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Discuss Dual Monitors with HD4850 at the Installation - Hackint0sh.org; Ok so after tons and tons of research, trial and error and no sleep I ...
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    Default Dual Monitors with HD4850

    Ok so after tons and tons of research, trial and error and no sleep I got Mac Os installed on my pc. Everything is running great. I have it dual booting With windows 7 and the only thing left is audio and dual display support. I can care less about audio. Anyways I got my drivers installed for my HD 4850 video card. See below. The problem Im having is that I can not change the arrangement of my monitors. In fact it doesnt even detect my other monitor yet its on and mirroring everything on the first monitor. When I unplug the first monitor then the name of the display goes to VGA Device or some such. When I put the PC to sleep and wake it up the second monitor never comes back up. Even if I click detect monitors I cant get MacOS to recognize it. Any ideas? These monitors are both exactly the same and both work fine in Windows.

    ATI Radeon HD 4850:

    Chipset Model: ATI Radeon HD 4850
    Type: Display
    Bus: PCIe
    Slot: Slot-1
    PCIe Lane Width: x16
    VRAM (Total): 1024 MB
    Vendor: ATI (0x1002)
    Device ID: 0x9442
    Revision ID: 0x0000
    ROM Revision: 113-B1480A-236
    EFI Driver Version: 01.00.236
    Displays:
    VA902b:
    Resolution: 1280 x 1024 @ 75 Hz
    Depth: 32-Bit Color
    Core Image: Hardware Accelerated
    Main Display: Yes
    Mirror: Off
    Online: Yes
    Quartz Extreme: Supported
    Rotation: Supported
    Display Connector:
    Status: No Display Connected



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    Default For "free"??

    You expect an answer to this for free?

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    Yes an why wouldn't I? This is a forum, should I be paying for something?

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    Hey valleyman86

    i have exactly the same problem, i searched the whole Internet for an answer but couldnt find anything.

    Is there anybody who can help???

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    Hackint0sh Moderator Array icchansan's Avatar

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    Default

    Did you guys check on netkas site, hes working with those cards, take a look there, you can always ask in his forum, I think it should support dual monitor, but check and report back
    HP Pavilion Elite m9250f
    Snow Leopard 10.6.6, Asus IPIBL-LB MOD BIOS, Intel Quad Core Q6600, 4GB RAM (800mhz), 2x500GB, nVidia 8600GT (Works), ALC888S (Works), Wireless RT73 (Works), LAN (Works) - How to Install - Blog - Hardware Combos - FAQ by TJ2K7
    Macbook Pro 13"
    iPhone 4
    Follow meh: @icchansan

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    yea I looked at his site. Great stuff! I was unable to get dual boot to work. I almost think its my monitor because my system profile says exactly what his does. The weird thing though is I can make both my monitors work but only one at a time.

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    Respected Professional Array hquest's Avatar

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    Quote Originally Posted by valleyman86 View Post
    Displays:
    VA902b:
    Resolution: 1280 x 1024 @ 75 Hz
    Depth: 32-Bit Color
    Core Image: Hardware Accelerated
    Quartz Extreme: Supported
    I assume this is a Leopard installation (not a Snow Leopard), as SL do not has anymore CI/QE outputs on System info.

    Still, 4850 cards are PITA. Depending on the brand/model, they do not work at all. No idea yet why.

 

 

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