So I have bought a new MoBo, CPU nad RAM. When I start windows with the MoBo's integrated graphics card, it works totally fine. But when I put the videocard (Radeon 5670) in and connect the cable to it, the computer freezes at the MoBo's welcome screen, I can't even enter BIOS. The Graphics Card's fan is spinning.

  • CPU: AMD FX-8300
  • MoBo: Asus M5A78L-M/USB3
  • RAM: 8GB 1866 Mhz
  • Videocard: Radeon 5670
  • PSU: Logic 500W

Please help! ^^'

  • Check MOBO for LED used for DC OK if exist. Perhaps 12V dips on boot. – Sunnyskyguy EE75 Sep 19 '16 at 15:43
  • Double and triple check you have the correct cables / the card seated correctly on the mobo, also, try booting with integrated graphics and updating the Mobo. – RyanIG Sep 19 '16 at 15:48
  • "and updating the Mobo" <sic> firmware – Ramhound Sep 19 '16 at 15:57

Succeed to make it work by setting the Integrated Graphics in BIOS to PCI-GFX0-GPP-IGFX. Although it doesn't work with integrated graphics anymore at this settings, now works with the dedicated Graphics Card. ^^'

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