Unlock Bios Password Dell inspiron 3521 bios password reset

[mercy]

Please could you help me to unlock bios password of Dell inspiron 3521
i try to change both main bios and EC bios but the password still appear.

 

[Vahab Hemmati]

How to Remove Dell Laptop Bios Password | BIOS, Schematic & Board Repair Resource

Explore BIOS files, schematics, boardview files and technician repair resources for How to Remove Dell Laptop Bios Password.

dr-bios.com

 

[mercy]

How to Remove Dell Laptop Bios Password | BIOS, Schematic & Board Repair Resource

Explore BIOS files, schematics, boardview files and technician repair resources for How to Remove Dell Laptop Bios Password.

dr-bios.com

How to Remove Dell Laptop Bios Password | BIOS, Schematic & Board Repair Resource

Explore BIOS files, schematics, boardview files and technician repair resources for How to Remove Dell Laptop Bios Password.

dr-bios.com

Thank you Vahab Hemmati, system disable code [8428339B62105392] and service Tag [F05BQX1] .

​

 

[Vahab Hemmati]

Thank you Vahab Hemmati, system disable code [8428339B62105392] and service Tag [F05BQX1] .

​

send a pic from that

 

[mercy]

send a pic from that

 

[Vahab Hemmati]

unfortunately the password for this service tag can't be generated


need to program io carefully to remove password

 

[mercy]

unfortunately the password for this service tag can't be generated


need to program io carefully to remove password

thank you and appreciate , but i don't have SVOD programer. i do have TL866II program where can i install it on main bios or EC bios ?

 

[Vahab Hemmati]

thank you and appreciate , but i don't have SVOD programer. i do have TL866II program where can i install it on main bios or EC bios ?

unfortunately i don't know about TL866II programmer
we use SVOD and Vertyanov programmers

 

[mercy]

unfortunately i don't know about TL866II programmer
we use SVOD and Vertyanov programmers

Ok , its picture is

 

[Salimeh Bolboli]

Please ask your programmer support.

 

[mercy]

Please ask your programmer support.

 

[mercy]

Please ask your programmer support.

Thank you, but they informed me to identify GND,CS,CLK,MOSI and MISO pins from the keyboard jack to program the IO. could you send me the schematic diagram for dell inspiron 3521 (VAW00 la-9104p ver: 1.0 - a000)

 

[Salimeh Bolboli]

Here you are:

Schematic - dell inspiron 15 3521 compal la-9104p rev1.0 schematic | Boardview File for Motherboard Repair

Download boardview file for dell inspiron 15 3521 compal la-9104p rev1.0 schematic. Useful for motherboard repair, diagnostics and component-level troubleshooting.

dr-bios.com

 

[mercy]

Here you are:

Schematic - dell inspiron 15 3521 compal la-9104p rev1.0 schematic | Boardview File for Motherboard Repair

Download boardview file for dell inspiron 15 3521 compal la-9104p rev1.0 schematic. Useful for motherboard repair, diagnostics and component-level troubleshooting.

dr-bios.com

Thanks

 

[Salimeh Bolboli]

You're welcome!