External monitor troubleshooting

this is a absolute hail mary, but hopefully 🙏. i have a toshiba c55d-b5203 with a severely broken screen, that won’t connect to external monitor/tv. it honestly hasn’t been booted up in a few years so i don’t really know what it’s showing immediately but here i am again trying to bring it back...

I have a Dell Latitude E6520 laptop, to which I am trying to use a Samsung S22C200 external monitor. The laptop cannot detect the monitor at all. I have tried Fn + F8 to no avail. I have updated the drivers(this is a recently re-imaged box), checked the monitor against another computer(it...