He returned from after-sales service at the end of June, see the blue curve ... (the motherboard had burnt down, standard change but a priori with a problem when reassembling ...).
This morning I open it and there was actually the connector to the screen which was not very well put. I'm going to do a subject on disassembly because it's a laptop and you have to know the method to open it ... it could be useful for others ...
ps: it is in "Config panel", "maintenance center" (not visible by default, must display the icons), expand "maintenance" and "display the reliability history" ...
