screen sharing does not scale the screen correctly a VNC remote desktop after latest update (Lion)

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screen sharing does not scale the screen correctly a VNC remote desktop after latest update (Lion)

Hi,

I use screen sharing on a MacBook Air 11' 2011 to view a ssh-tunnelled remote Linux desktop. This always worked perfectly.

After the latest update, the scaling function does not work (see screenshot). The application rescales the remote screen to a tiny low-resoution area, much smaller than the available space, leaving a huge grey area.

I tried a number of things on the remote PC, but this definitely seems to be a screen sharing /MacOS problem.

Anybody with the same issue/ some creative ideas for workarounds?

Thanks

MCL

MacBook Air (11-INCH, MID 2011), Mac OS X (10.7.5)

Posted on Sep 23, 2012 4:53 AM

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Answer 1

Sep 25, 2012 8:33 AM in response to m@c@l

I've had the same scaling problem since recently upgrading my MBP 13in early 2011 to 10.7.5.

My setup is simpler with the target computer on my home LAN as a Windows Ultimate PC using UltraVNC server. I get the same scaling issue as posted in your picture. It was working fine prior to the latest MacOS update.

(seems like it's the month for Apple to be releasing sub-par software updates if you include iOS6! S.J. must be rolling in his grave!)

I have tried several other VNC servers on the target PC (as well as other target PCs) all with the same result, so my conclusion is the same as yours, it is something to do with the new version of Screen Sharing.

I have found however, that if you just try to resize the window slightly, then it will redraw the remote display to fill the whole window again. It's really annoying to have to do this each time though.

In addition, I have also found that the connection is a little bit more unstable - seeming to freeze suddenly requiring me to restart Screen Sharing. This didn't seem to happen prior to update for me. I don't think it's my network either as I haven't changed the configuration at all (target PC is on ethernet, MBP wi-fi).

Anyone with a fix would be greatly appreciated.

sleepy.

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Answer 2

m@c@l Author

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Sep 25, 2012 4:37 PM in response to sleepy_iz

Thanks, it feels less lonely now, at least!

Your workaround of resizing the screen works for me, although it goes back to ab-normal when I switch to full screen. Very annoying...

I also had a couple of freezes so it really seems the same issue.

I tried several workarounds and ARD setup tricks found in this forum with no success.

For the moment I unhappily switched to tightVNC which works OK but is not as nice as screen sharing used to be. Other VNC viewers (JollyFast / cotVNC) seem to provide no scaling or very ugly aliasing....

MCL

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Answer 3

Oct 22, 2012 3:36 AM in response to m@c@l

I confirm the issue too.

I confirm the workaround (to work) too. Thx for sleepy_iz.

Hope we will see a corrective patch quickly.

Cheers,

--

lem

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Answer 4

ocloirec

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Oct 22, 2012 3:40 AM in response to sleepy_iz

Same issue since 10.7.5 applied.

Thx for resize tip 🙂

Waiting for patch also...

--

OCL

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Answer 5

am100

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Nov 24, 2012 10:31 AM in response to m@c@l

Same issue here since 10.7.5.

Thanks for the workaround.

As a newcomer to apple, I'm surprised that issues such as this one are still outstanding after a couple of months. Is there a different place where bugs are submitted directly to the development team?

Best,

am

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Answer 6

lev

Level 1

4 points

Jan 21, 2013 1:50 PM in response to m@c@l

It'd be nice to see an acknowledgement of the problem, or at least a breakdown of when it happens.

For me, it happens occasionally when I connect to Windows-based computers running UltraVNC. I don't have problems when I screen share another Mac.

A standard is a standard, Apple.

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