Things to check and look out for are:
1. Heat issues (Clean out with air and check temps in bios pc heath, run bios on default settings)
2. Ram (run tests on run overnight)
3. CPU (unlikely, but possible)
4. PSU (test power supply and replace if failed)
5. Blown and Leaking Motherboard Capacitor (replace motherboard)
Hope this helps you out.
iv ran test on my ram using Memtest86.
no error on any of my ram totaling 8Gbs.
heat wize its got no dust altho the fans go to 100% power on boot?
this may be connected to the bios problem.
psu wize its fine no problems at all.
how can i find out what i have blown?? if i have done?
i can still boot to disk.