This user manual provides technical reference information for the Alienware Area-51 m5550 laptop. The manual includes features and characteristics of the product.
This manual covers the Alienware Area-51 m5550 notebook, describing its hardware components, keyboard layout, display, audio, modem, and graphics subsystems. It guides users through BIOS configuration, battery management, power‑saving options, and how to upgrade memory, storage, and wireless cards.
Safety instructions, cleaning procedures, AC‑adapter handling, laser‑drive warnings, and network connection details are also included, along with a full product specification and regulatory notices.
| AC Adapter models | Liteon PA-1900-05 (90W), Liteon PA-1900-06 (90W), Lishin LSEO202D2090 (90W), Lishin LSEO202C2090 (90W) |
|---|---|
| Network adapter | 10/100/1000Base‑TX Fast Ethernet |
| Battery type | Lithium‑ion |
Power off the computer, remove the battery pack, disconnect the AC adapter, then use a soft cloth dampened with water—do not use liquid or aerosol cleaners.
The notebook works only with Liteon PA‑1900‑05 (90W), Liteon PA‑1900‑06 (90W), Lishin LSEO202D2090 (90W) or Lishin LSEO202C2090 (90W) adapters.