The old bios works but I couldn't unlock the password.
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Re: AIO 700-24ISH All-in-One Bios please
You must post the serial number - https://www.badcaps.net/forum/showthread.php?t=103569
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Greetings to all members.
I need help with the repair of the Lenovo IdeaCentre A700-24ISH.
I found this computer in a junkyard, physically in excellent condition, but of course it doesn't work at all.
The power supply is ok, but when i press the power button, nothing happens, not even one LED that doesn't light up.
What I noticed is that the computer was already somewhere in the service because i see that the BIOS chips were all freshly soldered, so their functionality is questionable.
If anyone has a schematic and dump files for this computer I would greatly appreciate it.
What I managed to check is the following;
There are no short circuits on any part of the board, caps, mosfets etc... Voltages that are constantly present: 5v on all USB ports, 3.3v on the power button (when pressed it drops to 0v and that's ok), 3.3v on pin 8 of the two BIOS chips. One with the position U301 MX25L8006E (it is connected to the SuperIO IC IT8783 which also receives 3.3v power on its VCC pins and on pin 85 RSMRST has a constant 2.7V connected to the PCH bridge), one with the position U4701 MX25L6406E (it is connected to the PCH bridge IC that has 1.0V on VCORE.
There is no voltage on CPU or GPU VCORE.
There are two more BIOS chips with the position U5002 WB25X20CL and U3402 MX25L1673E which have no voltage on the VCC pins and I don't know what function they would have since I can't find a schematic anywhere...
I have read all the dump files of those chips that are attached.
I would just like to try to program all those eeproms with the correct files so that I can know if the problem is in the SuperIO or the PHC IC, so if anyone can help I would be very grateful.
MBO - 6050A2740501-A01 IH110ST1-1.0
CPU - Intel i5 6400.
RAM - 8GB DDR4.
LCD - FHD 23,8"
S/N P900Y5NCComment
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AIO 700-24ISH All-in-One (ideacentre) - Type F0BE
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Mọi khoản quyên góp cho badcaps đều được hoan nghênh, hãy nhấp vào liên kết này để quyên góp. Cảm ơn tất cả những người ủng hộ----------------------------------------------------------------------------------------------------------------------------------------------------------------Comment
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Thank you, but unfortunately this dump didn't work either, except that now I have a short pulse of 300mV every three to four seconds on the RAM power supply part as if it is trying to start.Comment
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Mọi khoản quyên góp cho badcaps đều được hoan nghênh, hãy nhấp vào liên kết này để quyên góp. Cảm ơn tất cả những người ủng hộ----------------------------------------------------------------------------------------------------------------------------------------------------------------Comment
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I did, but since I can't find the schematic anywhere, it's not worth investing more time. Thanks anyway.🍻Comment
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Hello, I've been struggling with this for a few days now and I can't. The bios battery died and it password showed up when I turned on my aio. I tried to read the password myself but it didn't help. Can someone help me?
SN: p9016gsp
the bios from this post works but it shows me that there are no serial numbersComment
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okComment
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tryComment
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stil asking for passwordComment
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Hello, 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,... -
Hi 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
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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... -
Hi sirs. please help
Dell Inspiron 5775 bios locked "Unlock Setup fail"
After generating the Password Recovery code, I go to the “Security” tab - “Locked Settings” - it says “Unlock Settings? I tried many wrong passwords and it shows an error to unlock settings [ Press any key ].
What I did:
I read the bios dump.
Downloaded the bios update to 1.6.0 from the official Dell website, extracted the dump from it, updated the bios, but the problem persisted. Please help me to solve the problem.... -
Hello everyone,
The situation is as follows:
I set a supervisor password for my bios and forgot it because my laptop boots directly into Windows. So apparently there is no need to remember the password, my brain thought, so here I am
System Specs:- Operating System: Windows 11 Pro 64-bit (10.0, Build 26100) (26100.ge_release.240331-1435) (Updated from original Windows 11 Home to 11 Pro using a key)
- System Manufacturer: ASUSTeK COMPUTER INC.
- System Model: VivoBook_ASUSLaptop X513EA_K513EA
- BIOS: X513EA.310 (Type: UEFI)
- Processor: 11th generation Intel(R)
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