stuck at bios screen

Hello, I haven't used my Optimac (Dell 9020) for month and now it is not booting up. There where some trouble with the Bios - looks like I need a new battery: I had to change all the values described in the instructions. But still I have no luck, the screen shows some errors I don't understand...

I’ve had my hackintosh working for a couple months, now all of a sudden I get stuck on “End RandomSeed” when booting in verbose mode. If I don’t use a USB install key to boot into verbose mode I just get stuck at the mobo splash screen.

Hi, I am currently having a problem of stucking at the BIOS. I have 2 situations: 1. If I only plug in the Hackintosh SSD SATA cable, everything works fine, boot straightly into Mac. No problem at all. 2. If I plug in both Hachkintosh SSD & Win10 HDD SATA cables, I will stuck at the BIOS (the...

Please help me! Stuck at splash screen! Dear Community, I am new here and I have a problem, which i cannot seem to resolve. I wanted to build a hackintosh for a long time now, bought all the parts except an SSD and after some time just lost track of this project. Now i finally bought an SSD...