Here are the files of the motherboard model 6050A2637901 - MB - A02 CHICLET if they can help eliminate the password or tell me the correct bin files.
Download list
HP_EliteBook_840_G2_W25P16.bin
2 MB · Views: 369
2 MB · Views: 369
HP EliteBook 840 G2_25L128.bin
16 MB · Views: 457
16 MB · Views: 457