Help! stuck boot Disgaea 4

I am using latest RCPS3 and already installed latest firmware and bios of PS3 already but still stuck boot and nothing work when press enter button keyboard.

https://i.imgur.com/oPVysLt.png

https://i.imgur.com/9nEoiHB.png

My PC specs
Windows 10 Pro
Nvidia GTX 560 1GB 390.77 Drivers not supported Vulkan.
Intel Core 2 Quad Q8400
4GB RAM DDR2
ASRock G41-CS