dell inspiron 14" 3421

[Luna azul]

My laptop does not turn on, they could guide me where I could begin to diagnose and rule out faults

[lapfix]

Re: dell inspiron 14" 3421

Start by searching his schemarics..take a look at the motherboard for corusion or any strange thing...take measurements with diode mode at all coils..take some voltages before and after swishing...than post all your result here

[Luna azul]

Re: dell inspiron 14" 3421

Here I send some photos of the plate

[Nurshad]

Re: dell inspiron 14" 3421

dell 3421 8beep problem

[mcplslg123]

Re: dell inspiron 14" 3421

dell 3421 8beep problem

have you connected the screen while turning on??