So here is my problem, i purchased a Diamond Technologies AMD Radeon 7870 video card double diamond overclocked edition. I plugged it in and it will not become recognized on my system. i even swapped it for a new card off same make and model as I thought it might be bricked. I upgraded my PSU to a Cooler Master 750w single rail unit. motherboard is a Biostar MCP6P M2+.
Processor is an AMD Athelon II X2 255 3Ghz processor. running two 2gb sicks of DDR2 memory. 1 hitachi 640GB HDD, 1 Hitachi 40GB HDD, 1 Pioneer DVD/CD drive. Graphics card has two PCie-6pin power connections. when I plug both in the computer refuses to start. plug only one in and it starts but not recognition of the card. the card fan spins either way. what am I doing wrong?
Processor is an AMD Athelon II X2 255 3Ghz processor. running two 2gb sicks of DDR2 memory. 1 hitachi 640GB HDD, 1 Hitachi 40GB HDD, 1 Pioneer DVD/CD drive. Graphics card has two PCie-6pin power connections. when I plug both in the computer refuses to start. plug only one in and it starts but not recognition of the card. the card fan spins either way. what am I doing wrong?
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