i got a new PC recently, and i'm having the same problem, i did upgrade my BIOS to newest. but still can not run my ram at 3200mhz, gives me all kind error, (error 55 no ram installed, or don't shut down, or won't reboot), and i can not past the stress test. but if i dont use XMP mode, runs on 2133mhz, then everything is fine.
i'm using corsair CMK32GX4M2B3200C16, motherboard: asus maximus viii hero, and i7 6700K.
are there any solutions yet? please let me know.