with iOS user?

I have noticed Messages App in macOS has the option to share screen, I was just wondering if could use this to share my mac screen with user watching this on iPad/iPhone? I have tried this, within ...