Answer

Due to the spec of memory can only support 1G, but when the user installed 2G memory on the RAM slot, it will increase the "hiberfil.sys" file (Hiberfil.sys is a copy of the computer's RAM when the computer goes into hibernation.), and the size of hiberfile.sys is depend on the memory size on the RAM slot. Furthermore, the virtual memory needed to be disabled temporarily, please refer to the PDF file.

Reference

Applicable Models