NEC P520 - Manual (Page 5)

Removing the Battery
1. Make sure the notebook is powered off.
2. Close the lid of the notebook.
3. Turn the unit upside down.
4. Unlock the battery and lift it out of its place.
Fig. 1: Removing the battery
Make sure that in all the disassembly steps that the battery is removed!
Removing the memory module
1. Unscrew one screw to remove the memory module slot cover.
2. Pull apart the clips retaining the memory module in order to release the module
3. Remove the memory module
Fig. 2: Removing the memory module
M2.3x3
NEC Versa P520 Disassembly Manual Page 5