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HP BIOS unlock tool
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Hi there!
I have a hp elitebook 745 g4 and need the bios password removed can you help me?
Which chip do I need to reprogram U366 or U365?Leave a comment:
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Attached FilesLeave a comment:
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Today I have already unlocked several laptops of this model, but the problem is only with this one. Previously, I left the BIOS file from the ISSI chip, add one from Winbond 256 to the archive. I've already tried everything I can.
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Hello. help me please. I have a HP 850 g5 with a BIOS password. There was also added fingerprint unlocking. I took a dump to unlock it, ran it through the HP Unlock tool, but it didn’t remove the password. Then I tried the same thing through HP Unlocker - also nothing. I tried to do the same with the chip winbond 256 - the message about the possibility of unlocking with a finger disappeared, but the code was never deleted. Help me please. Here I give you a dump.
HP 840 G5
5CG838421QAttached FilesLeave a comment:
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Hello. help me please. I have a HP 850 g5 with a BIOS password. There was also added fingerprint unlocking. I took a dump to unlock it, ran it through the HP Unlock tool, but it didn’t remove the password. Then I tried the same thing through HP Unlocker - also nothing. I tried to do the same with the chip winbond 256 - the message about the possibility of unlocking with a finger disappeared, but the code was never deleted. Help me please. Here I give you a dump.
HP 840 G5
5CG838421QAttached FilesLeave a comment:
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Read the rules before posting.Post in an existing thread (use forum search) ,you MUST post the PC serial number etc -> https://www.badcaps.net/forum/troubl...before-postingLeave a comment:
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can help unlock this HP pro mini 400 G9 Desktop pc , i try with unlocker but my file is 32mbLeave a comment:
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You are not making these solution clearly, I want you to show me which string in the bios file contains the password, and I want to know how to used updated bios file and the dump locked file to compare and remove the password, just want to know how to do it in all laptop models, thanks, am waiting for your response great engineers.
https://www.badcaps.net/forum/troubl...59#post1859659Leave a comment:
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You are not making these solution clearly, I want you to show me which string in the bios file contains the password, and I want to know how to used updated bios file and the dump locked file to compare and remove the password, just want to know how to do it in all laptop models, thanks, am waiting for your response great engineers.Leave a comment:
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First check this site to see if your HP is supported for the great tool Mazzif has made.
http://mazzifsoftware.blogspot.com/p...os-unlock.html
If your model is newer and not in that list, you need to dump your bios, remove password from dump and reprogram bios with modified dump.
For that you need an SPI programmer like CH341A or Raspberry Pi with Flashrom or any other similar programmer. A soic8 clip is also useful so there wouldn't be a need to unsolder bios IC.
When you have your dump, just drag and drop your file on my HPUnlocker tool and it will create a new file. It will add "_unlocked" to the name of your locked file.
Just program the new file on your bios IC.
This unlocker should work on all Elite, EliteBook, ProBook and maybe some other series HP laptops.
For those of you who need to unlock large amounts of laptops, I recommend adding a registry entry:
Code:Computer\HKEY_CLASSES_ROOT\*\shell\HPUnlocker\command
Code:"C:\*location-of-exe*\HPUnlocker.exe" "%1"
If there are any issues, please do let me know so I can improve this tool.
All Elitebooks, Probooks and zbooks which are up to ninth generation which should be up to year 2018, like 840 G5, are supported. Newer models are not supported (yet atleast).
No Pavilions or other trash is supported
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NEW multitool and unlocker added .
Unlocking
HP - ProBook, EliteBook, ZBook (including 32MB models)
Chromebooks from all various manufacturers
Apple - everything older than T2
More to come...
RCUnlocker https://www.badcaps.net/forum/showthread.php?t=98539
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Thank youLeave a comment:
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Hi all,
I answer myself: I had simply chosen the wrong chip; for an EliteBook 840 G1, you must operate on the “Micron N25Q128A” chip.
I was able to unlock the computer with RCunlocker.
ThanksLeave a comment:
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The laptop serial number of my HP EliteBook 840 G1 is "5CG5072KBY"
ThanksLeave a comment:
Related Topics
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by salim5566Hi guys i like to buy tool that automatic unlock bios or find password also can flash and repair bios ic, looking for good tool have good software that have 1 click and unlock bios any recommend good tool? looking for sony ps5 and and laptop bios
Thanks-
Channel: BIOS Requests ONLY!
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by zeniusHello, I have an old Dell G3 3579 (ST: 2WQ7LP2-8FC8) with a newer 8FC8 BIOS password. I have successfully attached to the flash chip (W25Q128JVSQ) on the motherboard with a CH341A programmer and made several modifications using Intel FIT (e.g., allow software SPI write) without bricking. I was also able to boot to a modified GRUB shell where I attempted to edit many BIOS security related options like BIOS Guard/Lock, Flash Signature Override, ME FW Image Re-Flash, etc.
Unfortunately, some of these modifications like to Intel BIOS Guard failed because it is fused into the PCH. Also,...-
Channel: BIOS Requests ONLY!
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by mohamedbalwehello everyone
i need bios dvr DS-7204HQHI
motherboard code 80303-p rev 2.2
The attached file is lock pass...07-14-2025, 06:02 AM -
by Forest79Hello,
I got a Lenovo ThinkStation P520 (Type 30BF) from a friend, asking me for a repair. Windows 11 offered a firmware upgrade as an optional update, and it failed.
The emergency flash procedure from the hardware manual has also failed. So, I asked an acquaintance with better skills to flash the BIOS directly.
However, the chip (a Macronix MX25L25673GMI-08G) has a size of 32 MB, and the BIOS file from the Lenovo website (extracted with UEFITool) has a little more than 16 MB. Thus, the software my acquaintance used (SiberiaProg v1.45, with a CH341A Programmer)...-
Channel: BIOS & Schematic Requests!
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by KesavanHello, Need unlock BIOS password for HP 245 G10 MOBO PART NO: HOKIE22-MV-VGT-6050A3461901-MB-A01
Attached my backup file
SERIAL NO: 5CG4300CNT...-
Channel: BIOS Requests ONLY!
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