Dell latitude 10 ST2e won't Boot

When I recently attempted to start-up my Latitude 10 ST2e tablet (Tag#6DZ9RT1), I noticed that the power light came on and the front camera light indicator came on, but the system did not boot-up.  Both the power light and the camera light remained steady and did not flash.  

After looking-up the recommended solutions on this page, I attempted to hold the power button for 10 seconds, release, and then hold it for 10 seconds again.  I attempted this numerous times, and even held the button for up to 1 minute each time.  This did not solve the problem.  

I then plugged-in the charger and the charging indicator light came on (steady) for about an hour and then went off, indicating that the tablet had re-established a full charge.  

I also disconnected the battery and attempted a hard re-start.  This also failed.  

From what I can tell, there are no problems with the charger or the battery.  It just seems that the system is asleep and cannot be "woken up" or that there is a boot error.  

Please assist.  Thank you.