MSI Z77A G43 A2 Error with Bluray SATA Drive

Hey guys!
My old Asus P67 motherboard died last week so I bought this board as a replacement. I plugged everything correctly and it seemed to work at first. PC booted fine into windows and I was able to play all my usual games and do my usual stuff.
After an hour or so I restarted the PC after installing the new chipset driver and LAN + Audio driver. I then got the A2 problem. I get this error code before the BIOS Picture. I googled around and it seems to be a problem with the SSD/HDD connectors or something. I then went about trying to find out which drive was causing it and it was my Bluray SATA Drive. The PC will start fine if I do not connect it, but once I do I cannot get passed the A2 error. I tried running the MSI Live Update 5 software to update my BIOS but it says I have the "latest" version.
Any thing you guys recommend? The Bluray SATA Drive worked fine on my old motherboard.
Thanks.
MPC

Quote from: flobelix on 05-May-14, 01:13:30
The SSDs and three other drives? So you are trying to populate all ports? If so try removing one of the other drives and retry.
Yes. I got too many drives laying around xD. Edit: 1 x SSD Crucial C300 64 GB for OS. 1 X SSD Kingston 240 GB for games. 2 x WD 1 TB Drives for storage. 1 x WD Raptor Drive for other programs.
About your request, I did this earlier on today when I was trying to find out what was causing the problem. It did not help the issue when I unplugged one of the other SATA Drives. Still would not start while the bluray player was connected.

Similar Messages

MSI Z77A-G43 (MS-7758) + MSI 970 4G - PCIE2.0 instead 3.0

Hello,
I got parts descripted in tittle and GPUID and Nvidia panel cant show gtx970 in pcie3.0
Operating system64-bit Windows 8.1 (6.3.9600)
Motherboard MSI Z77A-G43 (MS-7758) - with bios 2.D0 (lastest)
Processor Intel Core i5-2500 Processor 3,3Ghz
MSI GtX970 with Bios NV316MH.182 - Driver version9.18.13.4475
Memory 8192 MB
Module 1 - 4.096 MB Kingston DDR3 @ 667 MHz
Module 2 - 4.096 MB Kingston DDR3 @ 667 MHz
Hard drive model 160 GB INTEL SSDSA2BW160G3H
Hard drive model 256 GB SAMSUNG EVO
Hard drive model - 500GB no SSD
PSU: EVGA B2 750W

Ok, thx for reply. Honestly no idea about that.
Just one question, The difference PCIE3 in a gtx970 is significant in relation to PCIE2 in the same 970?
thank you
i found that
http://www.pugetsystems.com/labs/articles/Impact-of-PCI-E-Speed-on-Gaming-Performance-518/
Oks, you can close this post.

Black screen at boot MSI Z77A-G43 with HD7850

Hi,
I've tried everything You suggested in this topic. I've upgrade and downgrade bios (official 2.3, 2.4, 2.8, 2,9 / beta 256, 281,296) few times but still is black screen at boot. Now i'm on the newest beta bios 296 and still same issue on Sapphire HD 7850 with my Z77a-G43 board. I know for sure that sapphire working well because I've checked on other mobo with even worst PSU (400W instead 550W Volcano). Before hd 7850 I had gtx460 and swith those few times and always gtx460 works fine, so I don't understand anything right now.
Tried different slots, also clear cmos.
Board: MSI Z77A-G43
Bios: Version 296
VGA: Sapphire HD7850 1GB
PSU: Modecom Volcano 550W
Intel Core i5-3570k
MEM: Kingston 4GB 1600MHz
HDD: 2xSSD
Without OC
OS: Windows 7 64bit Professional
Can You help me somehow, maybe I did not check something else?

Quote from: The CPU Whisperer on 22-April-13, 16:06:05
Do you see the same problem on bios 2.90?
The Z77A-G43 seems the have difficulties accepting HD7xxx AMD VGA cards lately.
It seems that the problem is gone. I thought of it being an ATI driver issue ~ but not even the latest didn't fix it. But since I flashed to BIOS 2.9 I haven't encountered the problem anymore. So I believe something is fixed between 2.3 to 2.9.
However my problem was a bit different that the OP has.
Oh, and I said this on other thread so I say it here too: MSI and Asus 7xxx cards haven't faced the kind of issues Sapphires are having. I'm so glad to my choice... as I almost picked Sapphire but then read comments on Newegg which weren't in favor for Sapphire.

Three beeps when booting new computer with MSI Z77A-G43 Mobo

I just built this pc and pressed the power button. Nothing happens for a few seconds and then I hear 3 beeps from the PC speaker. It powers off by itself and opens again, with 3 beeps again, and repeats this until i press the power button to close it down forcefully.
Board: MSI Z77A-G43
Bios: I am not sure, but the box says Click BIOS II
VGA: MSI 7850 Twin Frozr III
PSU: Corsair Builder 600W 80 PLUS Bronze Certified ATX12V Power Supply
CPU: Intel Core i5-3570K 3.4GHz Quad-Core Processor LGA 1155
MEM: Corsair
HDD: 1 TB Western Digital Caviar Black
COOLER: CoolMaster Hyper 212 EVO
OC: none

3 beeps is a memory failure!
try each stick in slot 2 individually as you may possibly have a bad stick?
if the first suggestion doesn't work remove the CPU and check the socket as you may have a bent pin in there causing the issue?

Can i crossfire two radeon 7950's with msi Z77A-G43

Im looking to buy MSI's version of the Radeon 7950 twin Frozr to complete my system but im not sure if i will eventually be able to crossfire two of these cards in the future. I know that this MB only has one PCIe3 slots. Does this matter in crossfire? or will I have to replace the MB in order to corssfire?
MSI Z77A-G43
8gb Corsair Vengence
600 Watt Corsair PSU
Intel Core i5 3770k Oc's at 4.2 ghz
500 gb Western Digital HDD
Cooler Master hyper EVO 212

that should work but at PCI-E REV 2.0 speeds just make sure you have gen 3 support turned off or it will not allow crossfire!

MSI Z77A-G43 RAM Problems

Hi everybody,
I have some big problems with my new build:
Intel Celeron G1610
MSI Z77A-G43
2x4gb Corsair Vengeance LD low voltage 1600 mhz 1.35 v dual channel kit
Seasonic 620w PSU
Saphire 7850 2gb GDDRAM5
My system wont work with both ram sticks in. If I only use one of them (it doesn't matter which one) in whatever slot I want, I don't have any problems. However if I use both of them I get bsods or restarts very soon after windows finishes loading. I must also mention that it's almost impossible to install Windows with both Ram sticks in. I almost always get a bsod when the installer is expanding the windows files.
I must also mention that by default, my motherboard sets my ram to 1333 MHz and 1.5v even if the producer says that the ram should run at 1600 MHz and 1.35 v. If I set them to these values myself in the oc menu, they are reset to the default values again immediately after I get another crash.
I have the latest bios and drivers and I don't know what else to try: ( any ideas?
Thank you!

Hi flobelix and thank you very much for your response. I tried your solution and on the next powerup, my pc didn't crash at all and I ran a couple of games and memory intensive programs.
However, unfortunatelly, after I closed the PC for a while and restarted it again, the problems came back. The ram timings don't change anymore in BIOS but the system constantly restarts. I ran memtest for 6 hours last night with both sticks of ram in and it did not find any errors so I can't figure out what's wrong.
Here are a couple of crash dumps:
On Sun 2/24/2013 7:08:04 AM GMT your computer crashed
crash dump file: C:\Windows\Minidump\022413-9204-02.dmp
This was probably caused by the following module: ntoskrnl.exe (nt+0x71F00)
Bugcheck code: 0x3B (0xC0000005, 0xFFFFF80002CEF09D, 0xFFFFF88002A11C10, 0x0)
Error: SYSTEM_SERVICE_EXCEPTION
file path: C:\Windows\system32\ntoskrnl.exe
product: Microsoft® Windows® Operating System
company: Microsoft Corporation
description: NT Kernel & System
Bug check description: This indicates that an exception happened while executing a routine that transitions from non-privileged code to privileged code.
This appears to be a typical software driver bug and is not likely to be caused by a hardware problem.
The crash took place in the Windows kernel. Possibly this problem is caused by another driver that cannot be identified at this time.
On Sun 2/24/2013 7:08:04 AM GMT your computer crashed
crash dump file: C:\Windows\memory.dmp
This was probably caused by the following module: win32k.sys (win32k!XLATEOBJ_iXlate+0xF104)
Bugcheck code: 0x3B (0xC0000005, 0xFFFFF80002CEF09D, 0xFFFFF88002A11C10, 0x0)
Error: SYSTEM_SERVICE_EXCEPTION
file path: C:\Windows\system32\win32k.sys
product: Microsoft® Windows® Operating System
company: Microsoft Corporation
description: Multi-User Win32 Driver
Bug check description: This indicates that an exception happened while executing a routine that transitions from non-privileged code to privileged code.
This appears to be a typical software driver bug and is not likely to be caused by a hardware problem.
The crash took place in a standard Microsoft module. Your system configuration may be incorrect. Possibly this problem is caused by another driver on your system that cannot be identified at this time.
On Sun 2/24/2013 7:06:31 AM GMT your computer crashed
crash dump file: C:\Windows\Minidump\022413-9126-01.dmp
This was probably caused by the following module: iusb3xhc.sys (iusb3xhc+0xC0D8)
Bugcheck code: 0x1E (0xFFFFFFFFC0000005, 0xFFFFF88003AEA0D8, 0x1, 0x17C)
Error: KMODE_EXCEPTION_NOT_HANDLED
file path: C:\Windows\system32\drivers\iusb3xhc.sys
product: USB 3.0 Device Driver
company: Intel Corporation
description: Intel(R) USB 3.0 eXtensible Host Controller Driver
Bug check description: This indicates that a kernel-mode program generated an exception which the error handler did not catch.
This appears to be a typical software driver bug and is not likely to be caused by a hardware problem.
A third party driver was identified as the probable root cause of this system error. It is suggested you look for an update for the following driver: iusb3xhc.sys (Intel(R) USB 3.0 eXtensible Host Controller Driver, Intel Corporation).
Google query: Intel Corporation KMODE_EXCEPTION_NOT_HANDLED
On Sun 2/24/2013 12:55:57 AM GMT your computer crashed
crash dump file: C:\Windows\Minidump\022413-9188-01.dmp
This was probably caused by the following module: ntfs.sys (Ntfs+0x48AB)
Bugcheck code: 0x1000007E (0xFFFFFFFFC0000005, 0xFFFFF880012598AB, 0xFFFFF88002FCB938, 0xFFFFF88002FCB190)
Error: SYSTEM_THREAD_EXCEPTION_NOT_HANDLED_M
file path: C:\Windows\system32\drivers\ntfs.sys
product: Microsoft® Windows® Operating System
company: Microsoft Corporation
description: NT File System Driver
Bug check description: This indicates that a system thread generated an exception which the error handler did not catch.
This appears to be a typical software driver bug and is not likely to be caused by a hardware problem.
The crash took place in a standard Microsoft module. Your system configuration may be incorrect. Possibly this problem is caused by another driver on your system that cannot be identified at this time.
On Sun 2/24/2013 12:55:51 AM GMT your computer crashed
crash dump file: C:\Windows\Minidump\022413-8829-01.dmp
This was probably caused by the following module: Unknown ()
Bugcheck code: 0x0 (0x0, 0x0, 0x0, 0x0)
Error: CUSTOM_ERROR
A third party driver was identified as the probable root cause of this system error.
Google query: CUSTOM_ERROR
On Sun 2/24/2013 12:47:27 AM GMT your computer crashed
crash dump file: C:\Windows\Minidump\022413-10842-01.dmp
This was probably caused by the following module: ntoskrnl.exe (nt+0x71F00)
Bugcheck code: 0x1E (0xFFFFFFFFC0000005, 0xFFFFF88002F2DEA0, 0x0, 0x0)
Error: KMODE_EXCEPTION_NOT_HANDLED
file path: C:\Windows\system32\ntoskrnl.exe
product: Microsoft® Windows® Operating System
company: Microsoft Corporation
description: NT Kernel & System
Bug check description: This indicates that a kernel-mode program generated an exception which the error handler did not catch.
This appears to be a typical software driver bug and is not likely to be caused by a hardware problem.
The crash took place in the Windows kernel. Possibly this problem is caused by another driver that cannot be identified at this time.
On Sun 2/24/2013 12:40:16 AM GMT your computer crashed
crash dump file: C:\Windows\Minidump\022413-9516-01.dmp
This was probably caused by the following module: ntoskrnl.exe (nt+0x71ED0)
Bugcheck code: 0x1E (0x0, 0x0, 0x0, 0x0)
Error: KMODE_EXCEPTION_NOT_HANDLED
file path: C:\Windows\system32\ntoskrnl.exe
product: Microsoft® Windows® Operating System
company: Microsoft Corporation
description: NT Kernel & System
Bug check description: This indicates that a kernel-mode program generated an exception which the error handler did not catch.
This appears to be a typical software driver bug and is not likely to be caused by a hardware problem.
The crash took place in the Windows kernel. Possibly this problem is caused by another driver that cannot be identified at this time.
On Sat 2/23/2013 10:32:27 AM GMT your computer crashed
crash dump file: C:\Windows\Minidump\022313-10030-01.dmp
This was probably caused by the following module: ntoskrnl.exe (nt+0x71F00)
Bugcheck code: 0x1E (0xFFFFFFFFC0000005, 0xFFFFF88002F26C30, 0x0, 0x0)
Error: KMODE_EXCEPTION_NOT_HANDLED
file path: C:\Windows\system32\ntoskrnl.exe
product: Microsoft® Windows® Operating System
company: Microsoft Corporation
description: NT Kernel & System
Bug check description: This indicates that a kernel-mode program generated an exception which the error handler did not catch.
This appears to be a typical software driver bug and is not likely to be caused by a hardware problem.
The crash took place in the Windows kernel. Possibly this problem is caused by another driver that cannot be identified at this time.
On Sat 2/23/2013 10:29:40 AM GMT your computer crashed
crash dump file: C:\Windows\Minidump\022313-9516-01.dmp
This was probably caused by the following module: ntoskrnl.exe (nt+0x71F00)
Bugcheck code: 0x1E (0xFFFFFFFFC0000005, 0xFFFFF80000B9A850, 0x0, 0x0)
Error: KMODE_EXCEPTION_NOT_HANDLED
file path: C:\Windows\system32\ntoskrnl.exe
product: Microsoft® Windows® Operating System
company: Microsoft Corporation
description: NT Kernel & System
Bug check description: This indicates that a kernel-mode program generated an exception which the error handler did not catch.
This appears to be a typical software driver bug and is not likely to be caused by a hardware problem.
The crash took place in the Windows kernel. Possibly this problem is caused by another driver that cannot be identified at this time.
On Sat 2/23/2013 10:09:46 AM GMT your computer crashed
crash dump file: C:\Windows\Minidump\022313-9438-01.dmp
This was probably caused by the following module: ntoskrnl.exe (nt+0xB2C22)
Bugcheck code: 0x1000007E (0xFFFFFFFFC0000005, 0xFFFFF80002D0EC22, 0xFFFFF88006DDA6C8, 0xFFFFF88006DD9F20)
Error: SYSTEM_THREAD_EXCEPTION_NOT_HANDLED_M
file path: C:\Windows\system32\ntoskrnl.exe
product: Microsoft® Windows® Operating System
company: Microsoft Corporation
description: NT Kernel & System
Bug check description: This indicates that a system thread generated an exception which the error handler did not catch.
This appears to be a typical software driver bug and is not likely to be caused by a hardware problem.
The crash took place in the Windows kernel. Possibly this problem is caused by another driver that cannot be identified at this time.
Since I'm desperate, I'm just gonna go ahead and reinstall windows again. During the last successful pc run (after I took your advice), I ran MSI live update and installed the rest of the utility software. Maybe this did something to my drivers.... I'm really reaching the end of my possibilities :(

MSI Z77A-G43-memory problem

Hello
I bought lately new cpu,mb and memory. When i turned it on it was still rebooting after few seconds after start. So i treid to put just one memory in slot. It worked but only if memory is in bank 3 or 4. In 1,2 computer is still rebooting. Also it works with two memory modules, but putted in 3,4 slots only. And just in single channel. I saw that many people have the same problem and shop service wrote them that it works like that. First You put memory in slots 3,4 and then in 1,2. It is strange for me. I don't have two another memory modules to check if this is true and I want to that it works in dual channel, not single. So, is this true or mb is broken?

Hello. I have the same problem, except, I use 4 Dimms in 4 slots on my MSI board. I installed speaker on MB to see if there are any beep sounds during the booting, but all seems ok. The problem is the PC keeps still rebooting after about 5 sec. from the start. There aren´t any visual information on screen, since the start is so short. I tried to install dimms in 2nd and 4th slot first. Then to 1st and 3rd. In both cases the problem was still the same. When I put all rams in all 4 slots, the result is the same (restart for ethernity). The only way that goes is the PC runs with only 1 dimm in either 1st or 2nd slot. I tested all the memory modules and all of them work fine. I even tried this on a differennt mainboard from ASUS P8Z77-V LX. Now I tested it on MSI Z77A-G43. Both mainboards are new. There is a very slim change that both of them would be defective. Before I got MSI MB, I ran couple of days on the ASUS MB and everything was perfect, so I don´t think that CPU is defective. I even ran a few benchmarks on it. But I still don´t understand why can´t I run the system with all 16 GB of RAM instead of 4 GB in one slot. Please help me.

Msi z77a-g43 bios code b4 black screen

Hi, i have this mainboard update to day with bios 2.12 and this card reader, coolbox cr600v2. Well, the problem is that when i turn on the system i have black screen bios with code b4, any solution?

won't boot with the card reader
Board: MSI Z77A-G43
Bios: Version 2.12
VGA: Asus GTX 780 DCUII
PSU: Corsair hx750
Intel Core i5-2500K Sandy Bridge 3.3GHz (3.7GHz Turbo Boost) LGA 1155 95W
MEM: CDIMM1: Kingston HyperX KHX1600C9D3/4GX x2
HDD: Crucial M4 256GB
COOLER: Noctua U12P
OS: Windows 7 64bit Professional

MSI Z77A-G43 GAMING LGA 1155 MOTHERBOARD

Does anyone know where I can get one of these in the UK, everywhere I look it says out of stock/discontinued..... I mean everywhere
I have no choice to get a z77 version of the motherboard as im running an i5 3350p ivy bridge which is a 1155 socket.
any help or location of this product would help.... I wish MSI would just sell their stuff too.

Quote from: badboy2k on 07-March-14, 08:49:26
http://www.amazon.co.uk/MSI-Z77A-G43-Motherboard-Pentium-Celeron/dp/B007JRGV14/ref=sr_1_1?ie=UTF8&qid=1394153251&sr=8-1&keywords=Z77A-G43
was easy as just typing it in on amazon enjoy!!!!
Thanks for the reply I did see that one but I was looking for the red and black dragon emblem one, its seem everyone of these I find is somehow discontinued.
prefer the red and black as its goes with the colours scheme I have also matches the 2 msi GPU's I have, just wondered if anyone knows of a UK retailers of this version
As a side note the blue and black doesnt look as impressive XD

MSI Z77A-G43 UEFI Overvolt+Intel Exteme Tuner Overvolt combo

Hey all,
I just wanted to run past you an experiment I did and I think worked.
I currently overclock my i5-3570k with an every day overclock of 4.4 at no offset voltage and a benchmark overclock of 4.7 at +.14V - however my benchmark overclock isnt exactly stable.
I noticed in Exteme Intel Tuning Utility There's a slider there for additional mV turbo voltage. I'm multiplier overclocking for my benchmark overclock with no power saving features and my voltage tops out at around 1.34V but when I add additional mV on Intel Extreme Tuner it goes to 1.38V. It also made me pass my 3dmark at 4.7 which is hit-or-miss but now worked every single time and also passed IBT.
Could this truly be modifying my input voltage on the CPU beyond the motherboard's limited offset mV overclocking?
Is this super dangerous and should I never do it again?
thoughts/opinions
also obligatory 3dmark link
MSI 7950 3gTF+MSI Z77A G43
http://www.3dmark.com/3dm11/5624604

1.400v's on the CPU is the industry recommended limit for an everyday machine, so whatever way it gets there shouldn't make any difference.
Quote
I noticed in Exteme Intel Tuning Utility There's a slider there for additional mV turbo voltage. I'm multiplier overclocking for my benchmark overclock with no power saving features and my voltage tops out at around 1.34V but when I add additional mV on Intel Extreme Tuner it goes to 1.38V. It also made me pass my 3dmark at 4.7 which is hit-or-miss but now worked every single time and also passed IBT.
Could this truly be modifying my input voltage on the CPU beyond the motherboard's limited offset mV overclocking?
If not doing a 'Turbo' OC, I don't see the connection with mV turbo setting. If raising the mV on the Intel utility raises the voltage to the CPU, and it is confirmed, then it must work as you have described.

MSI Z77A-G43 and mixed drive types

Hi,
I have an own-built desktop using a MSI Z77A-G43 motherboard. The OS boots from an SSD but all documents, media, etc, are stored on 2x1TB HDDs, configured as RAID.
However, having performed a benchmark on my SSD I'm finding that it's speed is half what it should be. It's connected to the SATA 3 connector on the MB.
I'm wondering if the issue is that, because of the RAID drives, I have the SATA mode as RAID in the BIOS. Is it falling back to IDE for non-RAID drives? Is there a way to force it to use AHCI?
Any thoughts/help on this would be greatly appreciated.
David.

Well, checking you manual will clear up your confusion. SATA 3 is the connector number while SATA III is a terminology for SATA 6GB/s. Some say just SATA 3 meaning SATA III but that's just wrong terminology. The SATA 3 connector and all others but SATA 1 & 2 are 3GB/s (1-22 of the manual by the way)

MSI z77A-G43 - After Shutdown - Fans will not turn off

Just installed a new MSI Z77A-G43 Motherboard for my husband since his old motherboard died. The one thing I've noticed though is that the fans will not turn off after I do a shutdown and I'd have to do a manual shut down instead. Any ideas what could be happening? Also it will randomly restart when not shutdown completely with the fans still on.
Here are the specs of the PC.
MOBO: Z77A-G43
Processor: Intel i5 - 2500k Quad Core
Video Card: Geforce - GT 610
Ram: 8 Gigs
Hard Drive - 128gb ssd and 1.5 tb hdd
It's really barebones since I'm trying to just get it to run then get it back to normal working order with the next pay check
EDIT!!!!::
Forgot OS is Window 7 Ultimate X64

If you are sure that your CPU is seated properly and that the PWM fan connector is seated correctly, then you may want to test with another known working PSU. I am not saying that your PSU is faulty, but before exhanging the board, I would definitely test that as well.
EDIT: Just a question, did you disconnect the power switch and the other front panel connectors of your case and started the PC by shorting the Power switch [pins 6 and 8 on JFP 1]with a screw driver tip ? The remote possibility exits that the cables may have been connected incorrectly or may have a short.

MSI Z77A-G43 - extreme memory profile problem

Hello everyone,
I’d really appreciate a piece of help here. I’ve bought the MSI motherboard MSI Z77A-G43 and currently I’m having problems with my memory (slots 1 and 3). My PC has following specs:
-   MSI Z77A-G43
-   Intel Core i5 2500K (not overclocked)
-   RAM Patriot 2x4GB DDR3 1600MHz CL9 (PGD38G1600ELK) G2 Series
Everything is set to default values and works fine. But when I enter the BIOS, I see that the memory is automatically set to 1333 MHz. The memory has the XPM. But when I set the XPM (agressive timing, 1600 MHz) support (no other changes) and reboot the PC, it doesn’t work (endless reboot looping). Is there any way how I can make the XPM modus work? The memory is OK (tried on other MBs, XPM without problems), the CPU too. I tried overclocking, with slightly increased voltage I can easily reach 4,8 GHz on CPU, basically everything else is fine. The PSU is also sufficient (700W, OCZ). I can too set the memory on 1600 MHz manually, but the timing isn’t that good.
It’s actually a failure I can live with, but since it’s a brand new PC, I’d like to get the best out of it.
Many thanks
V.K.

Sometimes manually setting them works when XMP refuses to.
I don't know what the XMP SPD profile for that memory is, and a screenshot of your SPD and memory tabs would help.
However try the following.
Disable XMP and reboot so they are back at 1333.
Manually set it to 1600 and ensure manual setting of the timings to 9.9.9.24 see if that works.
If not set your DRAM voltage to 1,575V and see if that works.
It may be that your memory requires 1,65V, in which case, that is what you have to set. You should be able to see that in CPU-Z SPD tab under the XMP profile column.

I bought a MSI Z77A-G43 and 1st PCIE(3.0 I guess) slot doesn't work?

I bought a MSI Z77A-G43 and 1st PCIE (3.0 I guess) slot doesn't work? I mean when I put my gf card in it , my screen wont start. BUt when I put it to other blue Pcie (2.0 I guess) it works. What will be the reason? Do I need to do anything in bios ?

I had a similar situation recently.
1.) Check the cpu/ socket for damage
2.) Remove the mobo and make sure there are no extra stand off's under the board.
3.) Check the pci/e slot for obstruciton or debris
Other than that it's probably going to be an rma issue.

MSI Z77A-G43 DRAM underclocking

hello guys, for some reason my DRAM on my MSI Z77A-G43 board underclocks itself.
i went into my bios and set it to run at 1600 mHz but when i use CPU-Z to check my actual DRAM speed it is only at 800 mHz.
so here is my questions, how does this happen and how can i fix it?
link for my current settings:

if not already done, update your bios to the latest.
then after that, go to bios, disable x.m.p., set (relating ram) everything auto, but select 1600 mhz for your ram, and then remember to LINK the timings if u have 2 or more ram sticks, now set the timings, 9-9-9-20 (or 22, or 24), and u should be fine.
x.m.p. is crap, 1) it feeds too much voltage 2) it sets the worst timings.

MSI Z77A G43 A2 Error with Bluray SATA Drive

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