Info [Solution] Ryzen 2700x , Nvidia GTX 780 , White LED on motherboard B450-F

Feb 23, 2019
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Dear All,

There are many threads out there on GTX780 incompatibility with Ryzen 2nd Gen. I was trying to post but kept on getting white led on my motherboard with no post... here is my setup and final solution.

Ryzen 2700x
Motherboard B450-F
Graphics card GTX 780
Ram G-Skill Flare X 3200Mhz C14 latency

For some reason Ryzen 2700x and Nvidia GTX780 doesn't like to work well together. Here is how things worked for me in the end.
  • I bought a cheap graphics card of eBay for £30, Geforce GT710.
  • Now you should be able to post. Update the BIOS via the UEFI
  • In the UEFI, go to on-board chip settings and change the PCI-E lane 1 mode from Auto to Gen2
  • Save changes and restart
  • Replace the graphics card with the GTX780
You should be good to go...

I hope this will help someone in the future as it was very frustrating experience.
 

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