Question Pc Monitor shows vertical lines then shuts down immediately !!!

[commssrd]

Hello my work pc randomly shows vertical and short horizontal lines and shut downs.

 

[rgd1101]

full system spec? include brand and model of the psu?
check cpu/gpu temp?

 

[commssrd]

full system spec? include brand and model of the psu?
check cpu/gpu temp?

HP Elite 8200 8300 Business Desktop Computer
intel Core i5-2500 (3.30 GHz, 6MB cache, 4 cores)
4gb ram
im not sure of the brand of psu its an pre build cpu
cpu temp is 45 to 47 average Celsius