lenovo G450 no back light on led screen.

[rickybucalan]

Re: lenovo G450 no back light on led screen.

i got it guys... putting wire from pin 21 of u46 to pin 11 of JLVDS1 and got 3.3v to power light the led screen.

thanks guys for all your help. god bless all.......

[rickybucalan]

Re: lenovo G450 no back light on led screen.

i got it and it works.... i put a wire on pin 21 of u46 to pin 11 of JLVDS to have a 3.3v to power up the led screen. thanks to all of you guys

[rickybucalan]

Re: lenovo G450 no back light on led screen.

hey guys its me again. i got same laptop here but this time it just a white screen
i got no voltage on pin 2,4, and 6. that it should have 3.3v.
here is my voltage reading.

pin pin
1. 20v 2. 0v
3. 20v 4. 0v
5. 0v 6. 0v
7. 3.3v 8. 0v
9. 0v 10. 3.3v
11. 3.3v 12. 0v
13. 3.1v 14. 0v
15. 0v 16. 0.9v
17. 0v 18. 1.2v
19. 0v 20. 1.8v
21. 0v 22. 0v
23. 0v 24. 1.7v
25. 0v 26. 0v
27. 3.3v 28. 1.7v
29. 3.3v 30. 0.5v

[new]

Re: lenovo G450 no back light on led screen.

scrab it