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Lenovo b550 hardware maintenance manual – Lenovo B550 Notebook User Manual

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Lenovo B550 Hardware Maintenance Manual

Table 1. Specifications (continued)

Feature

Description

Keyboard

• 6-row Lenovo Keyboard

Touch pad

• Yes with two buttons

Integrated

camera

• 0.3M

Battery

• 53Wh/57Wh/48Wh, 6 cell Li-ion Battery or 35Wh, 4 cell Li-ion

Battery

AC adapter

• 19V/90W

Pre-installed

operating

system

• Windows Vista Basic/Premium SP1