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Hi there i have a Dell PC14250, suffix 8fc8, and bios locked, I've tried tools such as the 8fc8 patcher and flashing someone's blank bios to no avail.
Any chance someone can help?
ST: 4HVQNC4
attached is .bin backup of both u2501 + u2502 winbond flash chips
Thank you!Comment
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Who still needs bios lock removal for dell pro pc14250 dual and single biosComment
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Hi, Both users who posted above, I guess... I tried to help, and I know what I patched isn't the PW
(more like built-in BIOS account descriptors, but nothing to lose anyway)
> https://www.badcaps.net/forum/troubl...07#post3884707
> https://www.badcaps.net/forum/troubl...54#post3891354Comment
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I need help removing the password on a Dell Pro 14 PC14250
service tag: DP2VWC4 8FC8
243052-1Comment
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I need help removing the password on a Dell Pro 14 PC14250
service tag: 29MX4D4
243052-1Comment
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Try at your own risk and give feedback if working or not - https://www.badcaps.net/forum/troubl...nlock-all-dell
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It didn't work; the method was strange.Comment
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Pls remove admin pass
sn: G75SGB4
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Dell pro 14
service tag is G3CWGK4-1B58
bios admin locked, please helpComment
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Hi, The 1B58 algorithm isn't released yet
You could Post your BIOS backups to see if someone can help you
Or try the method in comment #'72.1 > https://www.badcaps.net/forum/troubl...25#post3897825Comment
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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... -
Hello everyone,
I'm working on a Dell PowerEdge T110 server that stopped working after a stress test. I need help recovering the VPD EEPROM (AT24C02).
β HISTORY β
I bought this server at a charity bazaar (Pequeno CotolΓͺngo, Brazil). I cleaned it up, installed Windows 10 LTSC, and tested it all day β heavy file transfers to 3 HDDs, driver installations, and finally added an external audio card to watch YouTube. At that point the machine shut down suddenly and never came back.
β SYMPTOMS β
β’ Power supply would not arm (no PS_ON signal)...04-25-2026, 04:28 PM -
I have a Dell XPS-15 (9520) with the LA-L402P motherboard. It seems to have bricked itself after a common BIOS-Firmware upgrade. Now, it just shows BIOS screen for a few seconds before turning-itself back Off (and doesn't seem to be fully Posting). I've done these many times before with no problems.
I was hoping to please have my own-thread to work-through this (hopefully successful) repair as a whole. Apart from the possible need to have a BIOS-dump fixed-up, I have a feeling I'm going to have other questions. This includes using my new XGecu-T76 for the first time (should be here... -
Dell Inspiron 15 3576(17841-1 VEGAS)
Dell Vostro 3478 (17841-1 VEGAS)
Boardview & Schematic...06-30-2026, 02:12 PM -
I would like to share my experience about charging issues with Dell power supplies with the tech community. I am working on a Dell Inspiron 5590, Mainboard 18778-1 with charging problems. The device can be switched on and works so far, only the message appears at startup:
Alert! The AC power adapter wattage and Type cannot be determined. The battery may not change. The System will adjust the performace to match the power available.
The power supply unit is not recognized in the Bios and the charging process is set to "idle". I use original Dell battery, type...
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