Dell Latitude 5400 Bios password

**hooray4rob** · 04-27-2023, 05:22 PM

Re: Dell Latitude 5400 Bios password

ugh. what kind of clip can i use to connect to it?

**Vesko356** · 04-27-2023, 05:41 PM

Re: Dell Latitude 5400 Bios password

Originally posted by hooray4rob

ugh. what kind of clip can i use to connect to it?

https://www.badcaps.net/forum/showth...19#post1232219

Originally posted by Vesko356

...hot air station, or WSON8 pogo pin adapter, or solder wires from the programmers adapter board to the chip legs, or wires soldered to surrounding parts connected to the traces.

Originally posted by SMDFlea

...
One way to program a WSON8 chip without desoldering is to use a WSON pogo adpter, and they are not very reliable.

https://www.aliexpress.com/item/1005001830846980.html Please note that if you decide to buy one of these you must get one thats the correct size for the chip. The two most common sizes are 8x6mm and 6x5mm ,measure the size of the chip with a ruler or vernier calipers.
...

I recommend hot air station to unsolder the chip, then WSON8 do DIP8 adapter:
https://www.badcaps.net/forum/showpo...&postcount=225

.

**a123z5** · 04-30-2023, 02:08 PM

Re: Dell Latitude 5400 Bios password

hello, my laptop also asks for bios password i need help for:

laptop / DELL LATITUDE 5400 /
motherboard / EDC41 LA-G891P REV:1.0(A00) /
cpu / INTEL 8TH GEN /

service tag / H630M33-8FC8

Originally posted by Moh.Jr.Boudali

hello , sorry for the delay to responce, i flashed the spi rom and it work, thank you to give me your time for help. @harware1

Can you help me with my pc am from algeria

**aydin_abbas** · 05-01-2023, 06:09 AM

Re: Dell Latitude 5400 Bios password

Hello. Could anyone please reset admin password and clean me this bios?

Model: Latitude 5400 LA-G891P rev 1.0

Attached Files

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old5400.zip (10.52 MB, 21 views)

**skavioce** · 05-01-2023, 10:27 AM

Re: Dell Latitude 5400 Bios password

Originally posted by aydin_abbas

hello. Could anyone please reset admin password and clean me this bios?

Model: Latitude 5400 la-g891p rev 1.0

try

Attached Files

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UNLOCKED.rar (10.07 MB, 55 views)

**biosedit** · 05-02-2023, 01:00 AM

Re: Dell Latitude 5400 Bios password

please clear this file late display

any one please clear password

Attached Files

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**mediadoctor** · 05-05-2023, 06:29 AM

Re: Dell Latitude 5400 Bios password

Hello. Could anyone please reset admin password and clean me this bios?

Model: Latitude 5400 LA-G891P rev 1.0

Attached Files

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5400dump.zip (7.14 MB, 20 views)

**lapfix** · 05-05-2023, 06:35 AM

Re: Dell Latitude 5400 Bios password

Originally posted by mediadoctor

Hello. Could anyone please reset admin password and clean me this bios?

Model: Latitude 5400 LA-G891P rev 1.0

What's your suffix ! if 8FC8 I
So you must find the second chip.

**mediadoctor** · 05-05-2023, 06:54 AM

Re: Dell Latitude 5400 Bios password

Originally posted by lapfix

What's your suffix ! if 8FC8 I
So you must find the second chip.

Yes, i have second chip:

Attached Files

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dump64.zip (2.25 MB, 20 views)

**lapfix** · 05-05-2023, 07:00 AM

Re: Dell Latitude 5400 Bios password

Originally posted by mediadoctor

Yes, i have second chip:

1st boot, press F2, write service tag, disable Absolute, save, restart. 2nd boot press Alt+F to exit manufacturing mode.

Attached Files

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d64_4 unlocked.rar (2.20 MB, 37 views)

**mediadoctor** · 05-05-2023, 07:35 AM

Re: Dell Latitude 5400 Bios password

Originally posted by lapfix

1st boot, press F2, write service tag, disable Absolute, save, restart. 2nd boot press Alt+F to exit manufacturing mode.

Black screen permanent

**lapfix** · 05-05-2023, 07:46 AM

Re: Dell Latitude 5400 Bios password

Originally posted by mediadoctor

Black screen permanent

Try and give feedback

Attached Files

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outimage.rar (8.89 MB, 118 views)

**mediadoctor** · 05-05-2023, 08:38 AM

Re: Dell Latitude 5400 Bios password

Originally posted by lapfix

Try and give feedback

now work

I need ********

**Vesko356** · 05-05-2023, 08:51 AM

Re: Dell Latitude 5400 Bios password

Originally posted by mediadoctor

now work

I need ********

Please read the rules.
Requesting or shearing personal details or contact information is against the rules.

You can donate in support of the "Bios request" section of the forum if you want:
https://www.badcaps.net/index.php?pageid=donate1

Please see this sticky thread:
https://www.badcaps.net/forum/showthread.php?t=116453

.

**hooray4rob** · 05-05-2023, 02:05 PM

Re: Dell Latitude 5400 Bios password

I finally got the right connector. Can you remove the password from this now?

Originally posted by Vesko356

https://www.badcaps.net/forum/showth...19#post1232219

I recommend hot air station to unsolder the chip, then WSON8 do DIP8 adapter:
https://www.badcaps.net/forum/showpo...&postcount=225

.

Attached Files

if you find these attachements useful please consider making a small donation to the site

5400-2.zip (12.15 MB, 20 views)

**Vesko356** · 05-05-2023, 02:27 PM

Re: Dell Latitude 5400 Bios password

Originally posted by hooray4rob

I finally got the right connector. Can you remove the password from this now?

Sure, here you are:

Attached Files

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5400-2 NEW.zip (12.09 MB, 22 views)

**XOHAIB00** · 05-08-2023, 06:44 AM

Re: Dell Latitude 5400 Bios password

Can anyone help me remove BIOS password from my Dell Latitude 5400.
service tag is DG3HM33-8FC8

**Vesko356** · 05-08-2023, 07:06 AM

Re: Dell Latitude 5400 Bios password

Originally posted by XOHAIB00

Can anyone help me remove BIOS password from my Dell Latitude 5400.
service tag is DG3HM33-8FC8

Read the rules before posting:
RULES UPDATE for BIOS requests/offers *AVOID BANNING, READ BEFORE POSTING*

BIOS guides, methods, resources and tools
Password removal by laptop brand

Also read the thread from the beginning, see my post #140 for example...

.

**akcworld.2009@gmail.com** · 05-08-2023, 09:00 AM

Re: BIOS LATITUDE 5400 EDC41 LA-G892P REV 1.0 v1.7.4

Originally posted by aldopc

Bios Ok

check and reply

Attached Files

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LATITUDE 5400 EDC41 LA-G892P REV 1.0 v1.7.4 _unlocked.rar (11.34 MB, 33 views)

**Akintunde** · 05-20-2023, 11:50 AM

Re: Dell Latitude 5400 Bios password

Good day everyone , please can someone help me to unlock this Dell latitude 5400. It has bios password
Serial Number - JS56YY2

Attached Files

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password latitude 5400.rar (11.09 MB, 20 views)

Dell Latitude 5400 Bios password

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