Lenovo ThinkPad 365E-ED ThinkPad 365, SelectaDock I - Hardware Maintenance Man - Page 115

3. If the voltage is less than +9.6 V dc, the battery pack has been discharged. Recharge the battery pack. If the voltage is still less than +9.6 V dc after recharging, replace the battery. Note If the voltage of the battery pack is 0 V, it is not defective. 4. If the voltage is more than +9.6 V dc, measure the resistance between battery terminals 5 and 6. The resistance must be 4 K to 30 K ohm. If the resistance is not correct, replace the battery pack. If the resistance is correct, replace the system board. Checking the Backup Battery 1. Power off the computer and unplug the AC Adapter from the computer. 2. Open the keyboard and remove the battery pack. 3. Lift the right-hand section of the black insulator sheet. 4. Locate the backup battery on the system board, shown at 1 . 1 5. Using a plastic tool, remove the backup battery from the system board. DANGER Do not use a metal tool when removing the backup battery. Use only a plastic tool. ThinkPad 365X, 365XD (2625) 103