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Windows 7: Fix video problems in Win7 32bit virtual machine


26 Aug 2012   #1
jhag47

Windows 7 Pro 64 bit
 
 
Fix video problems in Win7 32bit virtual machine

I'm trying to install the correct 32 bit video drivers in the virtual Win7 32bit machine that runs on my Win7 64bit computer.

The program that I want to run gives me an error that says "your graphics card does not cover the required scope of functions or the color depth is not set to 32 bits".

How do I resolve this issue?


My System SpecsSystem Spec
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27 Aug 2012   #2
Kari

Microsoft Community Contributor Award Recipient

Windows 8.1 Pro with Media Center
 
 

Hi Jhag47, welcome to the Seven Forums.

Virtualization applications like Microsoft Virtual PC, Oracle VirtualBox and VMWare Player use their own virtual, emulated hardware and drivers, not the hardware installed on your host PC. This emulated hardware and drivers are included and automatically installed when you install an OS on a virtual machine.

Not knowing which virtualization application you use to run your Windows 7 virtual machine, here's an example: Microsoft Virtual PC uses an emulated S3 Trio GPU on its virtual machines. Let's say you have an AMD Radeon™ HD 7970 GHz Edition GPU card on your PC, and you install Windows 7 on a Microsoft Virtual PC virtual machine. This virtual machine (guest) does not even find the ATI GPU of your PC (host), instead it installs said S3 Trio emulated GPU and drivers.

In other words: your virtual machines do not use the hardware and drivers of your host. Instead they use their own emulated hardware. You can't use, can't install drivers of your host motherboard, sound card and GPU to virtual machines because the virtual machine can't use the hardware of your host PC.

So, to put it short, here's your question:
Quote   Quote: Originally Posted by jhag47 View Post
How do I resolve this issue?
And here the answer: It can't be resolved, for your windows 7 virtual machine can't use the GPU of your host PC. You can't replace the virtual hardware drivers on a virtual machine.

Kari
My System SpecsSystem Spec
27 Aug 2012   #3
jhag47

Windows 7 Pro 64 bit
 
 

Is this true of a graphics card that has been added to the computer like my PNY Quadro 600?

You said "Not knowing which virtualization application you use to run your Windows 7 virtual machine". I'm using Microsoft Virtual PC that is part of my Win7 Pro 64bit system. Are there any other virtualization programs that would allow me to install my video card and it's drivers within it?
My System SpecsSystem Spec
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27 Aug 2012   #4
Kari

Microsoft Community Contributor Award Recipient

Windows 8.1 Pro with Media Center
 
 

There is no way to change the Virtual PC emulated S3 Trio GPU. It can never use your host PC's GPU, whatever card you have.

Virtual PC, like other normal end user virtualization platforms can use external USB devices, so theoretically it could be possible to use an external USB GPU. However, because of other limitations of a virtual machine (all hardware is emulated) I do not think that would work very well.

If you want to use your host's native hardware on a virtual machine you need to spend a lot of money for an industrial standard virtualization platform like for instance VMware ESXI Server.

Kari
My System SpecsSystem Spec
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 Fix video problems in Win7 32bit virtual machine




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