Within the display properties have you checked the advanced tab which 
should load the chipset software?

Klint

Bob Fronk wrote:
> Nvidia chipset?  What kind of video card?  What kind of machine?
>
> You should be able to set a mirror in the video card software.
>
>
> Bob Fronk
> [EMAIL PROTECTED]
>
>
>
>   
>> -----Original Message-----
>> From: John Hornbuckle [mailto:[EMAIL PROTECTED]
>> Sent: Thursday, August 07, 2008 5:22 PM
>> To: NT System Admin Issues
>> Subject: OT: Vista Dual Display Problem
>>
>> I've got a Vista machine that has two displays--a monitor plus a
>> projector.
>>
>> I have no problem getting Vista to extend the desktop across both
>> displays. However, that's not what I want; I want a mirrored setup.
>> Can't get that to work, though. When I uncheck the option to extend
>>     
> the
>   
>> display to the projector, it disables that display altogether and
>>     
> stops
>   
>> sending a signal to the projector. It's either extended, or off
>> altogether.
>>
>> Anyone ever see that?
>>
>>
>>
>>
>> John Hornbuckle
>> MIS Department
>> Taylor County School District
>> 318 North Clark Street
>> Perry, FL 32347
>>
>> www.taylor.k12.fl.us
>>
>>
>>
>> ~ Upgrade to Next Generation Antispam/Antivirus with Ninja!    ~
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>
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