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VAIO® Notebook Computer

Model # VPCSB31FX  |   change model...
This model is also known as: PCG4121GL, VPCSB31FX/B, VPCSB31FX/L, VPCSB31FX/P, VPCSB31FX/R, VPCSB31FX/W,

Serial Number Location: On the bottom, the back panel, or inside the battery compartment of your computer.