MS-7926 (Z97 GAMING 9 AC) BSOD + Memory Problems

Hello All,
i have some trouble with my new system.
- MS-7926 Rev 1.0 (MSI Z97 GAMING 9 AC) with BIOS/UEFI v1.4 (but same with v1.3)
- Intel i7-4790K (with Prolimatech Armageddon)
- 16GB (4x 4GB) Crucial Ballistix Tactical Tracer 1866
- Gigabyte GTX770 Windforce 3 4GB (working stable for several months in my old system)
- Windows 7 x64 SP1
After completion occured some unnormal BSOD with unspecific Error Codes even in Idle-Desktop, e.g.. 0A (IRQL_NOT_LESS_OR_EQUAL), 1E (KMODE_EXCEPTION_NOT_HANDLED), and some others. I reinstalled Windows and drivers again but problem stayed.
Then i used MemTest86+ v5.01. While 4 passes only 1 time an error happened. While Test #7 at 0.0 MB (seems DIMM1). I exchanged DIMM1 with 4 and tested further. Again 1 error in 3 passes. This time at 0.8 MB (again DIMM1). The former DIMM1 now at DIMM4 produced no errror.
I exchanged the board. BSOD are now less often but still there. Again MemTest finds the same strange error only in DIMM1, equally which of the 4 same modules sits in there.
I've found some reports about problems with Crucial Ballistix and MSI Boards and now i wonder if someone has running such combination without problems?
Any other thoughts to solve it?

That is most likely the issue. That is called mixing which is NOT recommended, especially if all of these were separately sold sticks.
Even mixing of 2 kits of 2x4 can be an issue.
If you are able to borrow MATCHED 4x4 set from a friend/colleague from work, then do it so you can test how it works.
As these are Crucials, I would contact them and ask if they could replace 4 separate modules for 1 matched kit. At least Corsair does similar, so hopefully Crucial would do it too.

Similar Messages

MSI Z97 Gaming 7 power up problem

Hi
Just build a new PC with Z97 Gaming 7, but when powering up it lighten up and the debug led is runing through a lot of numbers and then it powers down. It takes only a few seconds.
I have measured the voltage on pin JPWR1 an JPWR2 and all the levels are correct.
I have cunsulted the manual for levels on the V-Check connector but I can't find any.
I have measured the voltage on that connector and they are as follows:
Pin1 - VCCIN =1.765V
Pin2 - DDR =1.5V
Pin3 - Core = 0.75V
Pin4 - GFX = 0V
Pin5 - Ring = 0.76V
Pin6 - C_SA =0.9V
I have tried to unplug all the connectors (SSD, HDD, DVD, Fan's etc.) one at a time with no result.
I have tried to set RAM in different positions (got two blocks of 8Gb).
1. Dimm1 and Dimm2
2. Dimm1 and Dimm3
3. Dimm2 and Dimm4
4. Dimm1 (only one block and tried both seperate)
Same result
I took the graphic card out and the WiFi PCIe card - same result.
I took the JPWR2 power plug out and then it didn't power down but of course the CPU is not running then.
Hope someone can help me, please
/Mads
My setup is:
Board: X97 Gaming 7
Bios ver: Default as derlivered(Can't see it because it never boot up)
Video Card: MSI N750Ti TF 2GD5/OC (2 GB)
PCU: Enermax MaxPro EMP600AGT
CPU: Intel Core I7 4097 LGA1150
RAM: Corsair Dominator Platinum 2 x 8 GB
SSD: Samsung 850 EVO MZ-75E250 250 GB
HDD: WD Blue WD10EZEX 1 TB
CPU Cooler: Scythe Shuriken Rev.B SCSK-1100
WIFI PCIe card: ASUS PCIe Wireless N
DVD-drive: LiteOn IHAS124
OC: No
OS: Win8.1 64bit

double check all power cables, ensure that everything is plugged correctly
if problem persist:
Quote
RAM: Corsair Dominator Platinum 2 x 8 GB
leave 1 memory stick only
Quote
SSD: Samsung 850 EVO MZ-75E250 250 GB
remove, disconnect this one
Quote
HDD: WD Blue WD10EZEX 1 TB
remove, disconnect this one
Quote
DVD-drive: LiteOn IHAS124
remove, disconnect this one
Quote
WIFI PCIe card: ASUS PCIe Wireless N
remove, disconnect this one
then retest
if no change:
take out mainboard out of PC case and place it over non conductive surface
then retest again
Quote
CPU Cooler: Scythe Shuriken Rev.B SCSK-1100
if still no change:
reseat the CPU and check board for bent pins
also for a test try stock standard cooler CPU instead this one

Z97 Gaming 7 First build problems

First here's my build:
Phantechs Pro Full Tower Case
MSI Z97 Gaming 7 Motherboard
Intel i7-4790K Processor
Corsair Vengeance Pro 16GB (2x8GB) DDR3 2400MHZ PC3 19200 Desktop Memory
Intel 120GB SSD, Windows 8.1 Pro
MSI Geforce GTX 970 Gaming 4GB Graphics Card
EVGA SuperNova 750G1 750w 80+ Gold Haswell Certified PSU
Corsair H100i CPU Cooler
I first built the system in feb. 2015 and i set it up in bios for raid 0 with 2 samsung 850 pro's 250gb for O.S. and had win 8.1 features off, fast boot off and installed windows then updated graphics driver and all motherboard drivers and successfully updated bios to latest i believe 1.7, then i installed all my games and rendering software and went through each to set up, everything seems fine for a few days of gaming and video rendering with i think very cool cpu temps of 28-46 degrees C, after about 3 days of no signs of problems the sytem just goes blank! Complete shutdown! with no signs of life whatsoever! I unplug the power and reset cmos with nothing, i take everything out the case and place MB on its box and just use psu one stick memory in slot one or a1 and nothing but board graphics to monitor and it would never do anything so i rma'd the mb, when the replacement arrived i did a out of system post testing on box with everything passing to post fine, so i installed into pc case only thing different this time around i used a intel ssd in ACHI mode with win 8.1 Pro features on and fast boot because i read up on the samsung ssd drives having compatibility issues with some newer mb's so once all together i installed windows again thank god for flash drives because my 8.1 pro will install in bout 5 minutes from usb! ok installed and updated just as before and everything seems fine with temps no errors anywhere! after bout 2 days it just shutdown again with nothing happening like no lights on board or any sign of power so i took psu out and done a power fan on test and was good! I took mb out and box test everything i possibly could to get life out of it but none! Once again rma'd it! Ok so then i was in a two week turnaround with that mb so i figured what the heck i'll order from good ol amazon a new mb but i wanted to see if it was my particular type mb so i ordered a z97 pc mate with making sure all componets was on its compatiblity list! once arrived done exactly as my 2nd time with the same results, after a few days of on and off and rendering and gaming with cool temps it just went blank, no power! any resetting cmos or changing sticks of memory or anything would change it! I really need ome advise! I about ready to take everything to my burn barrell out back!

So.. Memory could cause issue with boot but not really killing whole thing. I had motherboard a while ago that RAM slot got burnt. But I was able to boot fine when I have put the RAM stick into other slot so RAM in your case should not kill whole thing, especially if you havent populated all slots. CPU.. very rare to be the issue but may happen. Case.. yes might be shortening motherboard killing it by the end. So when you get new part(s), run your system on motherboard box for few days. If nothing happens then you can take risk of placing it into the case.. but not sure if its worth the risk if it is indeed a case?
PC tech without equipment to test(at least PSU and RAM)? Weird.

Z97 Gaming 5 BIOS update problem.

Hi. Firt of all i want to apologize for my bad english .
Yesterday i bought MB form subject and i want do update my bios ( curently ver 1.4 ). When i want flash under Windows ( Windows 8.1) program doent do anything, when i use M-Flash it stucks on 100% and also do anything and when i use MSI Forum HQ USB flashing tool after integry veryfy in wondows program just disappear. Someone please help.
Specs:
Board: MSI z97 GAMING 5
Bios: Version 1.4
VGA: MSI GTX 970 Gaming
PSU: Corsair RM850
Intel Core i5-4690K
MEM: Kingsotn HyperX 4x4GB 1600Mhz
SSD1: Samsung 830 128 GB
SSD2: Samsung 840 EVO 500 GB
HDD1: WD10EZEX 1TB
HDD2: Samsung SpinPoint F3 HD502HJ 500 GB
COOLER: Macho Rev. B
OC: NOT YET
OS: Windows 8.1 x64

Thx for reply
Quote from: Nichrome on 04-June-15, 16:00:37
However if you need BIOS update prior to have some RAM or GPU working fine (or other stuff), then maybe consider updating to 1.6 and then to 1.9 and finally to 1.B (1.11). I suggest using MFlash (files can be downloaded on MSI's product site, instructions should be included). For Forum Flash tool you need proper files provided (usually) by Svet or Flobelix.
Before attempting to flash, make sure your system is stable!
I downloaded BIOS 1,5 and 1,6 and in both cases i have same issue it stucks on 100% on M-Flash, after this I can normaly shut down pc and it work but witch 1.4 BIOS. I just want know whyi can;t
updtate.
Video from using Forum Flash Tool:

Z97 Gaming 3 board SBC2 problems

I recently bought a Z97 Gaming 3 Board and installed all the drivers with the CD and live update 6.
Whenever i open Sound Blaster cinema 2 it says that theres no audio device available.
I've tried the following thing a couple of time wich i found on this forum.
i've uninstalled the realtek Audio program, SBC2 and deleted all the audio devices in Device manager.
reinstalled the Realtek audio (from website and antoehr time from the update tool again) After that reinstalled SBC2 (also from website and update tool) and i still get the same message.
HD sound is enabled in the BIOS
I hope someone knows a way to get my SBC2 working, because it improves sound.
Im using a 5.1 Headset( connected the Sound optimised USB, and a 2.1 audio set connected to the 3.5 jacket on the back
Thanks for the time
i5 4690k
8gb Ram 1600mhz
MSI GTX970
sythe mugen 4 cooler
690II coolermaster with window
600w PSU
256gb Crucial mx100

SB2, or any other Realtek/Creative offering made to enhance the analog audio subset isn't going to recognize a USB headset and work with it. You would need to be using a normal analog headset for SB2 to "see" it and use it's functionality. USB is separate from your regular motherboard analog audio source. For instance I have a Z87 G43M that has the Creative SoundBlaster Cinema. It's not going to work with any USB headset only a regular 3.5mm connector headset.

Z97 Gaming 5 + Nepton 280l Problems

Hi
first of all thank you for reading my Topic
second really sorry for my bad english writing
i have problem with lowering Nepton 280l water pump speed (rpm), here's the things!
i guess everyone in the earth knows Nepton series are all noisy products, so to reduce this whiny pumps need to lower pump rpm, in order to do that i checked the bios and pull down the pump rpm to 50 percent but nothing happens and pump rpm still was at max speed....!!! pump 4pin cable attached to cpufan 1 header and two jetflow fans attached to cpufan 2 header, all of two fans loose their rpm but pump still working at 7000rpm!
so i decided to change the fan header and attached the pump 4pin cable to sysfan 3 and after lowering speed to %50, pump rpm reduced to 4500rpm too but it still noisy and need to reduced at least under 4000rpm, so my problem begin right there...!!! sysfan header only capable of lowering rpm to %50 and fifty percent means 4500rpm
THNX

Can you tell me: how many pins pump header has? And I mean pins that are populated (number of pins should be equal to number of thin cables).
+ this
Quote from: paulus.cobris on 27-April-15, 23:52:54
Hello...
Because allmost all the pumps and Voltage Based Regulated and not PWM (Power Modulation).
Power modulation requires a dedicated controller just for the pump.
So if you plug a 3 or even 4 pin (but not really PWM), on the cpu plug, you will not control the voltage of the pump.
Only sysfans have the 3 pin voltage control.
With my best Regards,
LPC

MSI Z97 Gaming 3 PCI slots problem

I have last one problem with pci slots asmedia on mb. In one of the slots installed sound card ASUS Xonar D2/PM, and after installation driver, getting settings to work with sound system 5.1, some times on very first second of start the music track, in speakers i hear one high "click", and same has been when i rewinding music tracks! I tested this sound card on another motherboard old P45 intel before, but worked pretty fine.
Sorry, my english is no good!
Maybe this problem with compatible?

Quote from: JLio01 on 08-May-15, 12:49:34
Are you able to try unplug all the 5.1 audio jack and plug one back each time to see which one has the problem?
Yes of course
Quote from: JLio01 on 08-May-15, 12:49:34
Do you have Sound Blaster Cinema installed?
No
It's no card problem, this program on controller or program with mb!
On another mb, i have pretty fine normally sound without "click"!

Z97 Gaming 7 memory issue.

MSI Z97 Gaming 7
MSI GTX 970 Gaming
Corsair Vengeance Pro 1866 CL9 16GB Dual Kit (XMP 1866mhz 1.500v 9.10.9.27)
Intell Pentium G3258 (Just sold my 4690k, and waiting for my new 4790k)
Corsair CX750M
Samsung 850EVO 500GB SSD
Corsair H100i Cooling.
Good airflow trough case, low temps on all components.
I have a issue with Dimm 2 & 4 when using XMP on my memory.
While using Dimm 2 & 4 my memory have alot of problems. Gets error in most torture test's (Intell burn in, OCCT Linpack, Prime95), random crashes, and so on. Also have got alot of errors in Memtest86+. It is quite random, sometimes it can work for several hours before it gives any error, other times it does that instant.
This does not happend while the memory is used without "overclock" 1333mhz.
But if I use Dimm 1 & 3, i have no issues. I have stable memory, no error's in Memtest86+, Prime95, Intell BurnTest and OCCT Linpack can work for hours, no random crashes in windows and so on.
The motherboard have got the latest FW, i have cleared CMOS, and tried about anything. I can also mention that the memory get slightly better "score" in a benchmark program when i tested it in Dimm1&3 rather than 2&4. Have tested several times, under same temps, and circumstances (~2890-2940 in 2&4, and ~2960-3040 in 1&3)

Have tried re-seating the CPU, but that did not make any difference. Spent a long time looking over all the pins in the socket, and everything lines up just perfect.
Found out that if i use only one ram there is no problem using XMP. But as long as i have Dual, XMP is useless. It will boot windows, but every kind of burn and ram test will get error allmost instant.
I also get errors using slot 1 & 3 as i have tested further. So by now, only thing not making problems with XMP is a single Memory stick.
Still, no problems or errors while memory is at 1333mhz and Dual. No difference if it is in 1&3 or 2&4.

MSI Z97 Gaming 9 ACK problem with wifi (lag spike)

hi all,
the problem is that all is well connected to the ethernet (killer 2205).
while on wifi I have many lag spike when i play online game.
I got a laptop with similar wifi card (killer 1202) and all went good!!
so why with killer 1525 on desktop i got this lag spike? its very bad.
the network driver is the newset
my system:
windows 7 64bit
msi z97 gaming 9 ack
i7 4790k
16gb ddr3 2133mhz
msi gtx 970oc
seasonic 860 platinum

Quote from: darkhawk on 17-June-15, 18:01:01
I'd be more for RMA'ing the board.
But personally, I'm staying away from Killer Network products from now on. They are buggy and do not work very well when they don't work. Sometimes they don't work at all. Check back through these forums, and one of the biggest issues with any of the boards and/or laptops is always the Killer Networks NIC's. And there is no simple and easy fix for many of the issues.
If it was me, I'd buy a nice wireless card and use that instead. Or do the Intel mod you posted about.
I won't say that the Killer Networks device SHOULD work, but time and time again they prove to not work. In that case, I'd replace it with something that will and move on. A $40 wireless card to not spend days or weeks trying to fix the problem is money well spent in my opinion.
now im going with powerlink and all went good, but as all know, powerlink after 2 years will broke and need to replace..... but online game with eth is always better.
So im tihink to resend to AMAZON and ask for refund and ill rebuy a gaming 7 without wifi this change refund me a good 100 euro......

Problem MSI z97 Gaming 7

Hi guys.. need some help.. I have a Z97 Gaming 7 MOBO and I cannot making this thing work with 16gb of ram ( Corsair Vengance 2X8gb 1600mhz), with just one stick ( 8gb ) works fine.. any ideas?

it should work fine so something is wrong!
1: as you have not been very specific please read >>Posting Guide<< and give specifics on your system!
2: is it one DIMM slot that works only and have you tested all the slots with one stick of memory?
my best guess will be you have bent pins in the CPU socket or damaged traces!

Management Engine problems z97 gaming 5

Hello! I just bought my z97 gaming 5 yesterday and tried to flash the latest BIOS which is "1.5".
Ended up being stuck at the Management engine @ 100%.
So i just went ahead and flash via the MSI live update utility in windows and i am now on the latest BIOS (1.5)
The problem seems that the board's management engine is possibly corrupted? Because i cant install the intel ME driver in windows, always ends up in a fatal error.
I would like to reflash the BIOS and ME to 1.5 using the procedure in this thread to try and fix the issue.
Help?

Use the below to retry:
>>Use the MSI HQ Forum USB flasher<<
A.) Download the attached archive (180.rar) and place it on your desktop. Do not decompress.
B.) Download and install the Forum flash tool.
C.) Insert your FAT32 formatted usb stick.
D.) Make sure that all win 8 options are disabled. (Fast Boot etc) Also make sure the legacy USB is enabled.
E.) Start the forum flash tool and select option 1. Then point the tool at the compressed archive we downloaded earlier. Then to your USB Flash Drive.
F.) Boot to the USB
G.) Now follow the directions and let the tool flash
H.) After flashing reinstall ME drivers in Windows: http://download.msi.com/dvr_exe/intel_me10_mb.zip

MSI z97 Gaming 9 Network problems

I just finished my first build and i used the msi z97 gaming 9 ack motherboard. After installing all drivers and everything i tried to connect to the network via wifi and ethernet, but neither worked. When using wifi, it could see the networks but wouldn't connect to any of them. Also, when i plugged in a working ethernet cord, the lights didn't even blink on the port and it didn't show up as having anything plugged in. I am running windows 8 pro 64 bit. I have no idea why it is doing this and am starting to get very frustrated by it. If anyone could help it would be much appreciated. Thank you!

Quote from: Svet on 23-February-15, 19:15:40
is the lan card enabled in bios setup and function properly inside OS? [check it in device manager]
Yes the BIOS is saying that it is turned on, and the device manager lists these under Network adapters:
Bluetooth Device (Personal Area Network)
Bluetooth Device (RFCOMM Protocol TDI)
Killer e2200 Gigabit Ethernet Controller (NDIS 6.30)
Killer Wireless-n/a/ac 1525 Wireless Network Adapter
Microsoft Kernel Debug Network Adapter
Also in the BIOS menu, it isn't showing the wifi adapter that came with the board. It is plugged in andscrewed onto the board and it can find networks, but can't connect. It just looks like a blank spot in the board explorer option in the BIOS. Any reason it would be doing this?

BOSD with z97 gaming 5

I buy a new PC and after installing windows i get random BSOF. I try change all my hardware like disk hdd , Ram( Gskill 2x2 1333), vga msi r9 280, vga on board, PSU, i try deactivate lan killer, reset the bios, installe win7 and it do the same.
My current PC specs:
Board: MSI Z97 gaming 5
Bios: Version 1.8
VGA: Sapphira R9 285 oc
PSU: Lepa B700M maxbron
CPU: Intel Core i5-4690k
MEM: Kingston Hyperx Fury 8gb 1x8
FDD: Sand Disk ultra 2 240gb
OS: Windows 8.1 64bit Professional
My problem is the same problem of daniel.burgess.338863. ======> https://forum-en.msi.com/index.php?topic=181419.0
Please help.....
TKS

Quote
The STOP 0xC000021A error occurs when either Winlogon.exe or Csrss.exe fails. When the Windows NT kernel detects that either of these processes has stopped, it stops the system and raises the STOP 0xC000021A error. This error may have several causes. Among them are the following:
Mismatched system files have been installed.
A Service Pack installation has failed.
A backup program that is used to restore a hard disk did not correctly restore files that may have been in use.
An incompatible third-party program has been installed.
Quote
the lats BSOD is memory_ management the other is:
system service exception(dxmms1.sys)
kmode exception not handle (win32.sys)
system service exception(fltmgr.sys)
system service exception(luafv.sys)
0xc000021a
irql not less or equal
unexpected kernel mode trap (ntfs.sys)
attempted execute of non execute memory
system service exception (netio.sys)
do a new fresh OS installation and do not install any 3rd party programs
this refer to norton AV application
do a new fresh OS install
and see how its goes
if you have any issues start with >>Memtest86<<

DIMM 1/2 stopped working on MSI Z97 Gaming 5, help!

Hello again!
Today I was trying out a different cooler for my i7 4790K, I mounted it and everything worked fine, but results were bad, so I decided to mount previous cooler again...
And here were the problem starts. After I mounted everything back (exactly following guide like before, thermal paste etc all done) my PC would not start the system nor BIOS.
I wondered what could cause it, so just to check a possibility, I unplugged one RAM module from DIMM 2 (they used to work in dual-channel at 2/4 DIMMs) and it suddenly started BIOS and system up normally.
Following this tip, I unmounted cooler's fan, because it covers DIMM 1 to check if it would work, and doesn't matter what memory I plug in DIMM 1 or 2, it won't work Doesn't work with any combination, so I can't actually use dual-channel right now, as only DIMM 3 and 4 work at the moment (both or alone). Any module plugged in 1/2 slots doesn't work.
All I see is that temperature monitor on my MSI Z97 Gaming 5 shows 10-55, 10-55 all the time, jumpy temps, everything works, but nothing loads. Just black screen, nothing. I work with 3/4 slots in single channel right now.
What the hell could happen? Please help me with this!
Edit: Is that possible I could move a CPU from a proper pin so it doesn't connect properly with DIMM 1 and 2? My cooler moved a bit before I mounted it properly. That's only thing that comes to my mind right now.

Quote
EXTENT OF LIMITED WARRANTY
Intel does not warrant that the Product will be free from design defects or errors known as “errata.” Current characterized errata are
available upon request. Further, this Limited Warranty does NOT cover:
any costs associated with the repair or replacement of the Product including labor, installation or other costs incurred by you, and in
particular, any costs relating to the removal or replacement of any Product that is soldered or otherwise permanently affixed to any
printed circuit board;
OR
damage to the Product due to external causes, including accident, problems with electrical power, abnormal electrical, mechanical or
environmental conditions, usage not in accordance with product instructions, misuse, neglect, alteration, repair, improper installation, or
improper testing;
OR
any Product which has been modified or operated outside of Intel’s publicly available specifications or where the original identification
markings (trademark or serial number) has been removed, altered or obliterated from the Product.
http://download.intel.com/support/processors/sb/warranty_procts_english.pdf
So if you have bent the pins and didn't buy the "care package" or whatever they call for improved warranty, then I believe that it is void. But read whole PDF carefully.
I might be wrong, I'm just a human. Contact Intel about this:
http://www.intel.com/p/en_US/support/warranty

MSI Z97 Gaming 7 (A2 ERROR CODE)

Hi everyone, because I have a problem with my Motherboard MSI Z97 Gaming 7 is that when I turn on my PC after display the code 99 and 9C, remains suspended in A2. From what I've read, this code is for a hard drive failure. The system remains in A2 indefinitely code until the reset button is pressed PC. In the second restart smoothly enters the operating system.
My System Hardware is:
*MSI Z97 Gaming 7 (1.90 BIOS)
*Intel Core I7 4770K (NO Overclock)
*16GB Corsair Vengeance (2x8GB) Memory
*MSI R7970 Lightning X2 CrossfireX
*Crucial M4 128GB SSD
*Seagate Barracuda 1TB Hard Disk
*EK Custom Liquid Cooling System
*Generic All in One Card Reader
*LG DVD/RW Drive
*Corsair AX1200i Power Supply
Then I tell them what I have tried without success this problem.
* Update BIOS to 1.9 Versión (Latest)
* Update SSD Firmware to 070H (Latest)
* Change SATA Cables
* Change SATA Ports
* Reinstall Windows 8.1 in UEFI and Legacy Mode
* Test each Ram Memory Sticks
* Disconect internal USB Card Reader, Front Ports and Corsair Digital Link
* Test try another SSD (Kingston V300 128GB)
After trying all these things, the system is still hanging in A2 Error
Thanks for any help you can give me.

Quote from: pandaz on 24-April-15, 13:03:29
You could try your device 1 by 1 and see which one of it is causing the A2 issue
about this i already suggested the same:
Quote from: Svet on 23-April-15, 21:42:28
connected them one by one, and see which is causing this hang eventually
he said any one of them alone is caused this A2 when its connected:
Quote from: sebastianmancipe on 23-April-15, 21:49:10
Already perform this test with any 3 devices, SSD, HDD or DVD's the same.
Curiously hangs on A2 code when first turned not when restarted.
Quote from: sebastianmancipe on 24-April-15, 04:12:03
¿this version of BIOS where it came from? It is official? because they have not posted on the official website of the Z97 Gaming 7? as had understood the latest BIOS for this motherboard is the 1.90
its official, but beta bios and newer than your current.
try all other things 1st that people suggested you, leave bios flashing as last option

MS-7926 (Z97 GAMING 9 AC) BSOD + Memory Problems

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