I have had trouble updating an ati radeon hd4830 graphics card on my hp envy. When I updated I would get bsod on win7. I decided to upgrade to win8. The upgrade would fail with no error code. So I do a clean USB install of win8. It completes the install an I start setting up win8, once I finish and it tries to boot into windows it crashes and says error video tor failure (atikmdag.sys). Also the...
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