Screen Sharing and Sleeping Mac Mini

Hi,
After months of nagging from my IT colleagues I have just bought a Mac mini, just upgraded to Leopard and am just getting to grips with how it functions. (very impressed to date now I have a "proper operting system" :o) )I am using it in my lounge connected to my Plasma TV. I have enabled Screeen sharing and can access it succesfully from my windows machines using VNC viewer free edition. The colour and picture quality is excellent however it won't allow me to connect when the machine is asleep. I also have Vine VNC server which I am sure would go to sleep and let me connect using VNC however it doens't seem to sleep with Vine anymore and I also get two icons appear in the dock. The screen quality appear to be much better with Screen sharing so I'd rather use that than Vine. I could switch sleeping off howevere I don't use the Mac and would like to let it sleep. I was a bit nervous about posting here for the first time incase I get "abuse" but my other Mac users assure somebody will know the answer. I have some other questions so I'll post these on the site in the relevent areas now I'm registered.
Cheers in advance.
Clarkerz

Clarkerz...Wondering the same thing. No "abuse" from my direction. This is a great question I am also trying to find a solution for.
I often work remotely between my home office work horse (g4 tower) and my 17" MacBook Pro. Files are often duplicated between the systems...and having one access point (screen sharing) is great. However, I am wondering the same thing. I hate to leave the slave computer (in most cases this is my G4 tower) on permanently in the event I happen to need to share in.
Before Leopard, I was using Astro View / Share. I am sure some will wonder...why that program. Well, long story short, pain in the arse, but it worked...althoughbeit not as well as Leopards built in screen share. Though Screen Share is a much better solution...I still wonder about the "sleep" issue. Hate to leave it on permanently.

Similar Messages

Screen Sharing on "headless" Mac Mini

Does anyone know how to change the screen size and keymap for a "headless" Mac Mini (no keyboard and monitor), accessed via Screen Sharing?
Currently:
- The screen size is limited to 800x600 or 1024x768. I'd like bigger.
- On the Mac Mini, I have to use the "U.S. Extended" keyboard layout to get the right key mapping from Screen Sharing. But the Login Screen doesn't seem to use this mapping. Also, I live in Switzerland, and I'd like to use international keyboard layouts.
Info:
- Mac Mini: OS X 10.4.11
- Screen Sharing host (iMac): OS X 10.6.8
- Desired keyboard layout: Swiss French and Swiss German
Thanks!

Thanks for the ideas. As suggested, I tried swapping out both the VNC client as well as server, but unfortunately no luck.
I should have mentioned that if I plug a large monitor into the Mac Mini, I see the bigger screen via Screen Sharing. If I unplug the monitor, the larger size is maintained until I log out; then I'm back to 1024x768. This indicates that its not the VNC (client and/or server) that's limiting the screen size, it's the OS that only provides two choices if no monitor is connected. I don't see why that has to be; it's just the size of the allocated graphics buffer that changes.
Concerning the keyboard, I found that you can set the Login screen to use the US Extended keyboard layout by selecting System Preferences -> Accounts -> Login Options -> Show input menu in login window. That allows you to select the keyboard layout you want to use for the Login prompt, and fortunately that selection is then saved. That significantly defuses the keyboard problem – although ideally, I'd still like to use international keyboard layouts. Logically, this should be something the VNC software controls, but I did not see any options to that effect, in any of the VNC clients and servers suggested above.

Screen Sharing and SSH sessions freeze occasionally on multiple mac minis

I have 28 Mac Minis at work. With such a large number of minis, I obviously can't have a monitor attached to each of them so I've got them plugged into a network switch and access them via Screen Sharing (both via regular Screen Sharing and ARD) and SSH sessions.
A few of them seem to suffer from intermittent problems however. I'll be using Screen Sharing when the session freezes. It may unfreeze eventually, but I can also usually just quit out and re-connect and it will be unfrozen. The same thing happens when I'm connected via SSH, it will freeze and I won't be able to type in any more commands.
I need help troubleshooting (or if anyone knows what could be causing this, that'd be cool too).
I've tried connecting from both a Mac Pro on the wired network and a MacBook Pro on the wireless network. The freezing seems to only happen on certain Mac Minis as well.
I've tried switching network cables from a Mac Mini that doesn't suffer from this problem with one that does and nothing changed.
I also thought it might be a bandwidth issue at first, despite being a gigabit switch connected via cat6 to the rest of our gigabit network, but even when no significant bandwidth is being used, the freezing still occurs.
One more thing I want to test is the connection between the switch all these Mac Minis is plugged into and one of the other switches that all our other network traffic goes through. I didn't set it up myself so I fear that it might be an old, damaged cable or something. Failing that, I have no idea what the problem could be, which is why I'm posting here.
So, does anyone have any idea what the problem could be? Or any other ideas for troubleshooting the problem? Thanks.
(They're all running 10.6.8, and range from Mid-2007 to 2009 models).

It would be in the system log. However, the next step would be to safe-boot in order to eliminate third-party system modifications. That goes for both client and server. If you can reproduce the problem in safe mode, then you probably have a network issue. Take everything offline except one client and one server, and test.

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)?

How to mirror iMac screen wirelessly through a mac mini connected to an hdmi port of HD TV?

I have a new Mac Mini connected to a Sony HD TV. On the same network but in a different room I have my iMac. I can control the iMac with wireless mouse and keyboard from the same room where the TV and Mac Mini reside. I would like to work on my iMac but use the HD TV as my monitor so I can show slideshows and iMovie projects without transferring files to the MacMini first. Is it possible, and if so, how do I go about setting it up?

Your iMac likely supports a higher resolution than the TV does. The maximum standard TVs today use is 1920x1080, and if your iMac is an Intel Core i3 or i5, its own display is at least that high of a resolution. Which model of iMac do you have?
If your iMac is running at least Leopard (10.5), then both machines have Screen Sharing built in. It can be accessed from the Finder, but as often as you would like to use it you should go to Macintosh HD > System > Library > CoreServices and drag it (the icon) to your Dock. That will create the shortcut to get to it easily. As I noted before, the built in Screen Sharing VNC software doesn't do full screen, but third party VNC software can. Both machines do not need to be using the thrid party VNC software, just the one viewing - in this case your Mac mini. Chicken of the VNC is a popular free one, fairly easy to use:
http://sourceforge.net/projects/cotvnc/
For more info about how to set up Screen Sharing and how to use the included application:
http://mac.appstorm.net/how-to/os-x/using-screen-sharing-in-os-x-leopard/
Note that you will have to use the settings in System Preferences, regardless of what VNC software you use. Both systems will need to have Screen Sharing settings enabled.

Screen Sharing and WindowServer processes using 35-45% of CPU!!

I have recently relocated and reconfigured my Apple network and computers in the house :1) MacBook Air dual display MBA with 20" cinema screen in the office, and 2) and Mac Mini connected to a large LCD TV in the living room.
The plan now is to use the MBA as a primary computer and connect via wireless screen sharing to the MM so that I can monitor that system, run more intensive apps, watch EyeTV, file server tasks, etc.
But now this has increased CPU and fan activity on the MBA beyond what I would expect. The activity monitor indicates that the Screen Sharing and WindowServer processes are using combined between 35-45% of the CPU (screen share process is a constant 25%!!).
This is not good, and I wonder if it will be fixed in a future release. Any ideas or suggestions on how to limit the impact of screen sharing on CPU?

It seems to be running better with system update, and use of a faster computer (now using the higher end mac book air)

Screen Sharing and Drive Sharing

Hey all!
I've got a Mac Mini that I am using to share files. I have an external drive attached via FireWire. The SMB and AFP shares only show up for the EXTERNAL drive when someone is logged in. Is this the expected behavior? Does anyone else have this happen?
This isn't all! I've noticed that when I use Screen Sharing and click "Return to Login" from the upper right corner, that I loose my Screen Sharing connection AND AM UNABLE TO CONNECT AGAIN. I've been able to reproduce this behavior on my Mini, MB, and MBP. Anyone else experience this?
Thanks in advance!
Jason

Thanks for the ideas! I kinda figured drive sharing wouldn't work from the login screen...seems kinda bogus though, but I guess if I want that, then I'd have to get OS X Server.
As for Screen Sharing, I disagree. When I connect to a Mac via Screen Sharing from the login screen, it lets me choose a logon and login. When I choose to go back to the login screen...the screen freezes. When I hook back up to the Mini from the console, the screen is frozen on a blue screen. No mouse, no keyboard. I believe it worked under a previous version of OS X 10.5...so I'm not sure if 10.5.4 messed it up...
Thoughts?

Screen Sharing with i-Mac

I use a mac mini as a dedicated music server in my sound system (excellent with an i-pod touch as a remote), currently I use screen sharing via my i-mac to control the mac mini (installing discs into i-tunes, updating software etc.). The connection is currently via a wireless network however, is it possible to use a cable connection between the i-mac and the mac-mini and if so what type of cable and connecting sockets are used please.
Many thanks for your kind help.

If you have a wifi router with LAN ethernet ports on it, just plug a short ethernet cable into one of the LAN ports and into the Mini.

Screen sharing and time machine

I have a mini without a monitor. I also have a 17" G4 PowerBook. Both are running Leopard. I use screen sharing to control the mini from the PowerBook.
When I open Time Machine on the mini the screen sharing goes all white... Is this because all the nifty graphics in the Time Machine app are too much for screen sharing to handle?

What screen resolution has your headless machine defaulted to ? Since you can get in via screen sharing, see what it's defaulted to.
Consider that TM probably has a required resolution (like, Workgroup Manager requires 1024x768 minimum).
If you need to have the resolution default to a different setting on reboot, try this that I put together:
http://www.afp548.com/article.php?story=20070211165654615
It's not my work just easy-to-use packaging of existing software (read the article).
It's Universal and there's a link there for a double-clickable installer.
For those bemoaning their experience jumping ahead with 10.5 server in a production environment:
well, that's your doing. Did you do full pre-testing in a non-production setting and confirm for yourself that it's ready for your needs ?
If you think 10.4.0 was perfect you are living in a fantasy. 10.4 server was a very rocky road til around 10.4.3 and there were still many fixes needed that came with later revisions.
10.3 had plenty of problems (!!) and 10.2 was a beast til 10.2.8 and I don't miss it.

Screen Sharing and ARD broken

Hi,
I have 10.9.4. I had remote management switched on and it was working fine.
I installed ARD 3.7 and started it up fine and it was running fine allowing me to do all what I needed.
I also need to remote to this Mac and so set the preference in ARD to allow control whilst the app was running. Thats when it went pear shaped.
It suddenly stopped allowing remote access to the machine.
I now have to be physically at the unit. I have removed ARD and all the files it has added and switched off all screen sharing and Remote Management in Sys Pref. Restarted and switched on Remote Management again.
I can still not access the machine remotely (i.e. screen sharing).
When trying to use screen sharing on the Mac itself to remote onto another machine I get the following in Console.
20/08/2014 15:08:23.459 Screen Sharing[1422]: unable to get server port
20/08/2014 15:08:23.459 Screen Sharing[1422]: *** -[__NSSetM addObject:]: object cannot be nil
20/08/2014 15:08:23.537 Screen Sharing[1422]: (
0   CoreFoundation                      0x00007fff93cd525c __exceptionPreprocess + 172
1   libobjc.A.dylib                     0x00007fff94276e75 objc_exception_throw + 43
2   CoreFoundation                      0x00007fff93bf4966 -[__NSSetM addObject:] + 790
3   ScreenSharing                       0x00007fff91f3a0e2 -[SSInputEventSourceCoordinator addSource:] + 69
4   CoreFoundation                      0x00007fff93ca3e0c __CFNOTIFICATIONCENTER_IS_CALLING_OUT_TO_AN_OBSERVER__ + 12
5   CoreFoundation                      0x00007fff93b9782d _CFXNotificationPost + 2893
6   Foundation                          0x00007fff905277ba -[NSNotificationCenter postNotificationName:object:userInfo:] + 68
7   AppKit                              0x00007fff96fb1cde -[NSApplication finishLaunching] + 440
8   AppKit                              0x00007fff96fb17f3 -[NSApplication run] + 128
9   AppKit                              0x00007fff96f9c783 NSApplicationMain + 940
10 libdyld.dylib                       0x00007fff8f5b55fd start + 1
20/08/2014 15:08:23.622 Screen Sharing[1422]: *** -[NSLock lock]: deadlock (<NSLock: 0x6000000ca330> '(null)')
20/08/2014 15:08:23.622 Screen Sharing[1422]: *** Break on _NSLockError() to debug.
I can ssh to the machine fine, just not screen share (VNC).
Any help to fix allowing VNC to the machine would be greatly appreciated.
Regards
Keith

Further,
I have run a port scan and confirmed that port 5900 is open.
When using COTVNC it sort of sits there trying to connect but doesn't show the screen. If whilst it is trying I switch off Remote Management then COTVNC instantly throws up the error that screen sharing is not enabled.
Thus I am deducing that the actual VNC server of the os is goosed.

Screen Sharing and video chats don't work

I've been searching this forum for awhile and I haven't found a concrete answer to my problem, so if this question has been answered please excuse me. Ok, So here's my situation am running iChat on Mac OS 10.5.1. Whenever I am using my laptop at my school on the network their, I am able to use both screen sharing and video chat. But when I am at home, I am unable to use either one. It begins to try to start the session, but then i receive a message that tells me that a connection could not be established. I know that I have internet access, but I don't know what could be wrong with it.

After investing far to long in looking at this exact issue on my end, reading the seemingly endless threads on the exact same error, trying all the various tweeks and QT settings, bandwidth limit settings, etc etc. proposed here, I have now solved this problem, and the none of the above were part of the solution.
I have perhaps one of the the most common routers on the market, Linksys WRT54GL.
In a totally unrelated network problem (a printing issue), Linksys tech support advised me to reset my router. There is a small button on the bottom. I depressed it for 30 seconds. Rebooted everything and my printer miraculously worked. Yea, I had to reenter my WAP passkey, router admin password etc., but that took 2 secs. So, what does this have to do with iChat?.... The very next time I tried iChat video and turned on and enabled my camera, the recipient immedialty saw me. No connection error.
Problem solved, for me art least. Not sure if anyone has tried this, but makes sooooo much more sense than the other unApple like suggestions I previous tried. Hope this helps.

Screen sharing and yosemite

I have 2 iMacs running 10.10.1 not on the same LAN. Under Mavericks both screen sharing and file sharing worked fine on both computers
Since the upgrade to yosemite, i can access file and screen sharing on one computer but only file sharing on the other.
Both computers have back to my mac activated. Since screen sharing works fine on one computer, I must assume a setting somewhere is incorrect
Thanks
Jeff

Screensharing doesn't require a 'bonjour advertisement'. The advertisement causes other Macs to add it to the sidebar - but that is just to help cut out manual config.
You could try working out the IP address of the Mac see if Screensharing works that way. Find that in Network Prefernces for the interface that is on the same local network.
Insert the following into Safari…
vnc://YOUR-IP-OF-REMOTE-MAC
That will open the Screensharing app (which is buried in the System folder) and attempt to open the IP of the machine in question. If that works you know sharing is OK but mDNS a.k.a bonjour is failing somewhere. If that fails double check the local IP & retest. It indicates screensharing itself is failing etc.
You can also try the computer names like 'Macbook.local' instead of the IP address.

Screen sharing and file sharing not working on LAN

This is not a Mavericks specific problem since it existed before I upgraded to Mavericks. I have a LAN that consists of 3 MBPs and 1 MacPro.
Local screen sharing and file sharing works fine on all of these computers except for one MBP. From this MBP I am able to connect to all of the other computers for screen sharing and file sharing. But I can't connect to this particular MBP for screen sharing or file sharing from any of the other Macs.
This MBP shows up in the left hand side column under "Shared" on all the other computers. But I am unable to make a connection from any computer to the problematic MBP. I get the message, "There was a problem connecting to the server "xxxxxxxx". The server may not exist or is unavailable at this time".
I have tried toggling off and on screen sharing and file sharing with no effect. One probably pertinent strange thing that I notice is that under the Screen Sharing set up the green button next to "Screen Sharing:On" is green. But the message under it states:
"Other users can access your computer's screen
at vnc://johnmacbookproretina/ or by looking for “John MacBook Pro” in the Finder sidebar."
The problem is that my computer name is "John MacBook Pro" and the LocalHostName is "JohnMBPr.local". I believe that at some point in the past the computer name and/or LocalHostName was "johnmacbookproretina".
Similiarly, under File Sharing I am informed:
"Other users can access shared folders on this computer, and administrators all volumes, at “afp://johnmacbookproretina” or “smb://johnmacbookproretina”."
I would appreciate any help I could get to resolve this perplexing issue. Thanks.
John

I've finally been able to solve my own problem.
File sharing and screen sharing on the problematic MBP was being blocked by firewall rules that had been set up several weeks ago when I had installed a trial version of DoorStop X firewall software. I had previously trashed the app when the 30 day trial ended. I did not realize that the software had left a set of firewall rules in the Library/StartupItems folder. Among other things, the rules were set to deny access to the computer on the ports used for file sharing and screen sharing. Once I trashed the DoorStopStartup folder in the StartUpItems folder all the connection problems resolved with a computer restart.

Screen Sharing and Remote Management

Is there a way in 10.6 to make both Screen Sharing and Remote Management run at the same time?
In the past (10.5), you could convince Mac OS to run both Screen Sharing and Remote Management to run simultaneously. I say "convince" because you could not enable them both through System Preferences. You could turn one on, then use Terminal to enable the other. This worked great for me, because I needed remote management for the machines I managed, and the users need screen sharing to work from home.
However, the work-around for 10.5 no longer seems to work for 10.6. Has any one gotten this to work yet for 10.6? Thanks!

I figured this out. First enable Remote Management via System Preferences. Then create /private/etc/ScreenSharing.launchd with 'enabled' as it's contents.

On accident I deleted my screen sharing on my Mac OS X 10.6.8, how do I get it back?

I have accidentally deleted my screen sharing on my Mac OS X 10.6.8! Please help.
Thankyou.

Welcome to Apple Support Communities.
, System Preferences, Internet & Wireless, Sharing
You many need to click the padlock at the bottom and enter the admin password to unlock Sharing so you can make changes.

Screen Sharing and Sleeping Mac Mini

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