Question Pc gets black screen crash and powers up again making a click sound randomly for past few months

[Ajitbiceps]

Computer keeps crashing . For past few months my computer makes a click sound and goes black screen after that it boots up qgain. Sometimes it runs for hours sometime for few minutes . Took ut to the repair shops all say it works fine in there.
Temperatures are ok and ram is working fine
2 hdds 1 tb each
I54440k
8 gb ram
Vs 650 psu
Hd 5670 (since previous card died )

 

[General Kenobi]

Which os are u operating? It can be your os is getting crashed try a clean install it should work probably has happened with me many times