Robert McLaws: Windows Edition

Blogging about Windows since before Vista became a bad word

Getting Legacy ATI Mobility Drivers working on Windows 8 x64

I'm going to keep this one short and sweet. Windows 8 throws up a ton of new hurdles around getting old drivers to work, especially video card drivers. On top of that, some of the tools used to help make these drivers work on WIndows 7 and earlier have been broken for a while. So here's how I got the ATI Legacy Graphics Drivers working on my ATI Mobility X1600 on my Acer Ferrari 5000.

  1. Download the ATI Legacy drivers (x64 | x86). Install them, going all the way until they fail.
  2. Download the ATI MobilityModder and install it. When it is finished, copy this patch to "C:\Program Files (x86)\MobilityDotNET".
  3. Run the MobilityModder from the Start Menu, then select "C:\ATI\Support\10-02_legacy_vista32-64_dd_ccc" as your location, and let the Modder do its thing.
  4. Open an elevated Command Prompt and type the following commands:
    1. bcdedit /set {current} testsigning on
    2. bcdedit /set {current} nointegritychecks true
  5. Close the elevated prompt.
  6. Click the Start Menu and type "gpedit.msc" and hit enter.
  7. Nagivate to "User Configuration (2nd node) | Administrative Templates | System | Driver Installation | Code signing for device drivers"
  8. Enable the policy and set it to "Disabled".
  9. Restart your machine.
  10. When it comes back up, navigate to "C:\ATI\Support\10-02_legacy_vista32-64_dd_ccc\Packages\Drivers\Display\LH6A_INF\CH_95951.inf"" right-click it, and select "Install". You will get the familiar red dialog warning you about installing unsigned drivers. Throw caution to the wind and continue.
  11. Move your mouse to the bottom right corner of your primary monitor, and right-click. Select "Device Manager" from the menu.
  12. Expand the "Display adapters" section. You should see "Windows Basic Display Adapter". Right-click it and select "Update driver software".
  13. Click select "Browse my computer for driver software" and then "Let me pick from a from a list...".
  14. Lo and behold, your driver should already be there, along with the "Basic Display Adapter" option. Select it.
  15. Marvel as it installs.
  16. Enjoy your native laptop resolution and secondary monitor, profit, etc.

HTH. Thanks to a post by Lars Michelson for the help in finding the MobilityModder patch.



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    What "patch" are you referring to in step 2? The modder keeps crashing for me :(.

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  • Stan said:

    You are a legend thanks got an old Fujitsu N6420 X1400 working on windows 8.......for those who are seeking the patch read towards the end of the like a charm and first time.

    Important - When installing the ATI drivers just after it installs the files and just after the catalyst splash screen click cancel - do not let it go past extracting the files.

    October 24, 2012 6:52 AM
  • Bk said:

    wow it works!

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    October 24, 2012 12:07 PM
  • d3berger said:

    Thank you so much. I got my AMD 690G motherboard display working. For anyone else following this guide you can get the patch for step 2 at the bottom of the steps.

    October 27, 2012 8:58 PM
  • Cars said:

    Just to say that if, after following these steps, you're left with "Test Mode" displaying on your desktop, just reverse the first bcdedit command, i.e. open an admin command prompt and enter: bcdedit /set {current} testsigning off

    October 30, 2012 11:09 AM
  • Kenneth Hart said:

    This was an interesting read, to start for me. However I found it un-required in my case. I downloaded the Legacy 64-bit windows for my x1200 Series latop. I installed the software to the C:\ATI and then went into the explorer mode of Windows 8, to the Device Manager and where the Windows Generic Driver was located I right-clicked and selected "Update Driver" installing from a specific Directory I allowed it to auto search, verified that I trusted the manufacturer and *BAM* I've got the correct driver, full range of resolutions and the second monitor (in this case a 32" LCD with HDMI out) functions just as it did with Windows 7. Very simple resolution.

    October 31, 2012 12:33 AM
  • sjc77 said:


    I got this to work on my Dell9400 with ATI X1400. I needed to get the Modder.exe files from the "Lars M" Link at the bottom of your post. Also i needed to reset the bcedits as it shows "test mode" bottom right of desktop but that was easy to do.

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    October 31, 2012 11:42 AM
  • Kite said:

    Thank you very much for that great post!

    I'm running a Radeon X2300 on my 5-year-old ASUS laptop and recently decided to move on to Windows 8 (32-bit). Your instructions were very easy to follow, but for me Windows 8 displayed an error message after the drivers got installed, mentioning something about the device beeing disabled because of an error of some sort (error 42 or 47...). However after a reboot of the system the drivers were running smoothly and the desktop at once featured a higher resolution.

    The difference in OS-speed is amazing now that my graphicscard can finally take over the rendering :)

    October 31, 2012 5:31 PM
  • Getting Legacy ATI Mobility Drivers working on Windows 8 x64 - Robert McLaws: Windows Edition

    September 14, 2014 9:04 PM