File Request lenovo l390 3 blink power button

[nassih]

MotherBoard Model

lkl-2 mb 18724-1 448 0fc03

Laptop Model

lenovo l390

hello everyone! I have this laptop that won't turn on, when I plug in the charger I just see the power button LED flashing 3 times, the history of this laptop it had the bios password, I removed the bios chip to get the dump but my programmer stopped working, I put the bios chip back and I got this error, if possible a dump for this motherboard model : lkl-2 mb 18724-1 448 0fc03,its my first thread in this forum tanks

 

[Vahab Hemmati]

Hi

Bios - Lenovo ThinkPad L390 LKL-2 18724-1M Bios

Lenovo ThinkPad L390 LKL-2=32=18724-1M Bios

dr-bios.com

 

[nassih]

hi tanks hemmati i will try it and tell you after

 

[Vahab Hemmati]

good luck

 

[nassih]

same issue power led flashing 3 time then off ,no power,5v and 3.3v present

 

[nassih]

i need schematic please

 

[nassih]

sorry you put a bin of 32M i need 16M

 

[nassih]

this is my bios dump withe password i need clean m region lpz

 

[Ali Shaikh]

TRY IT
Instructions for use"

Remove all battery and CMOS battery

press F1 to enter setup: password 1234
wait 20sec or more.
Enter any ID to hardware Id.
Press 2x space bar when asked.
Turn off the computer.
and restore your original bios .

Enjoy.

If 2x 5beep, it's normal.
I didn't do checksum but it must light up anyway.
Wait minimum 30sec before screen logo light on. Must turn on/off several times by itself.

 

[nassih]

ok tanks i will try and come back

 

[nassih]

i have black screen no display fan spin and FNlock on,
tanks

 

[nassih]

nobody her

 

[Ali Shaikh]

I need your bios backup to unlock laptop