Help! Motherboard stuck at BIOS splash screen

I'm attempting to run an Ivy Bridge EP Xeon CPU on my test bench, but when I put it in, it won't boot so it is quite obvious that I needed a BIOS update. But as soon as I put my Sandy E cpu back in, it boots but gets stuck at the BIOS splash screen for a few minutes, my keyboard and mouse don't work, and then it will hang with a white cursor on the top left corner. I've cleared the CMOS many times, removed the battery for hours but no luck. I have also tried switching BIOS but still nothing.


Specs:

CPU: E5-1607 , attempting to run E5-1650 V2.

Motherboard: Gigabyte GA-X79-UD5

RAM: 16Gb DDR3-1600 (2X8GB) CL9

Video card: EVGA GeForce GTX 960 2GB

PSU: Corsair VS550

HDD: WD Black 2TB 64MB Cache.

OS on Drive: Windows 7 Ultimate 64bit

The RAM passes two runs of MEMTEST86, and GPU is literally brand new from an RMA. HDD is less than 100 hours in it, so it should not be failing. Tried too many tutorials online but non helped. Very desperate right now.

Thanks in advance.
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    Question from Tim_170 : "Help! Motherboard stuck at BIOS splash screen"

    I'm attempting to run an Ivy Bridge EP Xeon CPU on my test bench, but when I put it in, it won't boot so it is quite obvious that I needed a BIOS update. But as soon as I put my Sandy E cpu back in, it boots but gets stuck at the BIOS splash screen for a few minutes, my keyboard and mouse don't work, and then it will hang with a white cursor on the top left corner. I've cleared the CMOS many times, removed the battery for hours but no luck. I have also tried switching BIOS but still nothing.


    Specs:

    CPU: E5-1607 , attempting to run E5-1650 V2.

    Motherboard: Gigabyte GA-X79-UD5

    RAM: 16Gb DDR3-1600 (2X8GB) CL9

    Video card: EVGA GeForce GTX 960 2GB

    PSU: Corsair VS550

    HDD: WD Black 2TB 64MB Cache.

    OS on Drive: Windows 7 Ultimate 64bit

    The RAM passes two runs of MEMTEST86, and GPU is literally brand new from an RMA. HDD is less than 100 hours in it, so it should not be failing. Tried too many tutorials online but non helped. Very desperate right now.

    Thanks in advance.
    Reply to Tim_170
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