Dell Latitude XT2 XFR (Late 2009) - Manual (Page 13)

Dell ™ Latitude™ XT2 XFR Setup and Features Information
Page 13
3. Replace the battery as discussed in the Battery section above.
Memory Access Door
NOTE: See Service Manual for details on removing and replacing memory.
1. Ensure computer is turned off.
2. Turn the computer upside down, and place on a flat surface.
3. Remove the battery as discussed in the Battery section above.
4. Locate the memory access door as shown below.
5. Remove the 2 screws that secure the memory access door.
6. Lift the door using the tab as shown below and remove from the computer.