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Screen recording issue

Posted on 2012-08-25
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Last Modified: 2012-09-12
Hi All

I have an issue I would like to discuss we you guys...
We are using VGA to USB devices (http://www.epiphan.com/products/frame-grabbers/vga2usb/) that are connected directly from the VGA side to the screen we want to record, and the other hand - the USB side to a recording PC. This VGA to USB device comes with a SW that recognizes the screen that is connected. We are using another tool called BSR (http://www.bsrsoft.com/) to capture the opened window and record it.
Everything works great, but we face an issue that once in a while, BSR records white screen.
the recording PC does not lock itself and it is always on but we found out that only when we remote desktop into this PC it keeps on recording (no white screens) so we actually need another PC which sole purpose is to RDP the recording PC and leave it open...even if we minimize the RDP session it records white screen...
Does anyone know why this is happenings? Is there a better workaround you may know of?

Thanks
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Question by:marmoor99
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Merete earned 1500 total points
ID: 38339451
Hi  marmoor99
sorry to see no one has offered you any ideas.
I am not familiar with this procedure your using and the device, but with my over all experience we should be able to get to the bottom of it.
A white screen could be related to direct draw issues.
Or hard ware acceleration problems. This is caused by the video card onboard the computer
You can disable  hard ware acceleration .
But first I need to know which windows your running and or accessing.

Then lets look at your device, as I can't actually see/ interact with you this gives me the details to see it in my head
http://www.epiphan.com/products/frame-grabbers/vga2usb/

Epiphan VGA2USB™ is a compact pocket sized, external, low cost VGA to USB frame grabber capture device capable of capturing output from virtually any VGA source
VGA2USB Key Features
RGB/VGA to USB 2.0 capture card with interlaced image output1

here's the first key>external capture from any VGA source at up to 1920x1200
What screen size is the remote desktop?
And what is the screen size on your desktop.
Check and change it accordingly.
Windows 7 as I am using Windows 7
Control Panel\Appearance and Personalization\Display\Screen Resolution
Advanced> if your monitor allows to change this do so if not leave as is and just change the resolution.
If that does not solve it then try disabling hardware acceleration

Vista
http://pixelmetrics.com/Tips/VidBlank/GlobalAcceleration.php
XP
http://www.deskshare.com/resources/articles/dmc_turnoffhardwareacceleration.aspx
Alternatively on any system go to start run then type in dxdiag  press enter
In the dxdiag console go to display
and disable directdraw acceleration if it allows you to

May be of assistance
Automate Video Capture for Screencasting Using Epiphan VGA2USB
http://www.epiphan.com/solutions_new/?arid=46
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