These events on their own simply mean the computer is rebooting.
Some of the following may help
Memory dumps
Check for memory dumps in C:\Windows\Minidump. If there are any pleas upload them.
Make sure memory dumps are enabled
- Press [Windows key + r] type systempropertiesadvanced.exe
- Under the advanced tab, click settings under 'Start up and Recovery'
- Under Write Debug Information change the drop down to Kernel Mini Dump
Run chkdsk
chkdsk C: /R
Download memtest86+ and test your memory