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I just joined these forums to post exactly the same issue on Z270X ultra gaming. I have been testing for 2 weeks and have the same restart issues with XMP, but also getting bsod's occasional in Win 10 clean instal when XMP turned on to reflect my 3200 ram - my ram is on the compatible list for my board.

Corsair CMK16GX4M2B3200C16 is the same as mine. Yours has it as compatible on their support list  when I searched on the memory support page..


We are checking same memory model and will keep you updated with test result asap.

Please wait for it.

Best Regards,
Graphic cards / GTX 1080 Xtreme stuck in VR Mode
« Last post by adtither on May 22, 2017, 09:59:08 pm »
Hey guys,

So I have a problem with my card. It seems to be stuck in VR mode (Never used the VR attachment).
Only one display port and one HDMI are working.

Anyone know how to kick it back into standard mode?


Motherboards with Intel processors / Re: Z270-HD3P - shutdown instead of restart
« Last post by Rapkix on May 22, 2017, 06:35:27 pm »
Seems like there is no answer from gigabyte or any solution (except reflashing to F4, which i am not gonna do it for some risks). And this problem persists also as i can see on other boards too. Gigabyte, come on. Let's make new BIOS with fix for us. Anyway i have Corsair memory too, exactly this model CMK16GX4M2B3000C15  (Corsair Vengeance LPX 2x8GB, 3000Mhz, CL15, 1.35v). This memory is on QVL, so this memory was tested by Gigabyte and its certified for this mainboard. So i am really disappointed from this. Also i´ve wrote on Gigabyte support.

Motherboards with Intel processors / Re: GA-X170-EXTREME ECC , BIOS f20, USB bug
« Last post by lude on May 22, 2017, 06:30:08 pm »
Sorry for the late reply, for some reason I'm not getting any mails altough I'm subscribed to the topic.

Skylake Xeon 1275-v5, 64GB ECC, Kingston. I can find out the exact type if needed.

Well there's not much config going on in BIOS. Everything is either default, auto or enabled.
The weird thing is everything works. At least the plugged devices.
Thunderbolt is enabled in BIOS but I have no thunderbolt devices.

Since now there's a new error
Code: [Select]
[    1.328472] hub 4-0:1.0: USB hub found
[    1.328474] hub 4-0:1.0: config failed, hub doesn't have any ports! (err -19)

Seems like USB is dying.

W10 error about some recently configured device that is no longer working.
And I disabled the "device" but still get the message on every new boot.

I had the USB3.0 connector plugged in the port most far away from the edge (I don't have a manual handy to exactly tell you what it's named). It worked then stopped working. I thought maybe I pulled it out while closing the case or something.
Well then I opened the case again and unplugged it and plugged it in and it didn't work.
Then I unplugged it and plugged it in the other USB3.0 port.

The USB2.0 connector is not as pretty as the USB3.0 one so it's attachend to some pins and I never had any problems with those.
Stuff that's plugged in works.
Right now there's a mic plugged in Rode NT USB.

On the backside ports a Roccat MK Pro keyboard is plugged into 2 ports in which has 2 USB 2.0 ports builtin.
And a Benq PD3200U which has a SD card slot and 2 USB3.0 ports builtin.

USB3.1 isn't used.
The SD slot is empty.
There's a mouse plugged into the keyboard and a Hyperx Headset.

I believe it's best I contact Amazon to exchange it.

Those errors didn't occur before F20 bios was flashed.
However F1 bios had an error where it would create a new efi boot record on every new boot.
I had to manually delete the boot entries with efibootmgr (almost 200 entries, which also made the boot up process very slow before I deleted them), which is also why I was happy to see that there's a F20 BIOS available.

Hard to diagnose intermittent failures over the internet.  Possible solutions:
Disconnect power to the board and perform a battery pull.  Re-insert the battery, reconnect power and retest.

If the board has a CLR_CMOS jumper, you can also short this as an additional measure.

Try invoking boot from the back up BIOS. 

Test the disk.  If the disk passes health checks, try replacing the SATA cable.  If you continue to receive this error after confirming operation of other components and resetting the BIOS, it likely is the controller on the board. 
Good Morning,
my name is Luke and I am a new user. My pc is equipped with a motherboard Gigabyte Z68X-UD3H-B3 rev. 1.3 and the PSU is a Corsair TX850.
Even if my pc is plugged-in through an UPS, suddenly, after a beep, it turned off. When I tried to restart the system, (Windows 10 Home 64 bit) it was not loaded anymore and the following errors appeared:"Controller failure-No port detected-No device detected". Now the Sata III disks (Kingston SUV400S37240G and WD10EARX Caviar Green) are not properly recognized and I cannot enter the BIOS. I have reinstalled Windows 10 and sometimes it works, some others it is not loaded. Then the SSD icon is in the taskbar as it were an external USB drive. My Device Manager shows no errors.
Has somebody any idea how I could solve my problem?
Thank you all in advance for your help.
Motherboards with Intel processors / Re: GA-Z270X Gaming 7, is this reboot normal?
« Last post by ianf on May 22, 2017, 01:23:46 pm »
I just joined these forums to post exactly the same issue on Z270X ultra gaming. I have been testing for 2 weeks and have the same restart issues with XMP, but also getting bsod's occasional in Win 10 clean instal when XMP turned on to reflect my 3200 ram - my ram is on the compatible list for my board. I have come across others on google with the same issues, appears to afflict all these z2700x series of gigabyte gaming boards. Very frustrating, i dont know whether to rma board for another make or await a fix, will they fix when they say they cant replciate the issue though! I was okay with no wierd restarts or bsod's on F4 for my board as well.
I think they are not testing the issue the right way.

If you do optimized defaults, then set XMP, and reboot it will work normally. Until you do a cold boot.
Afterwards you get the reboot issue.

They probably didn't test that.
They just rebooted and saw that it was working.

We are very likely not the only ones with this problem. I guess we can only wait for a new BIOS.
In the meantime stick with F4 or set the memory mhz a bit lower (2666mhz)
Hi, I'm new here, just want to point out some issues and see what fixes are available with the Z270X Ultra Gaming and bios version F6.
I was on F4 bios and all was okay. I updated to F6 (non down gradable) and now I have 2 issues which are really annoying me! My ram is listed as compatible on the specs for this Mboard. Corsair CMK16GX4M2B3200C16 16 GB (2 x 8 GB) Vengeance LPX DDR4 Memory Kit. On the F4 bios I could enable XML profile 1 and all was good windows and bios had the memory set at 3200.
On version F6 using this setting leads to 2 issues: 1 occasional BSOD's on windows 10 clean install, these are unpredictable and often happen when closing a program or when pc is doing nothing unattended. 2 upon using restart the system now appears to shut down for 2 seconds then restarts, like a cold boot.
If I go bios and disable the XML the memory defaults to the usual DDR4 2133 speed and both issues are gone – no BSOD’s and normal restart behaviour. I have been testing this for 2 weeks and am an experienced IT tech.
There is obviously something wrong with bios F5 / F6. I note on google it’s not just this board but other Gigabyte variants of it, one of which is the gaming 7 and mentioned in this thread where even the beta 7 bios has the same issue.
I have spoken to Corsair and entered all the timings voltages etc manually – but to no avail both issues still present going this route.
Is there a fix on the way, are gigabyte doing anything about these issues? My board is now just over 2 weeks old and I am tempted to return and buy and asus or msi that don’t have these issues and will run my compatible ram at its correct speed of 3200. Opinions?
To sum up, nope still nothing. Identical issue with both boards still with all suggestions tried. One thing that does concern me is there is no beep when powering on which says to me that its not even reaching post.

Any other ideas? Really doing my head in as I have £200 worth of boards that turn out to be worthless.

Any help is thanked for in advance.

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