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Lenovo G450/G550 Computer User Manual
This user manual guides owners of the Lenovo G450 and G550 laptops through initial setup, basic operation, and system configuration. It includes chapters on hardware components, operating system settings, and the OneKey Rescue System for data recovery.
The document also contains extensive safety information, detailing proper handling of the laptop, power requirements, and precautions to avoid damage from liquids, overheating, or improper power sources. Troubleshooting tips and instructions for replacing batteries, hard drives, and memory are provided in later sections.
Lenovo G550 specifications
| Form Factor Size | G450: Approx. 345 x 235 x 26.2‑35.9 mm; G550: Approx. 381 x 245 x 26.5‑36.2 mm |
|---|---|
| Weight | G450: Approx. 2.2‑2.4 kg; G550: Approx. 2.7‑2.75 kg |
| CPU | Intel Penryn / Intel Penryn‑Celeron |
| Memory | DDR3, 800/1066 MHz, 2× SODIMM, up to 8 GB |
| Display | G450: 14.0" HDLED 16:9; G550: 15.6" HDLED 16:9 |
| Hard Disk Drive | 2.5" SATA HDD |
| Battery | 53 Wh/57 Wh/48 Wh (6‑cell) or 35 Wh (4‑cell) Li‑ion |
| AC Adapter | 65 W or 90 W |
Source: Lenovo G450/G550 User Manual
All Lenovo G550 documents by type
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
Questions answered in these manuals
What safety precautions should be followed when using the laptop?
Keep the computer well‑ventilated, avoid liquids, use only the supplied power adapter, and do not place the laptop on soft surfaces that could block vents.
What safety precautions should I follow when using the laptop?
Read the important safety information, avoid using the laptop on soft surfaces, keep ventilation clear, and use only the supplied power adapter and battery.
Why does the hard‑disk capacity shown in the operating system differ from the nominal capacity?
The operating system uses a binary base (1 GB = 1024 MB) while the manufacturer uses a decimal base (1 GB = 1000 MB), causing the displayed capacity to be about 93 % of the nominal size.
Which operating system does the manual assume?
The manual assumes the use of Windows Vista® for many of its instructions.
How can I get technical assistance for my Lenovo G450/G550 notebook?
Call Lenovo support toll‑free at 1‑877‑453‑6686 or visit the support website at consumersupport.lenovo.com.