Sony PCG-K415B User Manual page 179

9 When the message "Save configuration changes and exit now?" appears, select Yes and press the <Enter> key.
Your computer restarts.
10 Check the video memory size.
1 Click Start, point to All Programs, then click VAIO Control Center.
The VAIO Control Center window appears.
2 Click System Information to see the value indicated for Video Memory.
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Upgrading your VAIO computer