80 Chapter 41. Power off the system.2. Remove the battery pack and measure the voltage between terminals one (+) and seven (-). There areseven terminals totally. See the illustration below.3. If the voltage is still less than 7.5V after recharging, replace the battery.If the battery status indicator does not light up, remove the battery pack. After the battery packreturns to room temperature, reinstall it to the system.If the charge indicator does not light up, replace the battery pack. If the charge indicator still doesnot light up, replace the AC/DC charger board.Touchpad CheckIf the touchpad does not work, follow the procedures one at a time to correct the problem. Do notreplace a non-defective FRU.1. Reconnect the touchpad cables.2. Replace the touchpad.3. Replace the system board.After you use the touchpad, the pointer drifts on the screen for a short time. This self-acting pointermovement will occur when a slight, steady pressure is applied to the touchpad pointer. Thissymptom is not a hardware problem.
