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Lenovo B550 User Manual
This manual begins with important safety notices and basic hardware overview, covering topics such as unpacking, power usage, and handling of the notebook. It then guides users through first‑time setup, using the AC adapter, battery, touchpad, keyboard, and system status indicators.
Later sections explain internet connectivity, the OneKey Rescue system, troubleshooting common issues, and how to upgrade or replace components like the hard disk, memory, and battery. Appendices provide warranty details, service contacts, and regulatory notices.
Lenovo B550 specifications
| Dimensions | 381 mm × 245 mm × 26.5 ~ 36.2 mm |
|---|---|
| Weight | ≈ 2.75 kg (with 6‑cell battery) |
| CPU | Intel Penryn / Intel Penryn‑Celeron |
| Memory | DDR3, 2 × SODIMM slots |
| Display | 15.6" HD LED LCD |
| Hard Drive | 2.5" SATA HDD |
| Keyboard | 6‑row Lenovo keyboard |
| Built‑in Camera | 30 MP (specific models only) |
| Battery | 53 Wh / 57 Wh / 48 Wh (6‑cell) or 35 Wh (4‑cell) |
| Power Adapter | 19 V / 90 W |
| USB Ports | 3 × USB 2.0 |
| Audio Jack | Headphone / microphone combo |
| Video Output | 1 × D‑sub |
| Security Slot | Kensington lock |
Source: Lenovo B550 Notebook User Manual
All Lenovo B550 documents by type
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
Questions answered in these manuals
Why does the hard‑disk capacity shown in Windows differ from the nominal capacity?
Because the manufacturer uses a decimal (1000) base while the operating system uses a binary (1024) base for calculating storage.
From: Lenovo B550 User Manual
What should I do if my Lenovo notebook is not working correctly?
Do not return it to the store; contact a Lenovo support specialist for assistance.
From: Lenovo B550 User Manual
What power adapter does the Lenovo B550 require?
The notebook uses a 19 V, 90 W AC power adapter.
How many USB ports are available on the Lenovo B550?
It provides three USB 2.0 ports.