hi all im really have a hard time with my laptop first off the network port light stay on as soon as i turn the laptop on even if theres no network cable connected to it and even if the laptop is off an i plug ac charger it turn on.second the laptop wont boot on battery after a lot off pressing the power button it may start but just the power light turn on but dont boot up.when i plug charger it turn on and auto restart and stay on blank screen and dont boot up.ive change a the ram with a working one but still does the same please help.
