Latitude 9510 Service Manual

Enter service mode

Service Mode allows you to immediately cut the power from the system without disconnecting the battery cable or removing the battery from the system.

1. Shut down the system and disconnect the AC adapter from the system.
2. Press and hold the <B> key on the keyboard, and then press the power button.
   The system will boot.

   

3. Press any key to proceed, when the Owner Tag information is displayed on the screen.
   The system will emit three short beeps and shut down.

   

   

4. To exit from the Service Mode, press the power button to power on the system.