Dell OptiPlex AIO 3030 Desktop Schematic
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Dell OptiPlex 390 Desktop Schematic & Board View
MIH61R (Dell OptiPlex 390)...10-05-2024, 01:54 PM -
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 guys,
This is my first post! 🚀
I have no idea what I’m doing, but I’m learning by trial and error.
I’m currently working on a Dell Optiplex AIO 7490—one of a bunch of AIOs that mysteriously failed to POST just a few days after the warranty expired. The original issue was that the PC worked fine until it was rebooted, after which it got stuck on a black screen (no backlight), with fans spinning at normal speed and a solid white power LED. Forcing it off by holding the power button would just cause it to switch on automatically and get stuck again on...07-04-2025, 12:54 PM -
Hi, looking for this Schematic/Boardview. Only found the MT one but need the 9020 SFF.
Thanks in advance!
Btw: seen in repairlap.04-25-2024, 09:27 AM -
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