How would i check the iDRAC logs? I dont know which bios it is i will check tomorrow. The server behaves the same with one or two power supplies

Can you check Logs in iDRAC and see whether it have any useful information on failure. What iDRAC and BIOS FW you have on the server? You can also check only with one PSU and check the behavior

If you configured IP address for iDRAC, you can login to iDRAC web GUI using IP address and check the Logs section. If IP address is not configured for iDRAC, you can refer below link to configure an IP address for iDRAC

https://www.dell.com/support/kbdoc/en-us/000177212/dell-poweredge-how-to-configure-the-idrac9-and-the-lifecycle-controller-network-ip 

LCD does not turn on. The server also did not start today which is weird. I've left it there for over a day and it won't turn on anymore now. the other times that it did i disconnected the cable out of the psu now i just turned of the power connector.

The server won't even turn on so i can't check the logs, thanks for the suggestion though.

Did you have LCD on the front panel? If yes can you check what it shows. iDRAC can work even if server is Off. You can also try to configure iDRAC when server is powering on after waiting for couple of hours.