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need help on my Latitude 5420 admin locked
F4F76M3-8F8
ST: F4F76M3Comment
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Due to a lack of donations, server free space at a critical level, and possible closure of Bios Requests all donations are welcome, click:
>>>>> https://www.badcaps.net/index.php?pageid=donate1 <<<<<
Every donation made will go towards server fees and maintenance costs.Comment
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Hi there. Problem with corrupted bios image
Dell latitude 5420
Motherboard GDF40 LA-K491P
Rev. 2.0 (A01)
PWB:2FM7C
CPU is intel core i5 11th gen
Service tag 5H476J3
Express service code 1191889191
Trying to boot up, but nothing. Several times flashing power on button and keyboard for few seconds, and turning off. After a few loops, entering in service mode (asume)-display is all white, red, green, blue and turning off.
Redaing bios chip winbond 25R256JVEN - 32 mb, but all is FF.
Any help, idea, sugestion, maybe bios file....? Thanks in advance.
SOLVED !!! Solution was in bios image form other lap of same model.Comment
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post the contents of the bios chip even if it is corrupted..
The bios chip must be unsoldered from the board before writing or reading..
do not use the clip, you may have errors..if you do not have anything to unsolder it with,
solder wires between the programmer and the bios chip..Due to a lack of donations, server free space at a critical level, and possible closure of Bios Requests all donations are welcome, click:
>>>>> https://www.badcaps.net/index.php?pageid=donate1 <<<<<
Every donation made will go towards server fees and maintenance costs.Comment
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Comment
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Programmer is xgecu T48, software is newest, model of chip is on list of supported. In past, about 20 pcs of same model laptop i was unlocked, with python unlocker for 8FC8, and then i was used POGO clip, withou any problem. This lap was came to me yesterday in this condition as described, and my knowledge did not make me able to solve this. Can i use form other specimen od the absolutely same model?Comment
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PROBLEM SOLVED !!!! took bios image from other lap same model, unlocked, programmed, and is working ! Thanks for effort SMDFlea !!!Comment
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plizz anyone cant help me fix this bios ,,case do not turn on
dell latitude 5420
motherboard gdf40 la-k491p rev 2.0 (a01)
Service tag: 3R0KQN3
TANKYU...Comment
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here sirComment
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Please bios for LA-K491p Rev. 2.0 A01 2021-04-28
ST 1JKMPN3
Core i5 11th Gen
I tried several bios of the thread but nothing is working for me, power led turns on for 15 seconds, lights on keyboard, and turn off, a cycle.
Attached bios backup but I don´t know if it is the original, laptop comes frome another technician.
Comment
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Hi i got 5420 LAPTOP WITH BIOS PASSWORD
WHEN I TRIED TO READ THE BIOS I THINK ITS CROUPTED
I TRIED TO REWHITE BUT NOW DISPLAY IS ALSO NOT COMIN
PLZ HELP ME TO BUILD A NEW BIOS WITHOT PASSWOWD
DELL 5420
PART NO LA-K491P REV 2 2020-11-16
SERVICE TAG 8HW38C3
I7 11TH GENComment
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CAN YOU FIX THIS BIOS PLZ
THIS ONE IS WORKING BUT STUCK ON DELL LOGO
DELL 5420
PART NO LA-K491P REV 2 2020-11-16
SERVICE TAG 8HW38C3
I7 11TH GENComment
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Hi, can you help me please?
I have a BIOS password.
DELL LATITUDE 5420 GDF40 LA-K491P REV 3.0 A02
ST GV711F3Comment
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Hi
i have dell latitude E7270 with following symptoms:
- takes long time to restart.
- sometimes powers on and then off
- sometimes while working it just dies,
From googling online bios clean could possible resolve this?
i was able to save bios and was going to try bios clean myself but get an below error when i drop it in ME analyzer.(unsure whether this sometimes occurs or could be due to bad/corrupt bios)
As ME analyzer gave me an error i just decided to write bios with a cleaned bios from E7270 bios post.
I reinstall... -
Dell latitude 5580, motherboard cdp 80 la-e151p
3 amber 3 white blinks. Dell website sais it's problem "bios recovery" and suggested solution "recovery image not found"
(from here https://www.dell.com/support/manuals...e7a&lang=en-us)
I try plugging charger while pressing ctrl+esc, machine turns on, nothing and after 20 seconds it gives 3 amber 3 white blinks again.
Since ssd is replaced and had clean install windows, i've... -
This specification for the DELL Latitude 5420 Notebook can be useful for upgrading or repairing a laptop that is not working. As a community we are working through our specifications to add valuable data like the 5420 boardview and 5420 schematic. Our users have donated over 1 million documents which are being added to the site. This page will be updated soon with additional information. Alternatively you can request additional help from our users directly on the relevant badcaps forum. Please note that we offer no warranties that any specification, datasheet, or download for DELL Latitude 5420...09-07-2024, 06:31 AM
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This specification for the DELL Latitude 5420 Notebook can be useful for upgrading or repairing a laptop that is not working. As a community we are working through our specifications to add valuable data like the 5420 boardview and 5420 schematic. Our users have donated over 1 million documents which are being added to the site. This page will be updated soon with additional information. Alternatively you can request additional help from our users directly on the relevant badcaps forum. Please note that we offer no warranties that any specification, datasheet, or download for DELL Latitude 5420...09-07-2024, 03:40 AM
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This specification for the DELL Latitude 5420 Notebook can be useful for upgrading or repairing a laptop that is not working. As a community we are working through our specifications to add valuable data like the 5420 boardview and 5420 schematic. Our users have donated over 1 million documents which are being added to the site. This page will be updated soon with additional information. Alternatively you can request additional help from our users directly on the relevant badcaps forum. Please note that we offer no warranties that any specification, datasheet, or download for DELL Latitude 5420...09-07-2024, 03:40 AM
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