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Running Windows (or anything else) on your Mac Discussion of Classic or running Windows, Linux and other OSes on the Mac.

Need help installing 4850 on imac i7


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wsoong

 
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Hi I uninstalled my ati radeon 4850 using device manager on bootcamp because I wanted to get catalyst control centre to work but now i dont know how to install the card. It is no longer listed in device manager! PLEASE HELP ME!!!!!!!! I am running vista btw.
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wsoong

 
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I fixed it now.
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wsoong

 
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Hi,

I know the problem and I know the solution but I am unsure how to execute the solution. I have downloaded ATI Catalyst many times and it doesnt install the program. This is because it doesnt work with the bootcamp drivers. I need to install the vista drivers for my HD 4850 on my iMac i7. Heres the link to the solution:Solved: Problem installing ATI Catalyst Control Center! - Tech Support Guy Forums

I need help executing the solution. I just spent hours trying to install my card after uninstalling it so step by step answers would be appreciated. I am running vista via bootcamp.

Thanks
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bobtomay

 
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Note: Merged duplicate threads.

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Chef_eam

 
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I had Vista set up in Bootcamp previously and ran into problems getting the drivers and Catalyst Control Center to install as well. With the default Bootcamp drivers, I was experiencing major graphic corruption in Windows and needed to update the drivers.

So, I downloaded the ATI Radeon HD 4800 Series drivers and installed, but still had the corruption. Poking around, I discovered that only the Catalyst Download Manager had been installed, not the drivers or anything else. So, after several attempts with no success, the light bulb finally went off.

I remembered that the iMac is basically a really big notebook in a fancy case. So, I downloaded the ATI Mobility Radeon HD 4800 Series drivers and gave them a go. The GPU was detected correctly and the drivers installed and no more screen corruption or video driver crashes.

You just have to make sure you get the correct drivers, since the iMac uses the Radeon Mobility GPU....I assume so anyway. But, that's what worked for me to get the ATI drivers installed in Vista under Bootcamp.
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chscag

 
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Great post chef. I probably would not have thought of that (maybe after pulling out what remains of my hair). You're correct about the iMac ATI series of GPU processors, they are of the mobility family. Not sure if the nVidia chipsets are though?

Regards.
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Chef_eam

 
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Pulling what hair I have out is what finally made the light bulb go off (you can see from my avatar that there isn't too much left). I was about to give up on it, and figured it was worth a shot to try the Mobility drivers.
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wsoong

 
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Hello, I have an iMac i7 with an ATI HD 4850 with Boot Camp installed. I am using Vista Home Premium 32 bit on Boot Camp. I cannot install ATI Catalyst Control Center or my card. I download it and the installation is successful but the prgram is not actually installed. I think this is because of the bootcamp drivers interfering with CCC. I read somewhere that it works with vista drivers installed and bootcamp display drivers removed. I may provide a link later on if needed. Does anyone know how to get ATI Catalyst Control Centre to work with Windows?
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wsoong

 
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I mean I cannot install ATI CCC for* my card.
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Chef_eam

 
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Did you download the regular Radeon HD 4800 series driver package or the Radeon HD Mobility 4800 series package? The iMac uses the Mobility series GPU and the installation program will not recognize the GPU if you do not use the Mobility driver package, and thus it will not install the drivers or the Catalyst Control Center.

Here is a link to the download page for the correct drivers for your iMac ATI Catalyst? Mobility Display Driver .

Hope this helps.
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wsoong

 
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I downloaded the regular ones I think. I clicked on Windows Vista 32-bit Edition, Radeon, Radeon HD 4xxx Series PCIe. I'm trying your link right now. Thanks for the quick reply.
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wsoong

 
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Thanks so much. You have been the most helpful guy by far!!
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wsoong

 
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Hope your reply helps other people with my problem.
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Chef_eam

 
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I pulled my hair out trying to get the drivers to work in Vista. I had originally downloaded the regular drivers and had the same problem you are having. When I used the Mobility drivers, everything installed correctly and the graphics corruption I was having went away.
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wsoong

 
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Sorry to bother you but I now have black boxes around the edge of my screen. Only at the side measuring about 20cm. I can live with it but would it be harmful to my computer. I am running at the native res for the 27 inch lcd. 2550x1440. I can still see my shortcuts in the black parts though. Just the desktop vista wallpaper is shrunk.
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