Was my first assuming right? Or does this change make it hop to another routine? Is it something found by stepping through routines in IDA or do you just know from experience [USER="240937"]Maxpower3[/USER]?
Or was it just because of this bug?Maxpower3Was my first assuming right? Or does this change make it hop to another...
DigitalDrifta
Member
Last Activity: 03-25-2025, 06:58 AM
Joined: 02-17-2025
Location: London
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Thanks, read through all those posts, and if my understanding is correct the solution is to invalidate the SaDatabase variable? Does changing the length of the stored password from 3F (63) to 3C (60) do that?Leave a comment:
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That worked! Thank you so much [USER="240937"]Maxpower3[/USER]! You\re amazing 🤯
In my hopes to continue learning, could you please teach a man to fish explain how you got to that offset or point me to a guide that explains this magic 😂
Thanks again, really appreciate it!Maxpower3Leave a comment:
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Thanks [USER="240937"]Maxpower3[/USER], I'll give it a go and then reassemble the laptop (not looking forward to that 😁 ). I've learnt a lot since joining this forum and would love to know how you found that particular offset [B]01046D5E[/B]? And how changing that one byte from [B]3F [/B]to [B]3C [/B]removes the password? I've tried some of the automated tools, but not seem to work. Thanks again for your efforts!Maxpower3Leave a comment:
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Third time is the lucky charm hopefully. Dump with NeoProgrammer... Thanks!...Leave a comment:
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I'm guessing one or more Pogo pins weren't making any contact 🤔Leave a comment:
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I'll have to dump it again via CH431A. I dumped it 3 times with SctWinFlash64 and they all matched the attached bios in the first post, also I'll have to reconstruct the laptop again to be able to use SctWinFlash64.Leave a comment:
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What about the most recent post with the NEW dump? That bad as well?Leave a comment:
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After great difficulty I've managed to get a dump via CH431A and a PCBite! Hopefully it's are good! Would really appreaciate some assistance :-) Thanks in advance!...Leave a comment:
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Thanks, I've ordered a CH431A and will post when I have a proper bios dump. Apologies, I thought I could use the Lenovo Bios tool to dump it
Leave a comment:
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Thanks for the info [USER="184406"]danito[/USER] . I dumped it with SctWinFlash64 from within Windows. Should I purchase a CH341A or T48 or could it be dumped via any other software?danitoThanks for the info [USER="184406"]danito[/USER] . I dumped it with SctWinFlash64 from within Windows. Should I purchase a CH341A or T48 or could it be dumped via any other software?Leave a comment:
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Hi, I tested the above but SctWinFlash64 didn't like it. I opened the bin you posted with a hex editor and can't find my serial in it? Was it generated from my dump and which tool did you use? Thanks!
[USER="373635"]hardware1[/USER] Looks like you've done this laptop model before, any advice?hardware1Leave a comment:
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Lenovo ThinkBook 13s G2 ITL Bios
Hi,
Wonder if someone could assist with my issue. I set my bios password a couple years ago and I can't remember it. I tried going through the guides but lost in the Hex editing of DMI
Would really appreciate if someone could assist in clearing the password for me.
Lenovo ThinkBook 13s G2 ITL
Serial: PW03Z1CD
MTM: 20V900AXUK
Bios Version: F9CN51WW
Regards,
Steve... -
Good evening,
I'm Steve, I've been fixing computers since the early 2000's. Getting old but still enjoy repairing and fixing computers and laptops. Recently got into soldering and repairing of circuit boards, got myself a good soldering iron along with a microscope etc...
Glad to be here and learn from others!Leave a comment:
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