Packard Bell NEC Versa E680 Disassembly Manual page 16

4. Flip over unit and release all screws as shown in Fig. 20
A = M6x2.5 Black
B = M3x2 Sliver
Fig. 20 Removing the top cover screws
5. Carefully lift up, release the top cover, and put it aside.
6. Unscrew screws on MDC Modem module and disconnect it before lift up MDC Modem.
M4.5x3.5 Black
Fig. 21 Removing the top cover
NEC Versa E680/PB EasyNote E5 Disassembly Manual
Page 16