Checking the Backup Battery (2625 365X, XD)
Checking the Backup Battery
- Power off the computer and unplug the AC Adapter from the computer.
- Open the keyboard and remove the battery pack.
- Lift the right-hand section of the black insulator sheet.
- Locate the backup battery on the system board, shown at 1.
Do not use a metal tool when removing the backup battery.
Use only a plastic tool.
- Using a plastic tool,
remove the backup battery from the system board.
- Measure the voltage of the backup battery.
Refer to the following table for voltages:
| Wire |
Voltage (Vdc) |
| + |
+2.5 to +3.7 |
| - |
Ground |
- If the voltage is correct, replace the system board.
- If the voltage is not correct, the backup battery has been
discharged. Replace the backup battery.
- If the backup battery discharges quickly after replacement,
replace the system board.
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