List your system's specs like so:
CPU:
Motherboard:
Ram:
SSD/HDD:
GPU:
PSU:
Chassis:
OS:
Please include the age of your PSU as well.
I7-4770
Gtx780 ti 3gb
8gb ddr3 ram
256gb ssd 1tb hdd
Asus mother bord sorry,i dont know more about it
Psu 750w i don'tknow how old it's used before me
I calculated how much watt i need and its 450W
Thanks, for your quick response