hello friend
please i need help in hp 250 g3 laptop the machine is working and have data on the screen but no led , i change the lcd , data cable but its same no led i dont know what is the problim please i need help to dignostic and fix the problem .

thank you
beast regards

You can check in MB, if their have LVDS converter chip, check the measurement of the chip, maybe it get broken.

thank you for your replay
i changed the LVDS converter chip with new one but have another part is broken can you please check the picture what is that and what is the part No can i use sam but V2 W ?

thank you