Screen Share without Mouse

In mountain Lion, screen sharing from home MBP to office iMac. I turned off the wireless mouse before leaving the office to save battery life. In screen share I cannot move the cursor. Is it because iMac thinks it has no mouse, and won't recognize remote signal? How can this be remedied? I'm just trying to close programs and shut down iMac. Any help would be great.

I have since upgraded to Mavericks on both machines, and the problem persists even with a 'wired' mouse. I'm simply unable to control anything from the screen share app. Then I went into my sharing section of the system prefs and noticed that the screen sharing was being controlled from the Remote Management service. Apparently it routes the screen sharing feature through Apple Remote Desktop, which doesn't seem to work for such things because once I disabled the Remote Management service and turned on plain old Screen Sharing service, bang! I had control in my screen sharing again.

Similar Messages

Screen share without authorisation?

i wandered if i could screen share from my mac mini upstairs without running up there to click the ok screen share pop up window. i'm using the same ichat login on each machine. (other machine macbook pro)

http://docs.info.apple.com/article.html?path=Mac/10.6/en/14065.html

Screen Share without sound(・・?

what to do if i really want to hear the sound too ?

http://docs.info.apple.com/article.html?path=Mac/10.6/en/14065.html

No Video via HDMI or screen share from MacMini

Hello,
I've had the following setup for over a year now without any problems:
MacMini <HDMI> Denon X2000 AVR
Sony Blue-ray <HDMI> Denon X2000 AVR <HDMI> Sony 55" TV
Cable Box <HDMI> Denon X2000 AVR
Since I don't have a keyboard or mouse for my mini I've setup "Screen Sharing" so I can login from my MacBook and control it as needed.
Everything was fine until a few days ago, I switched inputs from my Cable box over to the Mini and there was no video. I tried "login in" to my mini via my MacBook and I can't see the desktop, it's just a black box. I can however see the 3TB USB 3.0 drive that i have attached to my mini and have access to all my files.
So to recap my Mini starts up, power light comes on, makes the startup sound but I get no video on my TV or in "Screen Share" from my MacBook. I do however have access to my files on my Mini via my MacBook.
Has anyone had this situation before? I've checked all the HDMI cables by taking the one from my Cable box that is working and plugging it into the Mini to no avail. I've also restarted the mini multiple times.

I've got a 2011 Mac mini.
Since I don't have a keyboard or mouse for my mini I've setup "Screen Sharing" so I can login from my MacBook and control it as needed.
Same here! I've been using Screen Sharing to use this mac mini since I purchased it in 2011. I've never had a monitor hooked up to it.
Everything was fine until a few days ago, I switched inputs from my Cable box over to the Mini and there was no video. I tried "login in" to my mini via my MacBook and I can't see the desktop, it's just a black box. I can however see the 3TB USB 3.0 drive that i have attached to my mini and have access to all my files.
A few days ago I connected my 41" Samsung TV to the mac mini using an HDMI cable. Since doing so, I can still connect to the mac mini and browse the mac mini's file system in Finder (Desktop, Applications, Documents, Movies, Music, etc...) but when I click Share Screen... with that mac mini via the Finder (as I've successfully done for years) it just hangs, and eventually I get the message "Connection failed to mac mini... Please make sure that Screen Sharing (in the Sharing section of System Preferences) is enabled on the computer to which you are attempting to connect. Also make sure your network connection is working properly."
So to recap, the only thing at all that's changed on that mac mini was plugging in the HDMI cable to the television. And now I cannot use Share Screen with it.
For what it's worth, I did hard reboot the mac mini and was able to successfully Share Screen. But after going away for most of the day and coming back, now that I try to Share Screen I again get the error message I pasted above.
Any help would be really appreciated. I don't want to have to reboot my mac mini just to Share Screen for a couple hours every time I want to use it.
Edited to add: while I can't Share Screen to that mac mini any more since plugging it in to the tv with the HDMI cable, for what it's worth I can still control iTunes using the Remote app for iOS. I doubt that's too relevant but adding it here just in case.

Mac Mini drops out of "Shared" status in Finder of iMac - can't screen share-

I have a 27 inch mid 2010 iMac (with the WiFi problem fixed) 10.8.2
I also have a new 2012 Mac Mini. 10.8.2 + OSX Server (no monitor or keyboard/mouse)
(Both are connected via WiFi to a FIOS - Verizon/ActionTec MI424WR-GEN3I router.)
Randomly, the Mac Mini dropps out of sight to the iMac -- i.e. it no longer shows up in the "Shared" section of the Finder and, consequently I can no longer "screen share" with it.
However, OSX server continupus to serve up web pages as expected -- I can ssh into the Mini from the iMac with no problem (i.e. IP connectivity is fine). My Epson WiFi printer and my son's XP based PC show up in the "Shared" section of the FInder. Only the Mac Mini is missing.
At that point, the only way I know of to get the Mac Mini visible again is to do a "sudo shutdown -r" and viola it reappears in the Finder on the iMac.
Is there some other way to get the Mini to show up in the Finder of the iMac?
Is there some kind of "wake-up" command I can send from the iMac to the MIni via ssh?

Looks like half of the issue is answered... The WiFi in the mini DOES support WOL, as does the iMac.
However, the basic problem still remains --
The Mini is NOT sleeping, but actively running as a server 24x7 -- web and mail (I run my own domain) -- and I can log in to the mini via ssh -- but it is NOT visible as a shared device in the Finder on the iMac, and I cannot use screen sharing. Since the mini has neither keyboard nor monitor, I have to remotely reboot it via ssh - i.e. "shutdown -r" to get it to re-appear so I can screen share.
The timing is an isue. This "disappearence" seems to happen infrequently and irregularly, but has happened twice since I acququired the Mini on "Black Friday," not quite 30 days ago. If it were a simple "sleep" issue, I would have expected it to happen "hourly" or on some such frequency.
So, since WOL does not appear to be an issue in and of itself, I suspect I'll have to try to find out if "Shared Screen" is an "Advertised Service" via BSP.
Your link to http://superuser.com/questions/306651/wake-macbook-on-wi-fi-without-airport-extr eme is providing a lot of pointers. Now to spend some serious "Google time."
Since I'm working with the Verizon/ActionTec MI424WR-GEN3I router (FIOS), which seems to handle all of the various protocols without issue, I may have to dig out my old Airport Extreme.
Now retired, I sold my old 4 story Victorian and moved into a one-floor one-bedroom, and don't need the multiple routers I used to run to inorder for WIFI to cover the house. Sigh.
And to think "I thought" I retired from the world of System Administration
I have a query in to ActionTec to see if they have a configuation Option I have not "deciphered" which will deal with the WOW issue.

How can I use screen share of my mac mini? Problems validating

I recently purchased a mac mini to act as my home media server for audio as my airport express was not playing nicely with my Peachtree DAC. Anyway, I have set up sharing on the mac mini and can't figure out how to connect from my wife's Macbook, or her iPad. (I use a PC, so would welcome advice if available on how to connect across platforms as well.) My goal is to set up the mac mini without a monitor or keyboard connected to it and have it sit with our main stereo.
I am able to connect to the mac mini via my wife's macbook IF I ask for permission and I grant it from the mac mini. However, I am unable to connect no matter what I try if I try to log in as a registered user. I have tried to add her as a user to the mac mini, I have tried to log in as a guest, and I have tried to log in with a password but no matter what I try, I get an authentication error when I try to log in as an authorized user. For more clarity, here is what I have tried:
1. Added authorized users on the mac mini. I created a user name for "jeff", "maureen", and "lastname_maureen" on the mac mini and provided a password for each user. "jeff" and "maureen" are just created on the mac mini, and "lastname_maureen" is the user name of my wife's computer. I confirmed the passwords, and still am unable to connect. I have allowed any user on the network to access screen share, and no matter what I do I get an authentication error. Again, if I attempt to log in from my wife's computer by asking permission, it works fine but I can't figure out how to set up an account to login. Please help. Thanks!

Have you tried connecting one to the HDMI output, and another to the Thunderbolt port (with the appropriate Mini DisplayPort-to-other connection adapter as needed)?

CAN'T SCREEN SHARE! TRIED EVERYTHING! PLEASE HELP!

My girlfriend just got a new Macbook and I've been helping her set it up across campus though our network at my university. It worked fine and then one day it didn't. Every time she asks or I ask to share her screen it gives this error to both of us:
"Failed to start Screen Sharing because: Screen sharing could not be established."
I've been reading discussions on how to fix this for 2 weeks now and nothing has seemed to work. What is weird though is that I can screen share PERFECTLY with my Uncle who lives in Wisconsin (I am in Arkansas) from campus. However, I can't seem to connect to my girlfriend's computer who is simply just a few buildings away.
The following is what we've tried:
1. Switch from wired to wireless network
2. *Set "System Prefs>Quicktime>Streaming" to "1.5 Mbps T1/Intranet/LAN"
3. *Set "iChat Prefs>Audio/Video>Bandwidth Limit to both "500" and "None"
4. *Both computers have a firewall set to "Allow all incoming connections"
5. *When #4 didn't work we set firewall to "Set access for specific services and applications > iChat.app set to "Allow incoming connections"
6. Rebooted both Macs
7. Deleted all com.apple.iChat.X.plist files and started over fresh
8. *Enabled "Screen Sharing" in System Prefs>Sharing
*Restarted iChat afterwards
I think that's all. It is just really frustrating because I can screen share with someone clear across the nation but not someone who is on my same network. The only difference is that she is using a Gmail account through AOL and I am using a @me.com address. I thought maybe Gmail wasn't working so I had her switch to an AOL account and still same error.
We cannot port forward for obvious reasons at school but it worked before and nothing on the firewall has changed. I work at the IT department at our university and spoke with the person who runs the Firewall and supposedly there are no blocked ports on the part of the network we use. I know with iChat 4 in Leopard it doesn't use a specific port, it bounces around until it finds one according to article regarding port forwarding and NAT routers and iChat.
The weird part is that when we are both off campus (different houses) and try it, Screen Sharing tries to start, she gets the big words across her screen ("Screen Sharing Started" I think...) and we can hear about 5 seconds of audio and then it errors out again. I really want to get this working can someone please tell me how? This is really frustrating.
Thanks,
-jg

Hi,
First off from reading this it should be an AIM valid name (@mac.com, AIM or @me.com) to AIM valid name or
a Jabber valid name (which includes Googletalk valid Gmail IDs) to another Jabber valid name
(that is both should be using the same type of Buddy list)
As you say the Apple Doc on this is not clear on the Screen Sharing part - listing only the changes to the AV ports compared to the Previous Doc (Now article HT1507). It does not mention the Screen Sharing at all.
Reading around suggests the Screen Sharing is based on Apple Remote Desktop and reading the com.apple.ichatAgent.plist with QuickLook shows a reference to a ARD link/process. (the same can be seen if you install Developers Tools from the Install disk which will give you Property List Editor which will open the .plist files).
The Article TS16929 (Previously Doc 106439 shows that Apple Remote Desktop uses port 5900 and 5988.
Having said that though I run Little Snitch, an application that monitors and reports which IPs and Ports and application is trying to use. This shows me a completely random port in the 15xxx range along side the AV port 16402 for the Audio component. It maybe that Apple Remote Desktop also moves to a random port after it has established a connection.
Most people fail on the Audio part and get the standard Log Pop up screen to send or not to Apple - BUT you clearly have the other message...
"Failed to start Screen Sharing because: Screen sharing could not be established."
.... which is unrelated to the Audio part.
This would clearly put things in to the realms of a firewall or setting issue with possibly modem/router or LAN features getting in the way. (Leaving aside ISP related things for the moment).
You say iChat is in the Allowed Specifics List in the Leopard Firewall.
You say that nothing has changed on the Campus Firewall and can connect Off-site form On-site so it would seem not to be there.
On this last issue, check if they have introduced a Streaming cap on Intra-Site links. They may be trying to prevent other things such as Peer-to-Peer File Sharing or thing like everyone sharing their iTunes Libraries and other similar activities. The ability to Share Optical Drives re MacBook Airs maybe a factor.
I would tend to look towards your girlfriend's Mac.
Since iChat 2 it seems that some failed chats seem to hold on to ports or have some hold over the Network going on.
It seems most common when in System Preferences > Network the drop down at the top listing "Location" is left at the Automatic Default.
There are essentially two fixes for this.
1) Set up another Location and copy the settings across and switch between the two to force the Network to re-establish itself.
2)A longer way of clearing what is going on.
a) Shut any Airport card down if using WiFi
b) Shut down the computer.
c) Disconnect any Ethernet cable from either Computer or routing device (whichever is easier to reach but leave the routing device still connected to the Internet - just isolate the computer from the Internet)
d) Restart the computer (this is with no Internet Connection)
e) Restart iChat.
f) Restart Airport card or plug in Ethernet cable.
g) Using the Buddy List, select Available and make iChat Login (can also be done from the iChat Menu (> Accounts submenu in iChat 4)
On your last paragraph I would ask if you can Video chat at this set of locations ?
This is because in this scenario a feature of one of the modems may be an issue.
Some modems and routers have DOS (Denial of Service) or SPI (Stateful Packet Inspection) protection. These tend to be threshold based and have no setting control in the devices set up pages (other than On or Off).
iChat can stream so much data, particularly in Video chats over what are now quite high Internet speeds that a DOS feature will consider it an Internet attack and cut the port involved. SPI tends to be judging whether the data stream is valid and does not seem to keep up and the result is the same.
In Video chats the end that has the Problem tends to get a Error -7 In the Log.
The Other end gets the "No Data for 10 Secs" message.
Summary.
Essentially though as you have tried a deletion of all the .plists for iChat and you imply both ends it is more likely something about the Network or how the Mac thinks Network resources are already allocated.
There is not an easy .plist deletion for this hence the two methods listed above.
NOTEs: 1) #8 in your list is not related to iChat.
This is what you can now use of Apple Remote Desktop itself. It has it's own Screen Sharing app (without Audio like iChat) that is invoked from the Finder's Go Menu > Go to Serve and entering a VCN:// IP address. (As a System Application, as it were, it is in /System/Core Services/Screen Sharing.app)
It does need both Macs to have the Setting Enabled as you have done it #8 though
2) Some ISPs it is suggested block Screen Sharing. (Verizon was the name I heard mentioned). How they tell what the data steam is specifically I do not know as it would seem that the Audio part of an iChat Screen share would make it look like an A/V chat and that Apple Remote Desktop must be a valid way of working for some people. However iChat is Peer-to-Peer in AV chats and Screen Sharing and some ISPs are known to actively work against these file sharing apps that bear the same generic term.
In your case I do not think this applies as you can Connect Off site via whatever ISP your Campus uses.
I hope this helps.
9:58 PM Wednesday; October 1, 2008

Jabber Screen share grayed out - SOLVED

Community, I need your help! I don't know where else to look.
I have in production CUCM (9.1.2.10000-28) and CUPS (9.1.1.31900-1) and I want to solve a few misbehaviors on CUPS.
Everything works without problems; except for the screen share, which works just partially our environment was deployed using Jabber for Windows version 9.2.4 now, we are trying to move to the latest version (9.6.0) during the process I found that only the screen share is not working when the call is not initiated by a client running 9.2.4, call, chat, and outlook integration works for all versions.
Currently we have a mix of this versions:
9.2.4
9.2.6
9.6.0
My first guess was a misconfiguration problem, but I the phones and users have the correct SIP profile.
Then I thought it was a problem with the COP file, but I checked in CCO and there is not a cop file under "Jabber for Windows" but there is one if you look under "Jabber for iPhone/Android" (Click here)
Last I checked the Jabber-config.xml (find it attached) and there is nothing weird.
What else can I check?
Why only when the call is dialed from Jabber client with version 9.2.4 the screen share works?
Reference links:
https://supportforums.cisco.com/document/103466/uploadinginstalling-cop-file-cucm-cts-18
https://supportforums.cisco.com/document/106926/jabber-config-file-generator
https://supportforums.cisco.com/document/133291/how-verify-cop-file-installed-properly-jabber-android
https://supportforums.cisco.com/document/100421/unable-share-desktop-jabber-windows

Hi Amit,
So to confirm, desktop sharing is only available when the CSFs are actively registered to CUCM and appropriate BFCP configured on the SIP profile? This is the only way to enable desktop sharing when using On Premise deployment?
We currently use Webex Messenger deployment with our internal Jabber and the desktop sharing is avaiable without having to place a call. So gussing its different when using cloud deployment.
This is fairly crucial for a couple of deployments I am working on currently, this coupled with the fact they they are using Citrix clients with Jabber. Call control in Citrix is proving difficult and one of the customers is happy just to have desktop control wiith Jabber and not softphone. But are you saying that desktop sharing is only available when using the softphone?
Cheers
Oli

Mac Mini, screen share setup over network out of the box?

Greetings,
Is it possible to screen share and setup a new Mac Mini out of the box? Ultimately, I'm trying to figure out if I really need to purchase a separate screen just to setup the machine.
Thanks,

Hello,
den.thed wrote:
What other equiptment (HDMI TV, computers, etc...) do you have?
see > Setting up new mac mini without a monitor - Google Search
I have a MacBook Pro Retina, iMac, MacBook Air. I'll check out that link.

Screen share image quality

Hello,
I have been working on the screen share aspect of LCCS and have a question around image quality.
I know there are settings around performance and quality but I need advice on what the best setting
is in order to get high quality frames without pixelation.
Having used Skype screen share, which is high-quality without any sort of pixelation, I am wonder
if it is possible to achieve that with LCCS.
I am running over 2mbps up and 20mbps down on both ends, so it should give me the highest
possible stream when set to 100 but I am still seeing a lot of pixelation and the on second
delay.
Any advice?
Thanks,
Michael

Hi Michael,
Try playing with these settings.
One setting that might yield good quality without pixelation - Again its just a suggestion
ScreenSharePublisher.quality = 75;
ScreenSharePublisher.performance = 70;
ScreenSharePublisher.keyframeInterval = 480;
ScreenSharePublisher.fps = 8;
while our default values are
ScreenSharePublisher.quality = 60;
ScreenSharePublisher.keyframeInterval = 20;
ScreenSharePublisher.fps = 4
A few parametres you could try adjusting are
ScreenSharePublisher.quality
ScreenSharePublisher.performance
ScreenSharePublisher.keyframeInterval
ScreenSharePublisher.fps
ScreenSharePublisher.enableHFSS
ScreenSharePublisher.bandwidth
Thanks
Arun

How to return to video chat from screen share mode?

Is there an easy way to leave screen share mode and return to the video chat without having to stop iChat and start a new Video conference?

Hi,
No.
You have the method.
10:34 PM Tuesday; June 21, 2011
Please, if posting Logs, do not post any Log info after the line "Binary Images for iChat"
 G4/1GhzDual MDD (Leopard 10.5.8)
 MacBookPro 2Gb( 10.6.7)
 Mac OS X (10.6.7),
"Limit the Logs to the Bits above Binary Images."  No, Seriously

Cursor location in screen share is different on both screens

When connecting from one laptop (Mavericks) to another laptop (Mountain Lion) the cursor in the screen share is in a different location than on the computer being shared. I have the ML laptop hooked up to a TV and use the Mav laptop to control it. The cursor on the Mav laptop does not match up with where the cursor is on my TV. Any way to fix the offset?

TC6.0.1 is very old. I'd recommend that you upgrade your software to a newer version. The newer releases have a number of bug fixes and changes which may assist in your configuration as well as some fixes for some major security vulnerabilities.
If you have an active service contract, you should be able to access the updated software on the Cisco Download Web Site.
If you don't have an active service contract, contact the TAC and, as per the "Customers Without Service Contracts" section under "Obtaining Fixed Software" in the Cisco Security Advisory cisco-sa-20140926-bash you should be able to get an upgrade to at least version TC7.2.1.
Wayne
Please remember to rate responses and to mark your question as answered if appropriate.

Can't screen share on local network

Hi folks,
Seems like lots of problems are to be had with the iChat screen sharing. I've been looking through here and tried several options, but I don't seem to be able to get this working.
My MacPro 2x2.66 is sitting in the DMZ of my DSL Router and a brand new iMac is sitting behind the router's firewall, but on the same network. Both are running updated versions of Leopard. I've followed the instructions for NAT port forwarding on the router found here:
http://web.mac.com/valsjo/personal/Start/Entries/2007/12/8iChat_screen_sharing_problemsolved.html
and also made the necessary changes to the Apple firewall (although I actually just have "accept all incoming connections" checked rather than listing iChat and my many other apps individually).
These two computers can't seem to screen share, however, with the dreaded "Screen sharing could not be established" error. Why is this happening when I'm on the same LAN?
Video chat appears to have similar problems.
Thanks for your input,
Aaron Genest

Have you tried Bonjour for screen sharing on your local network?
It works without problems on my local network, these are the settings that work for me:
Enable Bonjour messaging in iChat preferences>select use Bonjour instant messaging.
With iChat open select "enable screen sharing" from the top menu>video
In order to get it to work on my local network I had to disable screen sharing in Apple menu>System preferences>sharing.
The firewall settings are set to specifically allow the iChat application.
These settings should be set on all Mac's on your local network you wish to use iChat screen sharing with.
It might not work with a mac that has the file vault feature enabled.
My router settings are in default.

Screen Share - Change what to display & video quality

Hi LCSS Team,
I have been playing around with screen share and have it working in collaborative (both ends can share/control their screens).
Upon initial selection of deskop/app/window, is there a way to allow users to change what to display without having to
start/stop?
Use case:
- User A is viewing user B screen. User B would like to change view from desktop to a specific window.
Also, the screen share video feed is very pixelated. I have tried it multiple settings including what you guys sent
me. I am trying to get it to Skype like quality. Is that even possible?
Thanks,
Michael

Hi octoguy,
iChat makes hardware and connection speed checks as it starts up.
This gives you the framerate and bit rate duirng a call.
Lets say that your processor gives your iChat 15 fps
This will be the rate that you will then see to a another Mac.
The same computer is likely to get 10 frames per sec to a PC.
This is some part due to the PC putting a fair amout of effort into producing a clear detailed pic.
On some PCs this setting for the video pic is so high that the audio will drop out completely.
The cure is to bring the PC preview to the front (tabs)
Then click on the small icon that appears to the right and adjusting the slider that appears to the left.
This will incease the frame rate and bit rate from the PC. It makes the video look smoother although the actual quality has gone down (you may not be able to judge this quality difference by eye)
As general rule you will get about 2/3rds of the normal Mac to Mac framerate shown in the Connection Doctor. It also seems to take about 50% more Connection speed to get the same quality video.
So Mac to Mac min is 100Kbps where as Mac to PC will need about 150kbps.
The quality drop from 15 frames a sec to 10 frames a sec does make the video generally more blocky but does also depend a fair bit on the processor power of the PC and the camera used.
I know that sounds a little vague but there are really many variables that can be a factor.
11:23 PM Monday; April 24, 2006

Screen share: multiple monitors

Hi all,
When I screen share via the Finder (vnc), I can choose which (or both) of my two monitors to share.
Many times, however, I screen share via iChat and only want to share the main one: does anyone know how to
"turn off" the second monitor ?
Thanks,
Benny.

Hi,
If they are Using the Finder's Go Menu > Go to Server and entering in VNC://(IP Address) to get access you have the Access specified in System Preferences > Sharing > Screen Sharing.
This can be set to allow Specific People or get them to Ask you.
If they Login by this method as You they have the same Access you do. (Not only your Home Folder but any other File and folder you can access in normal navigation of your computer - includes System Folders and Mounted Drives)
If they Login as another User they get the access to your Account in a similar fashion.
You can set a Password in the Computer Settings that restricts the Control from their end (they can only see where you lead)
In iChat is is as if you logged in from a second computer. The person if they are Sharing your Screen (they get to see your Screen) they can move the mouse and Click anywhere you can go.
If you then Use Fast User Switching iChat will do whatever you have set in the iChat > Preferences > General Settings to do when you use Fast User Switching.
If this is to be Away then in theory they could be looking and messing with all your stuff while you are busy elsewhere.
(I say "in theory" as I have never actually tested this. I do know that iChat is not Logged Out. They should not be able to see where you go in the other Mac User though)
And yes, it was a totally different question
8:23 PM Wednesday; October 13, 2010
Please, if posting Logs, do not post any Log info after the line "Binary Images for iChat"

Screen Share without Mouse

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