Hi Rex,
  
What about USB-> VGA?
  
The speed he may be talking about is that HDMI can send over 10Gbps at 
HDMI 1.3. 
VGA is purely up to the processor of your computer.
  
major difference - HDMI is uncompressed digital image
VGA is analog
--
Andrew Morrison 
Head of Department - ICT & Information Services
Corinda SHS <http://www.corindashs.eq.edu.au/>


------ Original Message ------
From: "Rex Boggs" <[email protected]>
To: "QSITE ICT Teachers" <[email protected]>
Sent: 3/08/2011 6:00:44 AM
Subject: [qsiteict] HDMI port and data projectors
>I recently purchases a shiny new high-end-ish laptop from Dell. Alas 
>when I went to plug a data 
>projector into it to use it with an interactive whiteboard, I 
>discovered that it had an HDMI port, 
>but no VGA port. 
>
>One fellow from Dick Smith connected a HDMI-->DVi converter to a 
>DVi-->VGA converter. That didn't 
>work. I then bought a rather expensive powered box that connects a 
>HTMI port to a VGA port. Alas, 
>when I tried it out yesterday, it didn't work - all I could see was 
>the 'No Signal' blue screen. 
>
>A fellow at JayCar where I bought the powered box from said that a 
>number of customers had had 
>trouble connecting their HDMI laptop to their VGA data projector, 
>something to do with the 'speed' 
>of the signal (not sure what he means here). 
>
>Anyway, the bottom line is, I can 't get my HDMI computer to talk to a 
>data projector with a VGA 
>input. Has anyone else had this problem? More usefully, has anyone 
>found a solution? 
>
>Rex 
>
>
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