user benchmark did not say if psu was upgraded. basic online psu calculator estimates Load Wattage: 208 W w bare minimum config of i5-7400 + gtx 1050 ti. 180w psu is a bit weak.
dell vostro 3268 180 psu can support gtx 1050ti i see support for this website [URL]
dell vostro 3268 can support gtx 1050ti