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h270m-itx/ac

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Xaltar View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Xaltar Quote  Post ReplyReply Direct Link To This Post Posted: 07 Mar 2017 at 5:02am
That is weird, the reset switch would only short if it was pressed but hey, glad you got it working Thumbs Up
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Kid007 Quote  Post ReplyReply Direct Link To This Post Posted: 07 May 2017 at 2:40pm
Hi Guys! I have boot problem as well. New h270m-itx/ac board. No additional vga, i5 7600k, kingston ddr4 16gb 2133mhz (in one slot)... Can't boot from dvd, can't boot from pendrive. When i try the result is the same: Windows dows logo appears and the machine gets frozen.. tried Windows 10 and 8.1 bootable usb made with rufus... Reset switch not connected... I have tried various versions of the pendrive formatting (eg fat32-mbr and fat32-gpt etc etc)

Can anyone hello?
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Kid007 Quote  Post ReplyReply Direct Link To This Post Posted: 07 May 2017 at 5:53pm
Actually most of the Time when the Windows logo appears, the machine retarts... Tried to disconnect SSD (no hard drive) and tried with hdd. Pendrive is in usb 2.0 port.. when try with dvd the boot fail át the same point...tired cmos reset, update uefi via internet. Tried to move the ram to the other slot... There is an installed win10 ön the SSD, tried to boot IT, but IT dies át the same point - the only difference is te "try to repair.." string under the Windows logo...

Can somebody help me?
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Kid007 Quote  Post ReplyReply Direct Link To This Post Posted: 07 May 2017 at 6:29pm
....also tried every variations with secure boot (enable/disable) with csm (enable disable, legacy only, uefi only)... And cant find supported parts list for MOBO
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Xaltar Quote  Post ReplyReply Direct Link To This Post Posted: 07 May 2017 at 6:52pm
Could be RAM incompatibility. Am I correct in assuming that you are using a single 16gb stick? 

I would try some different RAM to test.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Kid007 Quote  Post ReplyReply Direct Link To This Post Posted: 07 May 2017 at 7:31pm
Yes, IM using a snlge 16gb stick. Tried to enable XD but cant find... Dont have other ram at home ?˜¶
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Kid007 Quote  Post ReplyReply Direct Link To This Post Posted: 07 May 2017 at 7:36pm
Memory type: kingston hyperx fury HX421C14FB/16
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Kid007 Quote  Post ReplyReply Direct Link To This Post Posted: 07 May 2017 at 7:43pm
...By the way i have tried with 8gb stick with the same result.. on usb 2.0 port with no usb 3.0 ports used at all.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Kid007 Quote  Post ReplyReply Direct Link To This Post Posted: 07 May 2017 at 8:07pm
My ram is not listed on QVL...

http://asrock.com/mb/Intel/H270M-ITXac/index.asp?cat=Memory#Memory
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Post Options Post Options   Thanks (0) Thanks(0)   Quote bamalucky Quote  Post ReplyReply Direct Link To This Post Posted: 04 Jun 2017 at 7:55am
I have the same issue - but I think the problem is with the motherboard.

I recently purchased 40 of these motherboards, building identical units. Ram = corsair 16gb, i5 kaby lake.

out of 20 builds, i have two units that will not software reboot. They will software shutdown - but will not restart.

i have tried unplugging the reset switches on these two problematic units. 

Other units are identical (all machines are clones) and the others reboot properly.

my next step is to swap out RAM on the problematic units / then swap out the CPUs. However, I strongly suspect that the problem is with the motherboard. 


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