Aporte original por: lulujaimearredondo

Título:

Why USB ports are not working

Texto:

the USB is not working I tried all the Dell diagnostic and it is failed.

I tried to rest and still not working.

BIOS is good.

I need to get it repaired but dont know which chip is responsible as both usb ports are not working

Dispositivo:

Dell Inspiron 15-3521

Estatus:

open