Z77 mpower led error code 64 after long POST

Hey guys. I am new to this forum, But I have been having a frustrating issue with my new mpower board.
everything seems to be working fine... runs fine recognizes all of my hardware. plays games and the whole works. however there is one problem. the board takes forever to POST. it will stick on b4 on my screen and on the debug led with a 64, I looked in my manual and found that error code 64 means late CPU initialization. what does this mean I tested my ram by testing each stick in different dim slots and it makes no difference I tried putting my hdd's in different SATA ports and nothing changes. I am running the latest bios I checked. is this an issue I should be worrying about or being everything is running fine not to fuss about it? I just want to make sure everything is running like it should any help is much appreciated being my pc knowledge is limited.
z77 mpower
i7 3770k 3.5 ghz
2x4 gb corsair vengeance @1866
120 gb Samsung 840 pro
1tb WD caviar black 7200 rpm
gtx 690
850w ocz psu
corsair h100i

the B4 is a USB hotplug issue. remove the front pannel USB 2.0 header connectors and see if that stops. if not remove 1 USB device at a time!
the 64 may be related to the USB hotplug issue and its stoping the CPU to hold the post till it leaves the USB and skips it.

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https://forum-en.msi.com/index.php?topic=161491.msg1185929#new
>>Use the MSI HQ Forum USB flasher<<
Run memtest first to make sure the memory is ok, since that is a new board there have been a ton of fixes already.
That link is to the beta.
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Hello again trishjax,
Thank you for the update on your issue is has helped. I agree with you based on what you just posted it definitely sounds like something has broken loose of the solder on your computer. The only thing I can suggest is you either contact HP Technical Support for repair options, or go to a local computer repair shop and have it looked at. If it is a hardware issue this is really your only option if you do not know how to do it yourself.
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Please click the "Thumbs Up" on the bottom right of this post to say thank you if you appreciate the support I provide!
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atlantrace wrote:
I have a dv6-1280us laptop that does not start. I can hear the optical and HDD, screen is blank the number lock and cap lock LED blinks once between pause. The chart indicates that the CPU needs to be replaced. I replaced the CPU with a new one from HP. I still am getting the same LED error code. Any suggestions on resolving this problem. Thanks.
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Please Click Here to find more information about troubleshooting your HP ZR2740w Monitor
Hope this helps, for any further queries reply to the post and feel free to join us again
**Click the KUDOS star on left to say Thanks**
Make it easier for other people to find solutions by marking a Reply 'Accept as Solution' if it solves your problem.
Thank You,
K N R K
I work on behalf of HP

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https://dl.dropboxusercontent.com/u/29403117/IMG_0902.JPG
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Z77 mpower led error code 64 after long POST

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