Not sure what happened..
PSU - 1000w EVGA 1000GQ
MB - ASRock B150M Pro 4
RAM - Kingston Technology ValueRAM 4GB 2133MHz DDR4
CPU - Intel BX80677G3930 7th Gen Celeron Desktop Processor
GPU - EVGA GeForce GTX 1060 GAMING, ACX 2.0 (Single Fan), 6GB GDDR5, DX12 OSD Support (PXOC), Only 6.8 Inches Graphics Card 06G-P4-6161-KR
Power Button - uxcell 67" Desktop Computer Case Power Supply Reset HDD Button Switch
Started with one GPU, had my SSD drive with windows 10 loaded and I couldn't get anything to appear on my monitor. Powered down. Removed my GPU to allow the monitor to connect to the MB graphics, restarted. Heard a loud "pop", saw sparks and smoke from the PSU and now it's dead.