Lenovo Legion 15Ith6 no image

[marcelofct]

I have this Lenovo Legion that only gives an image on the external screen
I have tried several screens, flex cables, and nothing is detected in any way. I leave the following image so you can see the voltages and please help me.
It is a lenovo Legion 15Ith6
S/N: pf4f91at
I appreciate it

[mon2]

check each of the mux lines. No cap should be damaged or missing.

[quadri234]

Check pin 27 and 26 for 3.3v

[marcelofct]

I checked those lines and I have the following voltages that I leave in the image
Now I will check the IC in charge of sending them, can I check anything else?

[mon2]

Ok but also confirm the capacitors that follow the same mux lines. If any of the caps are missing or damaged, the display will not function.

[marcelofct]

Ok but also confirm the capacitors that follow the same mux lines. If any of the caps are missing or damaged, the display will not function.

I did it, they all measure voltage drop 0.7v on one side and 0.3v on the other in the caps that are in the screen connector

[mcplslg123]

What about BKOFF# and INVT_PWM?