I've noticed some people ask about a BIOS unlock method for some Lenovo Thinkpad Laptops. I found the method in this video to work, so I thought I'd share it incase others need it too. 

FYI, I followed the instructions to unlock the BIOS password on my Lenovo X380 Yoga.

**Partial list of working models:**

ThinkPad 13 (20GJ, 20GK, 20J1, 20J2)
ThinkPad 25 (20K7)
ThinkPad A485 (20MU, 20MV)
ThinkPad Helix Gen 3

ThinkPad E14 (20RA, 20RB)
ThinkPad E470 (20H1, 20H2)
ThinkPad E480 (20KN, 20KQ)
ThinkPad E485 (20KU)
ThinkPad E490 (20N8, 20N9)
ThinkPad E495 (20NE)
ThinkPad E490s (20NG)
ThinkPad E570 (20H5, 20H6)
ThinkPad E580 (20KS, 20KT)
ThinkPad E585 (20KV)
ThinkPad E590 (20NB, 20NC)
ThinkPad E595 (20NF)

ThinkPad L380 (20M5, 20M6)
ThinkPad L380 Yoga (20M7, 20M8)
ThinkPad L390 (20NR, 20NS) [32MB]
ThinkPad L390 Yoga (20NT, 20NU) [32MB]
ThinkPad L440 (20AS, 20AT)
ThinkPad L450 (20DS, 20DT)
ThinkPad L460 (20FU, 20FV)
ThinkPad L470 (20JU, 20JV)
ThinkPad L540 (20AU, 20AV)
ThinkPad L560 (20F1, 20F2)
ThinkPad L570 (20J8, 20J9, 20JQ, 20JR)

ThinkPad P40 Yoga (20GQ, 20GR)
ThinkPad P50 (20EN, 20EQ)
ThinkPad P50s (20FK, 20FL)
Thinkpad P51 (20HH, 20HJ)
ThinkPad P51s (20HB, 20HC, 20JY, 20K0)
ThinkPad P52 (20M9, 20MA) [32MB]
ThinkPad P52s (20LB, 20LC)
ThinkPad P70 (20ER, 20ES)
ThinkPad P72 (20MB, 20MC) [32MB]

ThinkPad T440 (20B6, 20B7)
ThinkPad T440p (20AN, 20AW)
ThinkPad T440s (20AQ, 20AR)
ThinkPad T450 (20BU, 20BV, 20DJ)
ThinkPad T450s (20BW, 20BX)
ThinkPad T460 (20FM, 20FN)
ThinkPad T460p (20FW, 20FX)
ThinkPad T460s (20F9, 20FA)
ThinkPad T470 (20HD, 20HE, 20JM, 20JN)
ThinkPad T470p (20J6, 20J7)
ThinkPad T470s (20HF, 20HG, 20JS, 20JT)
ThinkPad T480 (20L5, 20L6)
ThinkPad T480s (20L7, 20L8)
ThinkPad T495 (20NJ, 20NK)

ThinkPad T540p (20BE, 20BF)
ThinkPad T550 (20CJ, 20CK)
ThinkPad T560 (20FH, 20FJ)
ThinkPad T570 (20H9, 20HA, 20JW, 20JX)
ThinkPad T580 (20L9, 20LA)

ThinkPad W540 (20BG, 20BH)
ThinkPad W541 (20EF, 20EG)
ThinkPad W550s (20E1, 20E2)

ThinkPad X1 Carbon Gen 2 (20A7, 20A8)
ThinkPad X1 Carbon Gen 3 (20BS, 20BT)
ThinkPad X1 Carbon Gen 4 (20FB, 20FC)
ThinkPad X1 Carbon Gen 5 (20HQ, 20HR, 20K3, 20K4)
ThinkPad X1 Carbon Gen 6 (20KH, 20KG)

ThinkPad X1 Tablet 3rd Gen (20KJ, 20KK)*

ThinkPad X1 Yoga Gen 1 (20FQ, 20FR)
ThinkPad X1 Yoga Gen 2 (20JD, 20JE, 20JF, 20JG)
ThinkPad X1 Yoga Gen 3 (20LD, 20LE, 20LF, 20LG)

ThinkPad X240 (20AL, 20AM)
ThinkPad X240s (20AJ, 20AK)
ThinkPad X250 (20CL, 20CM)
ThinkPad X260 (20F5, 20F6)
ThinkPad X270 (20HM, 20HN, 20K5, 20K6)
ThinkPad X280 (20KE, 20KF)

ThinkPad Yoga 14 (20FY)
ThinkPad Yoga 260 (20FD, 20FE, 20GS, 20GT)
ThinkPad Yoga 370 (20JH, 20JJ, 20JK, 20JL)
ThinkPad Yoga 460 (20EL, 20EM)
ThinkPad Yoga X380 (20LH, 20LJ)


BIOS Locked? How to Remove BIOS Password using DXE patch solution (Works in 2025)