I am having the assembled computer system and i am having the ATI HD 5770 graphic card installed in th9is computer system. Now i have upgraded the operating system of this computer system has the Windows 7 operating system. Previously this computer system was having the Windows XP operating system. After the installation of the Windows 7 operating system i am not able to find and install the driver software for this graphic card. I am having trouble with ATI HD 5770 Graphic card driver in Windows 7 operating system.
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