ROG Strix X470 voltage values interchanged

Jun 4, 2018
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Hey everyone, I have what seems to be a very weird problem... Just completed a new build using an ASUS ROG Strix X470-F Gaming. Specs are:

ROG Strix X470-F Gaming
AMD Ryzen 5 2600x
16Gb G.Skill Trident-Z DDR4 RAM
Sapphire Nitro+ Radeon RX580
DeepCool Captain 240 EX RGB AiO Cooler
Corsair RM750x PSU
Samsung 970 EVO 256Gb NVME M.2 boot drive
Samsung 860 EVO 1Tb SSD

So here's the problem: the system boots up fine, but when it gets into Windows (10), I get a message saying, "Warning +12V voltage 3.313v"
Checking the voltages as displayed with AI Suite, it shows the +12v value as 3.313v, and the 3.3v value as 12.099v. In other words, the +12v and 3.3v values seem to be interchanged. The system will run fine for a random period of time, then the screen will go black, and the system locks up, requiring a hard reboot at the PSU to start up again. And here's some more weirdness... The voltage values as displayed in the BIOS are correct. I swapped out the PSU for a known-good one from another system (same wattage), removed and reinstalled my graphics card (which had been running fine in another system prior to installing it in this one), checked all power cables and connections, and even tried clearing CMOS. I flashed the BIOS to 4011 as soon as I had completed the build, so old BIOS is not the problem. Heck, I even flashed it back to the earlier version just to see if that would do anything, which it didn't. Anybody out there have any ideas? Thanks in advance for any help.
 
Jun 4, 2018
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I imagine that's what I will end up doing, I'm still waiting on a reply from ASUS tech support, just in case they have another solution. I have to say I'm VERY disappointed in ASUS, it appears from what I've seen on various forums that a lot of their newest motherboards are quite buggy, especially the AMD AM4 socket ones. I've always had good luck with ASUS products, which is why I decided to go with them instead of an X470 motherboard from another manufacturer.
 
I feel you,

I think there are lots of good product around, but generally we don’t have enough budget to mess up a purchase. Doing all homework and reading reviews and turns out the board you bought is faulty. Happens with all mobo makers.
I hope Asus can help you to get the issue resolved ASAP.

Good luck.
 
Jun 16, 2018
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i am also having issue with this motherboard the screen will go black and power button and reset button not working at all i need to reset from the PSU after chaecking asus forums some guy told the issue is because using multiple monitor software such as HWmonitor and Asus AI which causing conflict i uninstalled AI and everything went fine for one week till i decided to test using Prime 95 while HWmonitor is on and the same issue happens when i stop prime 95 then i uninstalled everything and tested with prime multiple times and it worked without issues i don't know if this issue in the Mobo and it can't be fixed or just issue with with bios and it need to be fixed by asus but what i know this is not since and if it can be fixed by asus it should be done fast