My Nikon D810 won't turn off anymore

[bernie west]

I was out shooting today and my D810 developed this problem.  Even when you pop the battery out and leave it out for a while and put it back in it's still on.  Strangely, I managed to turn it off a couple of times by changing the setting on the left top dial (the one for shooting method).  I was shooting with mirror lock up, and decided to switch back to single shot, and the camera turned off then.  

Also, the image review decided to stay on permanently until I half pressed the shutter.  

Any ideas what might be going on?  I guess I might try a factory reset if that is possible.  It's still under warranty, so I can get it fixed, but I'd prefer not to have to send my camera off for a month if I can fix it myself.

[Rory]

What type/manufacturer memory card are you using?  Long shot, but try doing a factory reset and remove the memory card.  To do a factory reset hold down the two controls with a small green dot beside them: QUAL + Exposure compensation.

[bernie west]

It's a Sandisk.  No luck with swapping it in and out.  I also changed lenses.  I tried the reset too.  It's still not turning off. 

[Rory]

That does not sound good.

[bernie west]

I guess the switch is probably stuffed.  Sigh.  Have to send it off for repair.