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Blank monitor ON (Windows 8)

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kirinsha
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Posts: 22
Joined: 2013-09-25 09:27

Blank monitor ON (Windows 8)

Post by kirinsha »

Hi,

I Installed UltraVNC Server Ver1.1.9.3 on Windows 8 PC.
Then, blank monitor's ON is not operating as expected.

Server PC is desktop mode : an image will be displayed also on the viewer side.
Server PC is start-up screen : an image will not be displayed on the Server side.

Is there how to solve?

Thanks,
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Rudi De Vos
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Re: Blank monitor ON (Windows 8)

Post by Rudi De Vos »

Blank monitor on win8 need a revue as it doesn't use layered windows.
Cause:
The trick was to use a top layer ( that hide the desktop) on the server site
and tell the OS not to capture this layer. win8 does not longer support it.
kirinsha
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Joined: 2013-09-25 09:27

Re: Blank monitor ON (Windows 8)

Post by kirinsha »

Sorry, I could not understand well.
Since a top layer of Windows8 differs from other WindowsOS, is blank monitor operation failed?
I would like to learn how blank monitor of UltraVNC operates by Windows8 as expected.
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Rudi De Vos
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Re: Blank monitor ON (Windows 8)

Post by Rudi De Vos »

Simple:
uvnc use a method for blank monitor that is no longer supported by windows 8.
We need to see if there exist another method in windows 8 and implement this in uvnc.
It's on the todo list...
kirinsha
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Re: Blank monitor ON (Windows 8)

Post by kirinsha »

Thanks Rudi,

I expect that you will find other methods.
And I am sorry for my ability not to contribute.

regards,
mrpushner
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Re: Blank monitor ON (Windows 8)

Post by mrpushner »

Hi, Any update on this?

I'm using version 1.1.9.6 Server and 1.1.9.3 viewer....and the BLANK MONITOR DOES NOT WORK on Windows 8.1 machines. If I check "ENABLE BLANK MONITOR ON Viewer Request", then click the blank monitor button, the Windows 8 Machine monitor(s) DOES in fact go blank, but the remote screen immediately jumps to the windows 8 log-in screen in an endless loop and I can't do anything remotely. :(

This is Great software, a big THANKS to the developers!

Mark
kirinsha
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Posts: 22
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Re: Blank monitor ON (Windows 8)

Post by kirinsha »

Now I'm using UltraVNC Ver1.1.9.6.
This module 'blank monitor' is seen working on Windows8.1.
But black screen displayed at server side.

I'm going to try on other OS's.
kirinsha
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Re: Blank monitor ON (Windows 8)

Post by kirinsha »

black screen is repro on Wndows8.
other OS does not repro.
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Rudi De Vos
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Re: Blank monitor ON (Windows 8)

Post by Rudi De Vos »

Layered windows are removed in wddm video, blank windows doesn't work with wddm.
Until know, we didn't found a solution.
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