Not sure which notebook to select? The model number is located on the bottom of your notebook.

Notebooks - Gateway T-1400 Series

Gateway Notebook Reference Guide R3 (Triton) - 8513068

Notebooks - Gateway T-1600 Series

Gateway Notebook Reference Guide R3 (Triton) - 8513068

Notebooks - Gateway T-6000 Series

Gateway Notebook Reference Guide R3 (Triton) - 8513068

Gateway provides some documents in PDF format.
For more information, see Using Adobe PDF Documents.