Hello, I have this Latitude 7420 laptop with bios password,
please removed.
Latitude 7420
ST: 6VD64M3
please removed.
Latitude 7420
ST: 6VD64M3
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Latitude 7420
Service Tag: 9TPC7M3
,, pls help me! tpm is not detectedComment
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Hi, I have the motherboard with the exact same model: GDC31 LA-K371P, rev. 3.0. ( A02), but the UC2 chip is different from what you mentioned, it's GigaDevice 25R256DYIG, is it correct?
I will desolder and read it, I assume it's just another manufacturer, but the same chip and the password is there.
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Attached is the file, can you please check it?
Latitude 7420
Service tag HF8DGK3
Bios chip: GigaDevice 25R256DYIG
One more question - I read the chip using CH341 programmer and it works as usual, I can erase it ok, but when I start flashing it with an original bios, the process hangs the programmer (tried AsProgrammer and NeoProgrammer both programs just hang and stop responding). If i stop the process and read the chip again, I see that only some blocks of the firmware are written correctly and then all the subsequent memory is empty. Did you ever meet such an issue? I think it might fail writing the modified firmware as well.
Could it maybe be connected with a strange behavior of chip write protection: I can't fully remove write protection bits for some reason. Some flags just return back even after I remove them. See the screen attached.Attached Filesif you find these attachements useful please consider making a small donation to the site
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Not sure why, I don't see zip archive with the bios attached to my previous message while I am not logged in. Uploading the dump in rar format once again just in case.Comment
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Anyone knows what are the correct settings for the status registers here for GigaDevice 25R256DYIG on Latitude 7420?
Looks like I've tested everything else but these bad boys. And I unfortunately didn't save their initial configuration settings before resetting them (Attached Filesif you find these attachements useful please consider making a small donation to the site
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Please help me remove BIOS password.
Dell Latitude 7420
LA-K371P Rev 3.0 (A02)
ST : GXMGMN3Comment
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Please remove a password from this file DELL LATITUDE 7420Comment
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post S/N Service Tag or SNID, motherboard model etc.
read the forum rules..https://www.badcaps.net/forum/troubl...before-posting
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Please remove a password from this file DELL LATITUDE 7420 DELL LATITUDE 7420 LA-K371P Rev 3.0 A02 ST C7LXXD3Comment
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Hi! need to remove BIOS password Latitude 7420
ST:56WH4J3
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Hello everyone.
I have come here with a rather specific question. I was given a Dell Latitude 7420 laptop with a busted screen, and wanted to see if I could refurbish it into my daily driver. I wanted to experiment and see if a 2-in-1 display would work as the chassis of the laptop and 2-in-1 7420 looked identical. I threw in the display and my hypothesis was correct, however, I was greeted with a locked BIOS and since I didn't know the password, I figured I'd try to unlock it somehow. I bought one of those POGO pin probe things for my CH341A programmer so I could read and make... -
Hello everyone in the community
Dear Sir,
I need help removing/unlocking the BIOS Service Tag password on my Dell Latitude 5520 laptop.
Problem details:
* Model: Dell Latitude 5520.
* Board ID (from BIOS file): TGL MB 8L 19819-1 (Southpeak15).
* Required Password Code: 3FE2 (BIOS Service Tag Lockout Code).
* Service Tag: (HMHJQ93)
* BIOS Status: I successfully modded the BIOS file and created FINAL_CLEANED_ME.bin (32MB) with a clean ME region (CSME 15.0), because the original dump was corrupt.
What I need:
Please help me generate... -
Hello everyone in the community
Dear Sir,
I need help removing/unlocking the BIOS Service Tag password on my Dell Latitude 5520 laptop.
Problem details:
* Model: Dell Latitude 5520.
* Board ID (from BIOS file): TGL MB 8L 19819-1 (Southpeak15).
* Required Password Code: 3FE2 (BIOS Service Tag Lockout Code).
* Service Tag: (Enter your actual Service Tag from the laptop here)
* ​BIOS Status: I successfully modded the BIOS file and created FINAL_CLEANED_ME.bin (32MB) with a clean ME region (CSME 15.0), because the original dump was corrupt.... -
Hi,
Could someone help trying to unlock this BIOS, seems that Dell have changed the layout of new Dell Pro 8FC8 bioses from checking HXD - 4000 bits do not need changing, only 2000. However after FF the section starting from '01000' upto 2000 bits and then soldering the chip back it seems that the microchip on the motherboard is recovering the bios back to original settings after first boot. Has anyone found a way to crack this extra layer of security Dell have implemented? Seems both HP and Dell have upped bios security to match Lenovo by implementing extra measures on a separate... -
Dell latitude 5580, motherboard cdp 80 la-e151p
3 amber 3 white blinks. Dell website sais it's problem "bios recovery" and suggested solution "recovery image not found"
(from here https://www.dell.com/support/manuals...e7a&lang=en-us)
I try plugging charger while pressing ctrl+esc, machine turns on, nothing and after 20 seconds it gives 3 amber 3 white blinks again.
Since ssd is replaced and had clean install windows, i've...
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