When you bought the board it probably had 0035 like mine.
UEFI boot is broken in 0039 so you must have 0045 if you want to install UEFI version of Windows.
To install Windows 7 in UEFI mode, you have to make the USB stick using
WinUSB Maker and then Installing Windows 7 in native EFI mode from USB - bit-tech.net Forums
make sure that it will be FAT32 when it finishes.
Looks like your motherboard is broken. You should call Intel by phone and explain them your issues. I guess a RMA is needed.
I don't believe it's really broken, it just seems like some strange behaviour w/ some specific components. Not sure about that of course. However for example the temp monitoring works normally in windows using any free/paid software. So I guess it's something BIOS related.
Bios 0045 solved almost all of my issues.
Have 2 issues only that i know of.
Anyone managed to solve these issues? I also reported this to Intel and got a ticket number.
45 bios seemed to install correctly but left a mess 11 icons of files on the desktop, newbie question, can I erase those icons without screwing up the newly installed bios?
I would like to know how to get rid of the flashing power button - it is REALLY annoying. Remvong power is not an option for me because I broke off the CMOS battery holder trying to remove the battery! Every time I remove the power, I would have to reset some items in BIOS.
I do have another board on order, but still do not want to look at the flashing power button. The 0045 BIOS seemed to fix most things for me, including the USB power surge error on the USB3 headers and disabling all USB3 ports when I added on a front panel USB3 card reader.
The new system I just built is working very well right now, EXCEPT for the flashing power.
They got almost everything right this time around, why the flashing power button? It seems Intel doesn't want us to be happy with this board 
There is not way to solve it permanently as it seems. Wait for a new bios again. But you say that you don't get any power surge warnings anymore? Maybe my chassis USB 3 port is acting weird and causing it to show warnings 
I was trying to use a SilverStone USB3 card reader in the front of the case. With BIOS 0039, when this device was plugged into the USB3 header, ALL of the USB3 ports were disabled - the drivers for USB3 did not even load. If I would unplug the cable and plug it back in, I would get the USB power surge message.
After update to BIOS 0045, with the device plugged in the device would be recognized and all of my USB3 ports were working fine. However, the card reader still did not work correctly, so I purchased a USB3 PCI Express card with an internal 20 pin connector and connected the card reader to that. I didn't use the card reader with the motherboard header.
However, my case has 2 USB3 ports on top, and this is plugged into the motherboard, and these are working fine.
To stop the freaking blinking irritating power led, disable general optimization under boot options, or what ever its called... It speeds up booting by disabling network, usb, optical boot.
Booting is obviously slower, but its better then that eye stabbing blinking!
Wondering when will they fix this...
THANK YOU! I knew there were times when the light blinked, and others when it didn't - I just could not figure out why.
No more annoying blinking light!
I simply covered the LED with a darker tranparent small plastic cover that just fit's over the light, I found it at a hobby shop..I like knowing it's in sleep mode. 
For anyone following this thread, I was eventually able to get 0045 to load over 0039 after chatting with an Intel rep. Previously, using the Windows or F7 USB Stick method, the update to 0045 would always hang on updating the Management Engine block. She had me try using the recovery jumper with a USB stick - that worked with no problem.
Message was edited by: Ken Edit: I should point out I used a USB 2 port on the back of the mobo - not a USB 3 port.
It did not work for me. I disabled it but after i shut down pc / turn on again, it was blinking again. I will have to try some more times.
Wow I'm relieved that I'm not the only one with the annoying power surges, it's a very annoying problem I couldn't find any solutions and it seems that neither did Intel. Well I guess now we can only wait for updates?
I have a DZ77GA-70K with latest (0045) bios.
