Dell / Inspiron 15 R Laptop
Not able to operate / starting

I guess the problem might be with the OS, i tried to update it but to no avail, since even to update it has to restart and it doesnt. i am trying to avoid reinstalling the OS in order to save my data. and after that it has also started getting extreamly hot.have not been able to anyhting for that.

Operating System: BIOS

Service Tag:8F7X5BS

SystemType: Inspiron N5010

- Case #: 20110304123454843