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Trying to fix a BIOS corruption issue on a Lenovo Legion Pro 7 16IRX8. The motherboard model number is 5B21L45527. First of all, can folks confirm which chips need to be dumped? Images of the top and bottom of the board are attached.
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Lenovo Legion 7 Pro 16IRX8.
MTM: 82WR0000US
S/N: PF48QSDX
1st BIOS chip: XMC 25RH64CHIO (used XM25RH64C in Neoprogrammer), second chip XMC 25QH128IO (detected as XM25QH128C in Neoprogrammer)
Chips have been dumped with CH341a (w/ 3v mod) using Neoprogrammer with chips soldered directly to CH341a. A test clip was not used. But I believe the person who looked at it initially did try to program it using a test clip so it's quite possible the chips could already corrupted.
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Thanks! I tried flashing these. System posts on but does not post. Fans run, keyboard backlight comes on, screen stays dark, no response from keyboard. After around 3 minutes there's a loud beep and it turns off, then it powers back on in around 10 seconds and this process repeats. Tried letting it sit 20+ min in case it was still going through BIOS reset process but no change. Thoughts?Comment
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Any donations to badcaps are welcome, click this link to donate . Thanks to all the supporters
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Seems like it may be encountering a problem during memory training? I've obtained a copy of the original bios dumps that were made by the owner who was using a test clip to read the chips. There does appear to be corruption in the me region on these dumps.Comment
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Hi Everyone,
I'm facing a problem with a locked bios with a password and i can't find how to remove it...
The small computer is only booting on a M2 ssd Windows partition and i get a "signed partition error" if i try to boot on the same SSD with another Os (linux for example).
the Computer is a Unowhy small pc
N° UYM6524702229
After failling trying to boot on other "none Windows" partition, i wanted to try to remove the bios password.
My first attempt was to get the bios dump from windows... -
Hi all,
This is my first post here (I am very new to forums!) and I hope someone can help. I am looking for a full dump of the BIOS of a HP Proliant Microserver Gen 8 so that I can get this mini server running again. (BIOS version J06 2019-04-04, chip 25Q064A). I think my board was partially bricked after a failed BIOS update.
I got it second hand in this state and all the normal attempts at bios restoration have not worked. I have even desoldered the chip and tried to load the actual BIOS from HP, but it is missing some parts needed to boot the system.
I... -
Hello,
I'm using TONGFANG "GM7TG7P" model laptop for over 3 years and i'm entering the same bios administrator password everyday. My laptop has Aptio BIOS (American Megatrends, AMI).
But today it's not accepting my password. I'm %100 sure i'm entering the correct password.
I'm trying to reset my bios without success.
I tried :
-I removed the BIOS battery and main battery. Waited for a long time but it didn't work. They already stated in the user manual that the password will not be reset even if the batteries... -
Hello everyone, I come here to tell you my problem regarding the power-on password. It is not a bios reset demand, and i can't have any access to windows. This is the bios and power-on password that is blocking all other things.
My Omen 15-dh0052nf purchased second-hand was configured with the bios password upon purchase (very simple password :P ).
Having decided to sell it in order to get something more powerful, I reset all BIOS settings and set a blank administrator password. But the power-on password cannot be changed to a blank one so I let the actual password set.... -
Hello
I removed the BIOS password thanks to the help of one of the friends of this forum.
https://www.badcaps.net/forum/troubl...61#post3637661
The batch from which the password was removed works correctly but... after some time, the BIOS password is set again, I reprogrammed the batch with the removed password, it's ok, there is no password, I set my password, ok, I can enter the BIOS with my password but...
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