I have a machine that I use for scrypt mining that has 4 video cards. When I try to add a 5th the machine boots and installs the driver but when I go to the device manager it shows that windows has disabled 1 of the cards with the error code 43, windows has disabled this device because it encountered problems.
OS is win7 pro 64 bit. Cards are R9 270X. 1600 watt PSU and mobo is MSI Z77A-GD65 with 16 GB GSkill ripjaws 2400 MHz. memory. Google searched this but found no solutions that worked.
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