My question pertains to understanding the control circuity inside a Dell PT434 type battery used in Dell E6400, E6410 and other Dell notebooks?

Does anyone have a circuit diagram for the inside of a Dell PT434 battery and/or a description of how the control lines work to control this battery?

My reason for asking is I have a battery which I cannot get to charge beyond 1% in a Dell E6410 or E6400.
The LED bar graph charge indicator on the battery shows one LED lighted when the info button is pressed.
I have tried multiple different Dell power adapters. My Dell...

Hi, I need Dell percision T5500 bios dump
I tried extracting the ones from dell's website
but they are not the same size as the one saved feom the bios chip.

or if their is a way to make the one from dell's website work when programed to bios chip.

Thank you in advance for your help.

I need to get a bin/rom file from a Dell bios to modify, I have run into a PFS extractor in this forum. When i run the path it just says "Working... Done!" but no file is created.
I need to open it in UEFITool and exe or rcv file is not supported.

Model: Dell Optiplex 3090 SFF
Service Tag: DQKR0N3
Motherboard Model: Q470

Here is the link of the uefi/bios:​

https://www.dell.com/support/home/en...iplex-3090-sff

After a bios downgrade, the keyboard's RGB stopped working, now in the device manager the STM32 Bootloader device appears, I discovered that it is the rgb microcontroller, I believe that (STM32 bootloader) is because it does not identify the bios file (UEL2)

Does anyone have the BIOS dump (UEL 2) of the Dell G15? It is responsible for the RGB keyboard.

...

PLEASE I NEED MEC1418-NU BIOS DUMP FOR DELL Dell G3 15 3590
MAINBOARD :SELEK N18E_MB 18812-1
SERVICE TAG :9737N72
MEC1418-NU WAS CHORTED I CHANGE IT
THE MAINBOARD HAS TWO CHIP
MXIC MX 25L12872F AND 25Q80CSIG
THIS THE DUMP OF MXIC 25L12872F
25Q80CSIG IS EMPTY
I APRECIATE ANY HELP...