Let' start with a diagnostic scan (ePSA) and give your system a fresh CR2032 battery.  Then you can proceed with checking your system integrity with SFC, CHKDSK and DISM.  Post the results here to receive assistance from the community.
I recently got the 3D art bug and have a T5610 with 64gb memory, 1300w power supply, nvidia titan x card… and it is having hard reboot problems with no windows log generated other than improper shutdown. Seeking help and assistance.
T5610 Hard Reseting