Z77a g43 boot issues

We'll start with specs
z77a-g43 motherboard
560 gforce video card
kingwin mach 1 psu
wd caviar black 1tb hdd
kingston 4gb ddr3 ram x2
razer mouse and keyboard
and then I don't remember the exact cpu but it's an i7 @ 3.4
I having issues with the system booting. Every so often when it gets turned off it would get hung up on an A2 error during post and a restart or two would fix the issue, but it is no longer doing the trick. Reading around a little bit I tried unplugging just about everything in an attempt to just get it to boot. Having just the cpu, psu, ram, and mobo going I get an A0 error. Plugging the hdd back in I get a B4 error and with the keyboard added in I get the A2 error. After removing and reinserting a stick of ram it actually booted to windows. I cannot recreate this though so I am thinking it was a fluke. I tried plugging the gpu back in to get an A2 error and then the mouse to get a B4 error.
I checked the cpu for signs of damage to see none, and I've flashed the cmos. When it hangs on one of these errors during post I can press tab and it will say that it is entering setup but then never does. I have never updated the bios so it is still sitting at the default.
I've read a few posts talking about various compatibilty issues that can arise with an un-updated bios, but it has been running fine for just around a year. This only happens from a cold start and is the worst case of the issue to date. Any advice would be appreciated.

With both sticks in I was getting A2 and with each individually plugged in I get the same error. Intermittently I will see the B4. Clearing cmos let's me into the bios, but if I haven't just cleared it, entering the bios just hangs forever. Bios is showing all 8 gigs of memory being read with system temps fine. Voltages all looked fine too. Attempting to save changes and reboot will leave me with a black screen. Discarding changes will get me to Windows. Also bios reminded me that my cpu is the i7-2600k if that helps.

Similar Messages

MSI Z77a G43 boot loop

Hi,
I have read all issues about boot loop problems, but nothing fit mine.
I bought MB MS Z77A G43 and Core i5 3570K. After building it, the computer is restarting again again.
I clear the CMOS, boot and in the monitor it says, that setting was reset to default, it shows my CPU,RAM,HDD etc. and it gives me 2 choices:
1) Press F1 to run setup
2) Press F2 to continue.
I tries several times both option, but after pressing the button F1 or F2, the computer starts to boot loop again. I cant go to the bios. Dont know if the problem is CPU or MB. I tried another power supply, but it didnt solve it. Any ideas?
Thx for helping

Hello again,
I have change CPU and MB for the new ones, but problem still occurs. I found an information on the web, that i5 3570k supports only RAM with power consumption max 1.5V. I have Zeppelin DDR3 4GB kit (2x2GB) 1600Mhz, but when I clear the CMOS and boot, the MB says that I have only 1333Mhz. That means the RAMS has more then 1.5V?
What do u think? The problem is RAM, which are not supported by CPU?

Z77A-G43 boot problem with catalyst drivers

Hi all,
I upgraded my pc this weekend. I have ZH77A-G43 with 3*4GB RAM and ATI HD7850 gfx card.
A new SATA HDD and a fresh windows7 install.
All goes well until I install catalyst drivers. After that, windows will not boot anymore. I can see 'Starting Windows' and after that the screen goes black and pc stops responding.
n safe mode, everything works fine again.
Do the catalyst drivers cause problems on this mobo?

Never mind see the beta bios release notes:
https://forum-en.msi.com/index.php?topic=161593.msg1197504#msg1197504
Quote
01.Fix VTX3D Radeon HD 7850 1GB X-Edition not display issue.
(Add below solution from E7751IMS.H52 and E7751IMS.H53:
Fix PCIE GEN3 display card issue.
Fix 'Integrated Graphics Share Memory' and 'DVMT Memory' item show incorrect.)
Seems as though that matches up nicely to our problem, so use the beta bios instead.

Z77A-G65 Boot Issues

Here is the Build:
1. MSI Z77A-GD65 Gaming LGA 1155 Intel Z77 HDMI SATA 6Gb/s USB 3.0 ATX Intel Motherboard
2. ASUS GTX650TI-O-1GD5 GeForce GTX 650 Ti 1GB 128-bit GDDR5 PCI Express 3.0 x16 HDCP Ready Video Card
3. COOLER MASTER GX 450W RS450-ACAAD3-US 450W ATX12V v2.31 80 PLUS BRONZE Certified Active PFC Power Supply
4. Intel Core i5-3570K Ivy Bridge 3.4GHz (3.8GHz Turbo) LGA 1155 77W Quad-Core Desktop Processor Intel HD Graphics 4000 BX80637I53570K
5. Western Digital WD AV-GP WD20EURS 2TB 64MB Cache SATA 3.0Gb/s 3.5" Internal Hard Drive Bare Drive
6. SAMSUNG DVD Burner SATA Model SH-224DB/BEBE
7. ARCTIC Alpine 11 Rev. 2 CPU Cooler - Intel, Supports Multiple Sockets, 92mm PWM Fan at 23dBA
8. G.SKILL Ripjaws X Series 16GB (2 x 8GB) 240-Pin DDR3 SDRAM DDR3 2400 (PC3 19200) Desktop Memory Model F3-2400C11D-16GXM (2 Sticks)
I assembled the entire system and then put the Windows 8 disk in the optical drive. Powered up the system and windows started to load. Got a blue screen showing the Error 0xc00000e9 with a possible I/O for the hard drive. checked all connections and tried again with the same result. Powered down the system and tried a different SATA port. Got the same result. Tried all of the SATA ports and still the same thing. Tried a Windows 7 Pro disk and got the same result. Suspected a bad cable, swapped it and same result. Suspected a DOA HDD, put in a new HDD, this time a Seagate 1TB SATA drive and got the same result.
I did some research to see if anyone else was having the same problems as me. Followed a thread on another site that mentioned re-flashing the BIOS and the step they received from Tech Support. I downloaded the latest BIOS from the MSI website, installed in on a FAT32 USB stick and flashed the BIOS with the M-Flash utility. During the flashing, the system rebooted and gave me a black screen. Here are the steps that the site listed:
1. Tech Support originally had me attempt to clear the CMOS. When this failed to work, he had me attempt to flash the bios.
2. Downloaded latest version of BIOS to usb flash drive (The drive was FAT32). Comes in a zip file. Unzip, and only needed the E7751IMS.A50 in the root directory of the flash drive.
3. Plug in flash drive to back panel connector while computer was OFF.
4. Flip the multi-bios switch to the second functioning bios.
5. Once into the bios, flip the switch to the primary bios.
6. Run the m-flash.
7. Once completed flashing, it rebooted twice before powering on.
8. Computer now runs fine.
Now when the system starts up, I get a black screen. There are different codes that post on the MB during to boot process with the BIOS switch in the A position Code 62, Code CA, Code A2. After A2 post on the MB, It detected a change in the system and asked me to hit F1 to enter setup. I hit F1 and then in went to another screen, where I hit F1 again to enter Setup again, but it wouldn't let me select F1. Then the system rebooted, gave the same codes but stopped at A2. I also have a an A2 on a black screen in the lower right hand corner, and no options listed. It sat there for approximately 2 minutes then shutdown. I Restarted and got Code 9d but the screen showed CA in the lower right. Then system shutdown again after about 1 minute.
Moved the switch to Position B and powered up got Code 62 and a black screen with a cursor in the top left. No other info displayed. System shutdown after about 1 minute. I restarted the system again and got this: Code 72, rebooted on its own after 10 Seconds. Code 55, rebooted on its own after 10 Seconds. Code 49, rebooted on its own after 20 Seconds. Code b6, system shut down.
Moved the switch back to Position A and restarted got these codes: Code 72, rebooted on its own after 10 Seconds. Code 56, rebooted on its own after 10 Seconds. Code 4F, then system shutdown.
I have tried clearing the CMOS many times and get the same results.
Any thoughts?

Just to be clear, you are unable to boot from either bios now?
Have you tried this with only a single stick of ram installed into DIMM 2, onboard vga, psu, cpu and cooler?

Z77A-G43 - Bios issues

Hello!
I just updated the bios through Live Update 5 and restarted my computer. Now I'm not able to start it up, so I tried the Reset CMOS variation with the jumper and it's still not working. I'm trying to find out where the battery on the MB is so I can reset the whole board manually, but I'm struggling to find exactly where it is. I've checked the manual that I have, both the physical one and the ones on internet, but I'm still not able to find any information about this. I'm not able to get into the BIOS at all since the update and all alternatives I've tried (1/2 when it's booting, and also del/f11) but nothing is working.
Is there anyone out there who knows how I reset the CMOS battery on my motherboard? I wonder how I should proceed with this.
Could someone help me out with this issue?

Now I have even tried to follow the "bad flash"-guide from MSI. This didn't work though. I did put Another version of BIOS on an USB-stick and tried to boot it, but it didnt work. I can find the stick whenever i push F11 at MSI splash screen, but after chosing the USB-stick from the menu, the computer just freezes.
I don't really know if there's something else that I could try out. I guess I need to do a RMA on this MB and I also guess that MSI should develop the Live Update software to not make this issue happen in the future as well.

Z77A-GD65 boot issue!

Hey.
I have this Z77A-GD65 motherboard which I bought around July 2012, which has been working great until this morning. First of all, I don't do any overclocking, It has no meaning to me and I didn't change anything on the BIOS, not even used it prior to this problem.
Problem is, PC won't post, It will turn on for 3-4 secs until reaching debug code 55 then it will simply shutdown and restart by itself, going into a cycle, just let me repeat, there is no BIOS, no post only black screen.
I tried switching Bios A and B, clearing data on both Bios A and B, replacing the Bios battery. I replaced the Core i5 3750K with a Core i7, I changed memory sticks, even replaced the 670 GTX card with a 660Ti card. Replaced my CoolerMaster PSU with a Corsair one and none of these changes helped.
I did this both inside the case and outside the case and gave the motherboard a good airblow to remove the little dust it had on it.
All the other component worked just fine in another PC.
So basically, I did every troubleshooting I know, It feels like a shortcut but I inspected the motherboard and it seems to be in good physical condition.
I think it needs a RMA, whats the best thing to do now?
Thx for any help!

You are in South America?
You could also just email [email protected] if you wished. Might be recommended if that is the case due to the nearest service center being in the USA. Unless they opened a new one recently.
Yup:
Quote
South American
MSI Computer do Brasil Ltda
Tel: (+5511) 4949-8888
Fax: (+5511) 4949 8808
Website:http://br.msi.com/
Sede Central de América Latina
Dirección: 901 Canada Court, City of Industry, CA 91748 U.S.A.
Tel: + 1-626-913-0828
Horario de Atencion :Lunes-Viernes (9:00AM - 6:00PM PST)
Para enviarnos un e-mail, por favor diríjase a alguna de las siguientes direcciones:
Departamento de Placas Madre, Tarjetas de Video & AIl-in-One PC
Ventas: [email protected]
Marketing: [email protected]
Departamento de Notebook PC y Tablet
Tel: + 1-305-591-2229
E-mail: [email protected]
Centros de Servicio Autorizados para Notebooks en Latinoamérica
Por favor ir a la página de Servicio y Soporte en la Sección de Centros de Servicio.
Departamento de Soporte Técnico RMA(toda linea de productos)
RMA: [email protected] o marcando 1-305-591-2229 (opcion 5)
Soporte técnico: [email protected] o marcando 1-305-591-2229 (opcion 5)
FAX:
Soporte Técnico & RMA : +1-626-581-1551
Ventas & Marketing: +1-626-913-0818
Departamento de RR.HH. : +1-626-913-0819
Departamento Contable: +1-626-913-0897

MOVED: z77a-g43 cold boot overclock issue

This topic has been moved to Overclocking, Undervolting.
https://forum-en.msi.com/index.php?topic=161574.0

Quote from: mareg on 08-September-12, 05:41:28
Hello all,
I have this weird issue with cold booting while overclocking. I've tried very hard to diagnose the problem but have been unable to find the culprit.
So I'm using an i5-2500k with the mobo in the subject. I have flashed the BIOS to the latest (2.4). So everytime I try to overclock by using a different multi (it can be as subtle has x34) the system will fail the overclock while cold booting. What I mean by that is if I do the overclock from the bios then save&reboot it will load in windows and be totally stable under IBT. I can achieve any kind of overclock up to 4.7 Ghz and it will be totally stable.
BUT, as soon as I do a shutdown of the system, upon booting (cold boot), the computer will try to boot but fail at it. I'll be prompted by the bios to reload default.
I've tried various combinaisons to no avail. I even tried to underclock the processor to sub x33. I don't understand what could be wrong. It seems as soon as I switch to anything else then auto on the ratio, it won't boot from shutdown. Weird.
Thanks in advance for your inputs.
RIG :
MSI z77a-g43 bios 2.4
intel i5-2500k
g-skill ripjaw CL9 1600 1.5v
Antec Earthwatts EA 650W
CM HAF 912
gigabyte geforce gtx-460 1gig
As you know I got exactly the same issue, but mine does boot when manually set at a lower ratio.

Z77a-g43 cold boot overclock issue

Hello all,
I have this weird issue with cold booting while overclocking. I've tried very hard to diagnose the problem but have been unable to find the culprit.
So I'm using an i5-2500k with the mobo in the subject. I have flashed the BIOS to the latest (2.4). So everytime I try to overclock by using a different multi (it can be as subtle has x34) the system will fail the overclock while cold booting. What I mean by that is if I do the overclock from the bios then save&reboot it will load in windows and be totally stable under IBT. I can achieve any kind of overclock up to 4.7 Ghz and it will be totally stable.
BUT, as soon as I do a shutdown of the system, upon booting (cold boot), the computer will try to boot but fail at it. I'll be prompted by the bios to reload default.
I've tried various combinaisons to no avail. I even tried to underclock the processor to sub x33. I don't understand what could be wrong. It seems as soon as I switch to anything else then auto on the ratio, it won't boot from shutdown. Weird.
Thanks in advance for your inputs.
RIG :
MSI z77a-g43 bios 2.4
intel i5-2500k
g-skill ripjaw CL9 1600 1.5v
Antec Earthwatts EA 650W
CM HAF 912
gigabyte geforce gtx-460 1gig

Quote from: mareg on 08-September-12, 05:41:28
Hello all,
I have this weird issue with cold booting while overclocking. I've tried very hard to diagnose the problem but have been unable to find the culprit.
So I'm using an i5-2500k with the mobo in the subject. I have flashed the BIOS to the latest (2.4). So everytime I try to overclock by using a different multi (it can be as subtle has x34) the system will fail the overclock while cold booting. What I mean by that is if I do the overclock from the bios then save&reboot it will load in windows and be totally stable under IBT. I can achieve any kind of overclock up to 4.7 Ghz and it will be totally stable.
BUT, as soon as I do a shutdown of the system, upon booting (cold boot), the computer will try to boot but fail at it. I'll be prompted by the bios to reload default.
I've tried various combinaisons to no avail. I even tried to underclock the processor to sub x33. I don't understand what could be wrong. It seems as soon as I switch to anything else then auto on the ratio, it won't boot from shutdown. Weird.
Thanks in advance for your inputs.
RIG :
MSI z77a-g43 bios 2.4
intel i5-2500k
g-skill ripjaw CL9 1600 1.5v
Antec Earthwatts EA 650W
CM HAF 912
gigabyte geforce gtx-460 1gig
As you know I got exactly the same issue, but mine does boot when manually set at a lower ratio.

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.

Z77A-G43 Issue - Bios not working

Dear Forum,
I have a quite strange issue with my brand new system.
Specs first:
MSi Z77A-G43 BIOS 2.2/2.3, i5 3570K, Win7 Professional 64 bit
G.Skill Value Series 8GB DDR3-1333 Kit
be quiet! Straight Power E9 580 Watt CM
Gigabyte GeForce GTX560 Ti
OCZ Vertex 120GB SSD
Western Digital Caviar Blue 500GB
LG GH24NS70
Problem description:
All parts are brand new. Machine was assembled (antistatic wristband used), Display connected to PCIE-Nvidia gfx card.
Display showed post codes (99, A2) in low resolution and got stuck with a blinking cursor in the top left corner.
After some cable checking I switched to the built-in gfx (from CPU) and the machine booted into bios (v.2.2) after showing the MSI logo.
Whenever I tried to change or even view the bios settings, the machine froze and had to be hard reset.
I installed Win7 without a flaw and updated the bios to 2.3 using Live Update. No errors.
Now whenever I trie to access the bios (hitting DEL) the bios image (blueish) pops up for a short moment and the machine reboots. Nothing else I can do there. It still booted though into windows.
I did the CMOS-reset which showed the initial "settings have been reset, hit F1 for setup or F2 to continue" message but when hitting F1 it again flashed the bios image for a microsecond and rebooted.
Windows still booted normally, when starting Click Bios II application it showed the loading screen but nothing happened. So I decided to reflash 2.3 Bios.
--> Nothing changed
I then flashed the Bios down to 2.2 using the MSIHQ-Flash utility (awesome tool) which lead to the same effect as before:
I could access the bios but could not change any settings, the machine froze. The click-Bios application started though.
Now I have two questions:
1) What's the matter with the board/bios? I can still return the mainboard to the vendor but would rather like to see this issue fixed
2) Any ideas with the non-running PCIE-graphics card? Could this be related to the mainboard/bios as well? PSU has 580W and all cables were connected properly.
Thanks for any input that might help..
Flitsche

Quote from: HU16E on 27-June-12, 17:45:21
Wouldn't even bother trying anymore with v2.2 since it needs v2.3 to fully support the CPU you have. Recommend to stay with v2.3 since it updates the Management Engine. Going to v2.2 may be causing a chip corruption of some kind.
Not sure what kind or brand of keyboard is involved here, but try with a generic USB one. I had to enable F-Lock on my keyboard to make it go to the UEFI/BIOS using the Delete key. Test with one RAM stick only in the primary dimm slot. Depending on the manual revision, that is either DIMM1 or DIMM2. Update to v2.3, remove the PSU power cord, remove the battery for awhile, clear CMOS and reset, and test again.
I did use another keyboard, I did a CMOS reset, I have only one module in DIMM2 as stated in the manual. I guess I went through all usual troubleshouting steps. some things in my system don't like each others.
what I did not do so far is comparing the serial of the old and new mainboard. will do that tonight - I srsly hope they didn't send the faulty one again..

Z77A-G43 Computer Reboots after Shutdown Issue

I recently built a new PC using the MSI Z77A-G43 motherboard and installed Windows 7. Everything seems to work fine except one thing - the PC immediately restarts itself after It shuts down through the normal Windows shutdown process. I have read many forums on this similar problem and have tried a few things such as 1) unchecking automatic restart in the system properties dialog box. 2) Changing the registry key HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon "PowerdownAfterShutdown" to a '1'. 3) Updated Windows fully as well as installed the latest drivers for everything. 4) Made sure that in BIOS all of the Wake Up Events are set to Disabled. In fact I even changed Wake Up Event By [BIOS] to By [OS]. 5) Cleared BIOS by taking the battery out for 5 minutes, as well as updating BIOS to the latest version 2.2. 5) The only IO card is the graphics card and I switched that out too and it did not make a difference. None of these options seems to correct the problem. I am convinced there is something wrong with this motherboard. Has anyone else had this issue with this or another motherboard? Anyone have any other solutions?

Sometimes a short within the chassis can caused such issue as well.
I suggest that you try booting and shutting down the hardware out of the chassis and see if you can replicate the issue.

Z77A-G43 issue with SATA drive

This is wierd
I have 4 Hitachi drives all of 1TB, perfectly working on old PC.
Today have decided to transfer them into new PC:
MB: Z77A-G43
BIOS: 1.20
CPU: Intel g2020
Primary drive is Intel SSD 120G series 330
I have attached 3 HITACHI drives successfully, they are all working fine.
but particular one forces MB to reboot before BIOS screen, last code seen on screen is A2?
Then I have decided to put dedicated controller 1st I took SilImage 3512 SATA/RAID Controller
- no changes computer reboots before post screen
After I took VIA VT6421 SATA/RAID Controller
- no changes computer reboots before post screen
searched web, found nothing useful.
any ideas what might causing this?
EDIT: tested controller SiI3512 on old PC and trouble HDD, everything works just fine :/
read AMIBIOS codes:
0xA0 IDE initialization is started
0xA1 IDE Reset
0xA2 IDE Detect
0xA3 IDE Enable
0xA4 SCSI initialization is started
0xA5 SCSI Reset
0xA6 SCSI Detect
0xA7 SCSI Enable
0xA8 Setup Verifying Password
A2 is ide ? what ide ? I give up.
it seams to me that this board is broken in several ways
- non working DVI
- faulting with valid SATA drive
what else awaits me on this road

Quote from: flobelix on 07-May-13, 04:27:27
using IDE previously and now AHCI might trouble Windows but system would none the less post. At least you should get past IDE detection but hanging at A2 means it doesn't.
I'm wondering about your statement you had been using SilImage 3512 SATA/RAID Controller and VIA VT6421 SATA/RAID Controller. Are these PCI add-on cards? Did you try all SATA ports controlled by the Z77 chipset. Are the drives used are all identical? Is the issue only happening with one particular drive or anytime you attach a fourth hdd no matter which one it is?
About the performance difference from AHCI to IDE the differences are minimal. Should be almost irrelevant for the hdds.
My discoveries:
Using sata mode IDE with windows installed in AHCI mode == windows hangs during loading (BSOD), probably missing drivers or similar.
Also I am unsure what A2 code means but I have noticed it is displayed while bios post screen shows up with the list of installed drives during normal boot.
And is also last code I see when I attach problematic drive resulting in reboot loop.
To be honest I haven't tried all SATA ports on board for sure I haven't tried SATA 1 (1st white) as there is my SSD drive.
But I have tried almost all other ports. I can try them all, but I don't think this will solve the problem.
I don't think problem is in what slot I put my drive, since same behavior is with SATA/RAID controllers.
And whit this SATA/RAID controllers this drive is working perfectly normal on other PC.
No not all drives are identical but I have exactly same drive as this one, and all drives are hitachi:
* HDT721010KLA330 working fine
* HDS721010SLA360 working fine
* HDS721010CLA332 (1) working fine
* HDS721010CLA332 (2) problematic drive == reboot loop (when its single drive or with others).
True I haven't tried to detach Intel SSD and leave problematic drive as only drive in system, I may try this tomorrow)
funny part is that HDS721010CLA332 (2) is working fine when I hot plug it.
Checked firmware version on both drives, and both drives have identical firmwares.
Only difference I know off is that working drive has 1 partition, and problematic drive has 2 partitions.
EDIT: forgot to say it passed SMART test, everything was green (hitachi sw), while hdd sentinel reported 1 bad sector but saying estimated drive working days > 900 days and degree was 98% I am guessing because of that 1 bad sector and too many working days (years) behind him.

Internet Network Issues on Z77A-G43

I'm not sure what the issue is. Could be a BIOS setting or software but my network has been problematic. At first it would be a situation where I wouldn't be able to see other networks after waking from sleep mode. Now it seems my internet connection keeps stopping but I can still see other PC's on the network. When I disable the network device and re-enable the network it works again. Sometimes it will be stable for hours, sometimes it stops working after 30 minutes. I've tried reinstalling drivers, disabling energy saving and I'm already on the latest BIOS.
My system is as follows
MSI Z77A-G43
Intel i5 3750k
2 x 4Gb GSkill Sniper DDR3 1600 1.25v
Sapphire Radeon HD 7850 2Gb OC
Transcend 64Gb SSD
Corsair HX750
Really not sure what to do. I've tried running virus scans, spybot scans and registry scans but all come up clean.
Please help.

Check the mac address and make sure that it matches the sticker on the NIC.
Update the drivers to the most recent:
http://www.msi.com/product/mb/Z77A-G43.html#/?div=Driver&os=Win8%2064
You can also try flashing the bios to the latest version:
https://forum-en.msi.com/index.php?topic=161593.msg1212207#msg1212207
There are newer Beta bios as well if you scroll down from the official one.

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?

H87M-G43 and automatic boot issues

I have an H87M-G43 and for 4 weeks have been struggling to get a new clean Windows 8.1 UEFI build on the PC without odd automatic boot issues.
Here is the PC configuration:
CPU Intel Core i5-4440 3.1GHz
PSU Corsair CX430
DIMM1:
DIMM2: Corsair XMS3 DDR3 4GB CMX4GX3M1A1333C9
DIMM3:
DIMM4: Corsair XMS3 DDR3 4GB CMX4GX3M1A1333C9
SATA Port 1: SSD Samsung 840 EVO 120GB
SATA Port 2:
SATA Port 3: HDD Samsung 1TB SATA II
SATA Port 4: HDD Samsung 1TB SATA II
SATA Port 5: DVD Liteon IHAS124-14 24X
SATA Port 6:
JAUD1: Coolermaster 352 Series Case Front I/O Intel HD Audio connector
JUSB1: Coolermaster 352 Series Case Front I/O USB 2.0 connector
JUSB4: Coolermaster 352 Series Case Front I/O USB 3.0 connector
BIOS v1.6:
01. F6 Restore Defaults: Load Optimized Defaults
02. SATA Mode: [RAID Mode]
03. SATA3 Hot Plug: Enabled
04. SATA4 Hot Plug: Enabled
05. Initiate Graphics Adapter: IGD
06. Serial(COM) Port 0: Disabled
07. Parallel(LPT) Port: Disabled
08. Windows 8/8.1 Feature: Enabled
09. Resume From S3/S4/S5 by USB Device: Enabled
10. GO2BIOS: Enabled
SATA Port 3+4 RAID1 (Mirror)
Windows 8.1 UEFI installation
Install Windows Update:
1. Important Updates
2. Recommended Updates
3. Optional Updates
Install MSI Drivers/Software:
01. Intel Chipset Driver 9.4.0.1026
02. Intel SVGA Driver 10.18.10.3412
03. Realtek PCIE Network Drivers 8.23.11.26.2013
04. Intel RAID Driver 12.9.0.1001
05. Realtek HD Audio Drivers 6.0.1.7111
06. MSI Wallpaper
07. Intel AMT Driver 9.5.15.1730
08. Intel SBA 2.2.39.7991
09. Intel Smart Connect Technology 4.2.40.2418
10. Super Charger 1.2.020
I have not configured any of the Intel Management and Security, Small Business Advantage, Smart Connect software, just installed them.
The issues I get are:
1. JUSB1 connected and Resume From S3/S4/S5 by USB Device: Enabled in BIOS. When I shutdown the PC, it automatically boots 2-3 seconds later. If I set Resume From S3/S4/S5 by USB Device: Disabled or disconnect the JUSB1, the PC shutdown is fine.
2. Once the PC is shutdown OK, PC boots itself several hours later. Yesterday at 15:50pm PC was shutdown. At 21:18pm, PC automatically booted itself.
This is my first MSI and UEFI motherboard. What I would like is some advice on setting up the BIOS and the software to get sleep/hibernate working and no automatic boots.
I have contacted MSI regarding these issues, but they say they cannot reproduce them. I have subsequently googled these issues and of course, other MSI users are experiencing similar problems, but there are no obvious resolutions. Please can anyone help/advise?

Hi,
I have the MSI Z87-GD65 Gaming mobo and perhaps similar problem as discussed in this thread.
I wanted to be able to wake my PC from sleep mode via my USB connected mouse and keyboard. Therefore I went into BIOS and set the "Resume from S3/S4/S5 by USB Device" to "Enabled". And yes, now it is possible to wake my PC from sleep mode by just clicking any button on my keyboard or just moving my mouse a little bit. So far so good. BUT, another feature was also added which I did not want to have: By just clicking any button on my keyboard or moving my mouse a little bit the PC also started after I have "shut it down"! This could seem as the PC boot by itself but it does not, I have to move the mouse just a little bit (by accident for example when needing more space on my desk) or clicking a button on the keyboard. I THINK THE ROOT CAUSE TO THIS PROBLEM IS AS FOLLOWS: In BIOS, it says "Resume from S3/S4/S5 by USB Device". Instead it should only be "Resume from S3 by USB Device". S3 is the same as "Sleep" and S5 is the same as "Soft off" = PC shutdown. Do you understand what I mean? When I shut down my PC it is put into state “S5”. (NOTE: I have another PC with MSI Z77-GD65 and here it only says "Resume from S3 by USB Device" and no problem with any starting of that PC via USB device from a shutdown state, it only starts from the sleep state (=”S3”) as I want. How do I get rid of the "S5" state in BIOS for this USB wake up feature? (Btw "S4" is hibernate state which is not the same as a shutdown PC, therefore not causing this problem.)
ADDED No. 1: Please read msdn.microsoft.com/en-us/library/windows/desktop/aa373229(v=vs.85).aspx for explanation of the different system Power states I mention above.
ADDED No. 2: My Click BIOS version is 1.8 for Z87-GD65 with release date 2013-12-06. On a Youtube video I have seen that version 1.0 of this BIOS has Wake up "Resume from S3 by USB Device" and not ...S3/S4/S5...

Z77a g43 boot issues

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