BIOS IdeaPad 3-17ADA05 GS450/GS550&GS750 NM-C821 Rev 1.0
cianyika
Registered member
i try 3 diferent bios is the same and check hardware? semms to be all ok power voltage 1.8 , 0.9 , 1.3 , 1.1 ,1.2 , 2.4 memory voltaje same ok gpu ok what can i check more?
cianyika
Registered member
the fan and the powerlines are ok 10 seconds then is off then on again but no display image never
no display have many problem
I think you need check chipset when all bios same problem.
cianyika
Registered member
schematic for this model GS450&GS550&GS750 NM-C821
BIOS - IdeaPad 3-17ADA05 GS450/GS550&GS750 NM-C821 Rev 1.0
IdeaPad 3-17ADA05 GS450/GS550&GS750 NM-C821 Rev 1.0 BIOS boardview IdeaPad 3-17ADA05 - NM-C821 REV0.2 BoardView.tvw Lenovo IdeaPad 3-15ADA05 LCFC NM-C821 GS450 GS550&GS750.pdf Schematics LCFC NS-C821 IO r1.0.pdf
vinafix.com
rickjansen01
Customer
Hello
Can you help me to program the serial number in this model or to locate it
regards chris
rickjansen01
Customer
I know how it works I only want to know if you can help before I buy
you need send BIOS Original have S/M need keep and file BIOS new you want add S/N
rickjansen01
Customer
I don't have the original file I have the file from you But I will get the upgrade and send you your file and the info ok
here the file
and the info
ideapad 3 17ADA05
model 81W2
sn PF2KN1HT
mtm81W20070MB
Last edited:
rickjansen01
Customer
Hello
It is still the same no serial number in the file
do you have the software to program the serial for this model 2020
rickjansen01
Customer
yes, you can try tool this
Rewrite the SN / UUID after programming MEC for Lenovo
Rewrite the SN / UUID after programming MEC for Lenovo EC MEC1633, MEC1632, MEC1609, MEC16, MEC50 note: Many users ask how to crack the superuser password. This chip is 192KB of Flash plus 2KB of EEPROM (stores the SVP superuser password and UUID). Through the JTAG interface, the flash can be...
vinafix.com
rickjansen01
Customer
helloyes, you can try tool this
Rewrite the SN / UUID after programming MEC for Lenovo
Rewrite the SN / UUID after programming MEC for Lenovo EC MEC1633, MEC1632, MEC1609, MEC16, MEC50 note: Many users ask how to crack the superuser password. This chip is 192KB of Flash plus 2KB of EEPROM (stores the SVP superuser password and UUID). Through the JTAG interface, the flash can be...
this will not work i also have the uefi version but it say eeprom fail.
and this machine have the it8227E chip and not the mec
rickjansen01
Customer
Helloyes, you can try tool this
Rewrite the SN / UUID after programming MEC for Lenovo
Rewrite the SN / UUID after programming MEC for Lenovo EC MEC1633, MEC1632, MEC1609, MEC16, MEC50 note: Many users ask how to crack the superuser password. This chip is 192KB of Flash plus 2KB of EEPROM (stores the SVP superuser password and UUID). Through the JTAG interface, the flash can be...
Do you have a solution for me
rickjansen01
Customer
helloyes, you can try tool this
Rewrite the SN / UUID after programming MEC for Lenovo
Rewrite the SN / UUID after programming MEC for Lenovo EC MEC1633, MEC1632, MEC1609, MEC16, MEC50 note: Many users ask how to crack the superuser password. This chip is 192KB of Flash plus 2KB of EEPROM (stores the SVP superuser password and UUID). Through the JTAG interface, the flash can be...
Do you know how to put this bios in program mode
I get the error eeprom read write protected
Regards chris
meuva umar
Registered member
lenovo idea pad 3 15ADA05
la-c821
bios password
pls remove bios password
la-c821
bios password
pls remove bios password
Last edited:
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