disable it in the bios
Im tring to install a Radeon 7500 series Graphics card to my HP Pavilion 700 mhz , on board graphics is 82810 Intel graphics controller Intel chipset says it supports Radeon series . I have tried multiple options with no luck in disableing old graphics nothing shows up in add/remove relating to it. I have tried Device manager unclicking exists in all hardware(old onboard graphics) then rebooting with new card Radeon software will not install properly What is the exact procedure needed to sucessfully install this card im exhausted!!!

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