5 Replies Latest reply on Mar 16, 2016 5:07 PM by brucer

    computer no longer boots after installing R9 390


      I recently upgraded from an HD 6900 Series adapter to an R9 390. The card ran great for a few weeks. Then, quite suddenly, my whole computer would power off. Eventually, it would not boot at all. Ultimately, I tried putting the HD 6900 card back in and the system powered on fine. I have a 750 watt PSU. So, I don't think that was a problem. I've tried different PCI slots to no avail.


      Here's some info on my system:


      Operating System: Windows 7 Home Premium 64-bit (6.1, Build 7601) Service Pack 1 (7601.win7sp1_gdr.160121-1718)

      System Manufacturer: Gigabyte Tecohnology Co., Ltd.

      System Model: X79-UD3

      BIOS: BIOS Date: 11/02/11 13:46:55 Ver: 04.06.04

      Processor: Intel(R) Core(TM) i7-3930K CPU @ 3.20GHz (12 CPUs), ~3.2GHz

      Memory: 8192MB RAM


      Any recommendations on how I can fix the card?