My Laptop keeps turning off every 10-20 minutes

[Ratra]

My PC keeps turning off every 10-20 minutes without any warning or anything and I can't turn it on for 5 minutes after it turns off and it doesn't save anything, I don't get the BSoD or the overheating message so it's not crashing or overheating, I don't know what to do please help me. PC Specs:

OS Name Microsoft Windows 8.1
Version 6.3.9600 Build 9600
System Manufacturer Hewlett-Packard
System Model HP ENVY dv6 Notebook PC
System Type x64-based PC
Processor Intel (R) Core (TM) i7-3630QM CPU @ 2.40GHz, 2401 MHz, 4 Core(s), 8 Logical Processor(s)
BIOS Version/Date Insyde F.28, 7/25/2013
SMBIOS Version 2.7
BIOS Mode UEFI
Baseboard Manufacturer Hewlett-Packard
Installed Physical Memory (RAM) 6.00 GB
Total Physical Memory 5.89 GB
Available Physical Memory 2.00 GB
Total Virtual Memory 8.89 GB
Available Virtual Memory 4.41 GB
Display adapters, Intel (R) HD Graphics 4000, NVIDIA GeForce GT 630M
Batteries Microsoft AC Adapter, Microsoft ACPI-Compliant Control Method Battery

 

[Cobalt006]

Have you checked your power settings? Also either download Speed Fan or Hwmonitor. In order to check your temps. Sometimes you will not see a warning for your laptop over heating. It will just shut it's self down.

Both softwares can be download here at Techspot. Under downloads.