thinkpad e570

Hi all. Board: NM-B421 Model: Lenovo ThinkPad E570 I don't know if there is anything wrong with my BIOS, but the laptop's all rails are good and yet it won't come on. I've tried 5 different BIOS files and still the same. Here is the original BIOS, could you check/clean if you can please, I'd...

CE570 NM-A831 Rev 2.0 E570 Laptop (ThinkPad) SKYWALKER NM-A831 Rev2.0 Schematic Intel KabyLake Processor with DDR4 + PCH-LP NVIDIA N16S-GTR GDDR5 2GB NVIDIA N16P-GT GDDR5 2GB 2016-08-24 Rev2.0 Skywalker KBL U Block Diagram CE570 NM-A831 REV 3.0 2016-11-08.BIN LCFC NM-A831 Rev1.0 BoardView...