Hi, the warranty has expired.  However it seems the issue is not happening in the last couple of days after re-installing the previous BIOS version. Thanks.
Hi, I have Inspiron 7306 2 in 1 that having similar issue as the thread below: [URL] the laptop keep randomly restarting and updating bios afterward (starting from a few weeks back - probably related to latest bios version?) on the thread above it seems the resolution is to update bios and drivers. Does anyone know which drivers may cause the issue? Thank you.  
Inspiron 7306 2 in 1 randomly restarting