Dell Precision M2400 (Mid 2008) - Manual (Page 11)

5. Turn the computer upside down.
6. Slide the battery release latches toward each other to lock them in an open position.
7. Slide the battery out of the battery bay.
8. Disconnect any external devices and remove any installed cards before working on your computer:
l To remove any installed cards, such as an ExpressCard, see the Dell™ Technology Guide on your computer or at support.dell.com.
l To undock from a docking station, see the E-Port User's Guide or the E-Port Plus User's Guide on support.dell.com.
l To remove a battery slice, see the documentation that shipped with your battery slice or on support.dell.com.
l To remove a cool slice, see the documentation that shipped with your cool slice or on support.dell.com.
l To remove a port cover from the E6400 ATG, lift up and ease the port cover away from the connectors along the back of the computer.
9. Turn the computer topside up, open the display, and press the power button to ground the system board.
After Working on Your Computer
After you have completed the replacement procedures, ensure you connect the external devices, cards, cables, etc. before turning on your computer.
1 battery 2 battery release latches (2)
1 bottom of computer 2 port cover
NOTE: To avoid damage to the computer, use only the battery designed for this particular Dell computer. Do not use batteries designed for other Dell
computers.