Win8.1 stuck at "Please Wait"

Hello, I have a Windows 8.1 PC that boots to a "Please Wait" screen.  I have tried the following steps, but none have resolved the problem:

1) Press Ctrl-Alt-Del at the Please wait screen.  Nothing happens.  I also tried Ctrl-Esc as well as Ctrl-Shift-Esc.  I haven't found any key combinations that work at the Please Wait screen.
2) Let it sit at the Please Wait screen.  I let it run overnight, for around 12 hours.  Was still at the Please Wait screen in the morning.

3) Boot off a USB Recovery of Win8.1 -> System Restore.  Tried 3 different system restores from over a 45 day period with no success
4) Boot off a USB Recovery of Win8.1 -> Safe mode.  There was no Safe mode option under the advanced troubleshooting section
5) Boot off a USB Recovery of Win8.1 -> Command Prompt.  Chkdsk found no errors, and sfc /scannow wouldn't run (no explanation provided)
6) Boot off a USB Recovery of Win8.1 -> Refresh the PC.  Windows was unable to refresh the PC (no additional information was provided)

7) Press F8 during boot -> Safe Mode with Networking.  This also boots to the Please Wait screen

Are there any other steps I can try to resolve this problem?  I'd rather not reset the PC, or erase / reinstall Windows and apps.
RobertSystems AdministratorAsked:
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Hello ThereSystem AdministratorCommented:
bootrec /fixMBR
bootrec /Fixboot
bootrec /rebuildBCD
DISM.exe /Online /Cleanup-Image /RestoreHealth
Hello ThereSystem AdministratorCommented:
Looks like your system is damaged. Prepare yourself for fresh install. Backup your data if possible.
look at the comments after this YouTube (nothing in it for you) - anything useful?
like switch off the pc completely?  you may have to remove the battery for a laptop, and power cord
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RobertSystems AdministratorAuthor Commented:
@Hello There - The bootrec commands did not help.  The dism.exe command did not run, all three parameters were invalid.

@nobus - I don't see the youtube link.  Can you post it?
sorry - seems i forgot it :
RobertSystems AdministratorAuthor Commented:
Thank you for all of the suggestions, but nothing worked.  I ended up resetting the PC.

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RobertSystems AdministratorAuthor Commented:
None of the suggestions resolved the problem.
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