amd radeon 6600m and 6700m series don't work in windows 8 ? what i do now ?

HI Finland Darknes,

Thank you for posting this in Microsoft Community.  I apologize for inconvenience; I would request you to send us more information as listed below to assist you better.

Are you using Desktop or Laptop?

What is the model of the computer?

Check the link below if the video card  is compatible to windows 8

http://www.microsoft.com/en-us/windows/compatibility/win8/CompatCenter/ProductViewerWithDefaultFilters?TempOsid=win8&Locale=en-US&Type=Hardware&ProductCategory=Graphics%20cards%20%26%20components&CurrentPage=0&TotalPages=1&ShowCriteria=0&SortCriteria=Relevance&Compatibility=Unknown&LastRequested=2

Try downloading the drivers from the manufacturers website and install them

 AMD Radeon™ HD 6700M/HD 6600M Series Graphics

 http://www.amd.com/us/products/notebook/graphics/amd-radeon-6000m/amd-radeon-6700m-6600m/Pages/amd-radeon-6700m-6600m.aspx#1

I would suggest you to try the following methods and check the issue status.

Method 1:

I would suggest you to run the Hardware and devices troubleshooter to diagnose the exact issue.

Follow the steps:

a.       Press “Windows Key + C” to open Charms Bar.

b.      Select Search option.

c.       Select “Settings” then type “Troubleshooter” in the Search box and hit enter.

d.      Select “Hardware and Sound” from the Troubleshooter Window.

e.      Select “Hardware and Devices” under Devices option.

f.        Follow the On Screen instructions.

Method 2:

I would suggest you to download and install the drivers from manufacturer’s website in Windows 7 compatibility mode, then check if this fixes the issue.

http://windows.microsoft.com/en-GB/windows-8/older-programs-compatible-version-windows

Follow the steps:

a.       Download the driver setup file and save it on your local disk.

b.      Right click on the setup file of the driver and select “Properties”.

c.       Select “Compatibility” Tab.

d.      Make a check mark next to Run this program in “Compatibility mode” and select Windows 7 from the drop down list.

e.       Let the driver to install and then check the functionality.

 If the issue still persists, I would request you to reply us with troubleshooting result to assist you further. We’ll be happy to assist you.