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THINKPAD L540 MX25L6473E_12290-1M.BIN.zip
3.5 MB · Views: 739
3.5 MB · Views: 739
Lenovo THINKPAD L540 - LPD-1- 12290-1 BoardView.bv.zip
148.3 KB · Views: 573
148.3 KB · Views: 573
That makes absolutely no sense to me whatsoever. There must be a way to short pins to remove password?Use wires to connect. same Programming one chip BGA.
https://vinafix.com/media/connect-chip-bios-bga.2290/
backup it before, you know Programming BIOS or not ?That makes absolutely no sense to me whatsoever. There must be a way to short pins to remove password?
No I don't. Sorrybackup it before, you know Programming BIOS or not ?
OMG, You are not a technician ?No I don't. Sorry
Yes I am a computer technician. I don't reprogram bios, I normally replace the chip or Short pinsOMG, You are not a technician ?
Depending on the model, you need know Programming BIOS.Yes I am a computer technician. I don't reprogram bios, I normally replace the chip or Short pins
Find security chip like L08 and watch video.I send above pics if board same.Yes I am a computer technician. I don't reprogram bios, I normally replace the chip or Short pins
you know Programming BIOS ?In all these above posts i did not find any exact method to clear supervisory password of Thinkpad L440
Buy VIP hereI know programming, but not programming bios and above all, where i will find my bios ic, how to do.... I will pay ...but first make me sure how to remove supervisor password.
xin schematic or boardviewerTHINKPAD L540
LPD-1
12290-1M
48.4LH01.01M
LENOVO L540 LPD-1 MB 12290-2 48.4LH01.021 UMA CPU INTEL SR1H9 (Intel Core i5-4300M) OK
View attachment 17857 View attachment 17858 View attachment 17859 View attachment 17860 View attachment 17861
không cóxin schematic or boardviewer
Help me Unlock L540 eeprom L08
Yes all same 12290on my board signature is 12290-1 not 1m. This bios same or not?