Sony PCG-FX290 Typical expansion memory configuration, To remove a memory module

VAIO Notebook User Guide
96
Typical expansion memory configuration
To remove a memory module
1Shut down your computer and disconnect all peripheral devices, such as
your printer.
2Unplug the computer and remove the battery pack(s).
3After the computer has cooled, loosen and remove the screw that secures the
cover of the memory bay on the bottom of your computer. Use an
appropriate screwdriver.
4Touch a metal object (such as the connector panel on the back of your
computer) to discharge any static electricity.
Total System Memory (MB) Slot 1 (MB) Slot 2 (MB)
320 256 64
384 256 128
512 256 256
Removing the memory module cover
Screwdriver
Screw