Sony VAIO VGX-TP - Manual (Page 107)

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Upgrading Your VAIO Computer
Viewing the Amount of Memory
To view the amount of memory
1 Turn on the computer.
2 Click Start, All Programs, and VAIO Control Center.
3 Double-click the System Information icon under the System Information folder.
You can view the amount of system memory. If the additional memory does not appear, repeat the whole installation
procedure and restart the computer.