Z97-G45 Motherboard Power Issues

Hi,
I'm having a problem with my Z97-G45 motherboard where the PC will not power on (via the power button) after I have turned off the PC (by any method) I only have two ways to get the PC to power back on, one is to hold the power button down for 15-20 seconds, release and then press it again. The second method is to unplug the power cable directly from the PSU and then plug it back in. Both of these methods work every time.
This was not a problem when I first built the machine (2 weeks ago) so I believe it may have something to do with the lastest BIOS version which has updated via MSI Live Update.
PC Info:
Z97-G45
i7 4790K
Corsair H100i
Corsair Vengeance 16GB DDR3 2133 (quad)
Corsair AX750 PSU
MSI GTX 980
Crucial MX100 256GB SSD
Any help would be appreciated.
Additional info:
This problem will continue even if I leave the PC off for days with the power cable still in.
Restarts work perfectly fine,
I have tried:
Full BIOS reset
Starting with only 1 stick of RAM
Re-flashing the BIOS with an older BIOS
Re-flashing the BIOS with the newest BIOS

Quote from: Svet on 04-November-14, 03:39:12
sorry, then do clear cmos, follow this guide: >>Clear CMOS Guide<<
I reset the BIOS as per the guide making sure that the date was reset and sadly it has made no difference to the problem.

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MSI Z97 G45 Motherboard (CPU / RAM PROBLEM)

Hey guys! I recently built my first PC and need some help! I'll list my setup before elaborating.
Case = NZXT H440 Black/Red
MOBO = MSI Z97 G45
CPU = i7 4790k
RAM = TridentX 2400 (16GB)
PSU = Corsair AX 760 Platinum
GPU = MSI GTX 970
SSD = Samsung Pro 850
Okay so basically after I finished the build and fired it up everything worked GREAT! But, I realized the DRAM was only running at 1333 mhz by default. I did a little research and read that you're suppose to enable XMP Profile 1 on this MSI MOBO in order to achieve the 2400 mhz this memory offers - so that's what I did! However, this caused the CPU to overheat! Apparently XMP overclocks the CPU as well? Bad! I'm on stock cooling. It took me forever to figure out that it was the XMP that was causing the overheating too.
How can I achieve 2400 mhz WITHOUT overclocking the CPU and frying my PC? Why do I have to overclock at all? The ram is sold as 2400 and suppose to be compatible with my motherboard, processor, etc.
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Quote from: badboy2k on 11-March-15, 18:36:20
Memory speed is down to how your computers CPU's Memory controller handles the higher frequancy and if the CPU sees that the IMC is suddenly loosing a hold it will boost up the Voltage on the IMC (More voltage = More Heat) its a total shot in the dark that any CPU can use above its listed memory speed without needing more voltage to be stable!
your CPU's IMC will be overtaxed by running at 2400 so the voltage is increased to use that as the speed is at 150% what the IMC was rated at (1333/1600Mhz)
for your 4790k
Memory Specifications
Max Memory Size (dependent on memory type)    32 GB
Memory Types    DDR3 1333/1600
Max # of Memory Channels    2
Max Memory Bandwidth    25.6 GB/s
ECC Memory Supported ‡ No
if i was you its always a good idea to get a aftermarket cooler as the intel stock ones are very poor and are just barely enougth so the best thing to do is get a better one (e.g. a Coolermaster Hyper 212) that has a higher cooling capacity for not that much money!
that ram is putting 150% its design load on the IMC so it will be generating more heat then it was meant for so you need better cooling if your running those high OC memory sticks!
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somebody will probably solving this type of problem soon...I suggest following this link
Power on issues
I personally gave up on 3 pc's with very similar symptoms. All older machines and not worth T-shooting either with time or money.
"My comments are my own reality" Consider these in addition to other sources. I only know what I know.
Dan

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Hello, I recently purchased the MSI Z97-G45 motherboard and my major complaint is that it takes around 3-5 minutes to get to the windows boot logo. It always stalls when it says A3 at the bottom right hand side of the screen. Is there anyway to fix this problem? Thank you for your time

Quote from: flobelix on 23-August-14, 19:35:09
Please add system specs: >>Posting Guide<<
Operating System
         Windows 8.1 Pro 64-bit
      CPU
         Intel Core i7 @ 4.00GHz   32 °C 4790K
         Haswell 22nm Technology
      RAM
         16.0GB Dual-Channel DDR3 @ 666MHz (9-9-9-24) G.SKILL Sniper Gaming Series 16GB (2 x 8GB) 240-Pin DDR3 SDRAM DDR3 1866 (PC3 14900) Desktop Memory Model F3-1866C10D-16GSR
      Motherboard
         MSI Z97-G45 GAMING (MS-7821) (SOCKET 0)   39 °C
      Graphics
         S220HQL (1920x1080@60Hz)
         W2053 (1600x900@60Hz)
         2048MB ATI AMD Radeon HD 6900 Series (Sapphire/PCPartner)   49 °C
      Storage
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Graphics
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Quote from: JLio01 on 22-April-15, 11:07:19
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Hi guys,
Don't know if I am posting in the wrong spot but I recently bought a new CPU and to go with it I purchased a z97 G45 Gaming board however I'm currently having issues. Before I talk about the issues I'll just state my build:
CPU: i5-4690k
MB: z97 G45 Gaming
GPU: Gigabyte GTX 770
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PSU: Silverstone Strider Gold 850W ST85F-GS
Ram: 8GBx2 Kingston Hyperx Blu 1600
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Dyltom.

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As signature with AMD system obviously doesn't match the system in question follow >>Posting Guide<< and add specs.

MSI Z97-G45 Sound Issue

I bought a MSI Z97-G45 two weeks ago, everything is working fine except for the sound. The problem is when I plug my 3.5mm jack into the motherboard it does give sound, but a very low volume. When you turn the volume up it starts making a crackling noise. I have to turn my speakers up all the way to the maximum (normally this would blow them up). The windows volume slider is on maximum so that isn't the issue.
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Quote from: Nichrome on 16-July-14, 03:19:05
>>Posting Guide<<
Have you installed all the drivers required from here?
http://www.msi.com/support/mb/Z97G45_GAMING.html#down-driver
I have installed all drivers that are required, device manager shows everything as correct. Front panel audio works correctly (same drivers?), only when plugging the speakers in the motherboard the issue starts.
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Board: MSI Z97-G45
Bios: Version 2.20
VGA: MSI 660GTX 2GB Twin Frozr
PSU: Enermax Liberty 620Watt
Intel Core i7-4790K Haswell 4GHz (4.4GHz Turbo Boost) LGA 1150 88W
MEM: Corsair 1600mhz 4x2gb CMX8GX3M4A1600C9 @ Auto Voltage
HDD: Samsung Evo 840 250GB
COOLER: Corsair h100i Water Cooler
OC: No
OS: Windows 7 64bit Professional

Z97-G45 Motherboard Power Issues

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