[SOLVED] Computer starts, then shuts down; then continuously repeats that cycle

May 6, 2020
4
0
10
z390-e Rog Strix (Asus) Motherboard;
i5 9600k Intel processor;
Nvidia gtx 1030 videocard;
500 watt PSU;
2 sticks Vengeance Pro 8gb DDR4 Ram; not overclocked;
3Hard drives and 1 DVD Burner (LG).

No beeps from the PC speaker.
 
Solution
I have upgraded the Power Supply to 850 watts and the computer started up like a racehorse. Although I usually do a clean Windows install, there was no need this time. I updated all drivers and utilities and it runs very well. Thanks to all who replied and gave suggestions.
May 6, 2020
4
0
10
I have upgraded the Power Supply to 850 watts and the computer started up like a racehorse. Although I usually do a clean Windows install, there was no need this time. I updated all drivers and utilities and it runs very well. Thanks to all who replied and gave suggestions.
 
Solution