The WinBook LM has a maximum capacity of 40 MB of Ram. If that amount is already installed then there is no further memory upgrade possible. There are two memory sockets, but they must be matched pairs. Your computer, especially RAM, is extremely static-sensitive.
Static electricity can permanently damage the memory modules.
Discharge any static electricity by touching the metal shielding around the connectors on the rear of the notebook computer. Typical grounds are a radiator or a printer case when your unit is plugged in. The memory door is located on the underside of the notebook. It is held in place by Phillips screws. Please see Figure 6-1.