Server 2012r2 VM not booting past the initial splash screen

I am running a Server 2012r2 VM that has been re-booted, but it is getting stuck on the splash screen.

It is on a host running ESXi 5.5 and managed through vSphere 5.5.0.  

I have tried power the server off and back on but still sticks.

I have also added the following line to the vmx file as per the workaround on theVMware knowledge base.

monitor_control.enable_softResetClearTSC = TRUE

I have since power cycled the server but still not getting past the windows logo and spinning circle.

Can anybody advise anything else we can try.
Matthew HinchliffeIT EngineerAsked:
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Muhammad BurhanManager I.T.Commented:
detach vhd and then turn-on the VM and check what it says
Michael PfisterCommented:
Try inserting the 2012 R2 ISO to the virtual DVD drive and boot from DVD.

Select "Troubleshoot"
Either let Windows try to fix the problem or enable the boot menu of your OS on disk:
open a command prompt, then run
bcdedit /set {bootmgr} displaybootmenu yes
bcdedit /set {bootmgr} timeout 30
Matthew HinchliffeIT EngineerAuthor Commented:
Thanks for the response.

I've tried inserting the 2012 ISO, but it seems to be being ignored.

When I power up the server I see the initial vmware connection screen.  The I see the Preparing Automatic Repair message and then the spinning circles....
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Muhammad BurhanManager I.T.Commented:
please check in VM setting for boot option and make CD/DVD first
Matthew HinchliffeIT EngineerAuthor Commented:
Ok, I've managed to get the vm booting up to the installation ISO, however, when I click on Repair My Computer the screen goes blank blue and does not proceed.
Michael PfisterCommented:
◦The virtual machine has not experienced a full power cycle (powered off / powered on) for more than two months.

> I have tried power the server off and back on but still sticks.

So "monitor_control.enable_softResetClearTSC = TRUE" is not the solution here.

Have you tried starting the guest on a different host?

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Michael PfisterCommented:
Can you open the command prompt when started from the ISO?
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