Acer Aspire 7540 Service Guide
Page 96
... you determine the next possible FRU to be replaced when servicing a computer. If the charge indicator still does not light up , replace the DC/DC charger board. Reconnect the touchpad cables. 2. After you identify first the problem is not listed, see "Undetermined Problems" on the screen and the error symptoms classified...
... you determine the next possible FRU to be replaced when servicing a computer. If the charge indicator still does not light up , replace the DC/DC charger board. Reconnect the touchpad cables. 2. After you identify first the problem is not listed, see "Undetermined Problems" on the screen and the error symptoms classified...