🏷️ Basic Information Identification Make: Acer Model: Aspire 4520 / 4220 / 4520G / 4220G Series Year: Not Specified (Manual covers a series) Generation: Not Specified (Manual covers a series) 📋 Manual Details Document Info Manual Type: Factory / Service / Repair Language: English Page Count: 106 File Format: PDF Delivery Format: PDF Searchability: Keyword Searchable Zoom Capability: Yes Availability: Downloadable 📄 Laptop Specs General Series Models Covered: Aspire 4520, 4220, 4520G, 4220G Intended Use: Service, Repair, Maintenance Processor Cpu Socket: Socket S1 (likely) Memory Ram Type: DDR2 SDRAM (likely) Storage Hdd Interface: SATA (likely) Display Screen Size: 15.4-inch (common for this series) Optical Drive Optical Drive Type: DVD-Super Multi Drive (common) Graphics Graphics Chipset: Integrated (e.g., NVIDIA GeForce Go) or Dedicated (model dependent) Connectivity Wireless Lan: 802.11b/g/n (common) Ethernet: Gigabit Ethernet (common) Ports Usb Ports: Multiple USB 2.0 ports Video Output: VGA, HDMI (model dependent) Audio Audio Features: Integrated Speakers, Microphone Input, Headphone Output Power Battery Type: Lithium-ion (likely) Ac Adapter Specs: Provided in manual (voltage/amperage) Operating System Supported Os: Windows XP, Vista, 7 (likely, depends on release) Physical Dimensions Approx Weight: 2.7 kg (approx) Keyboard Keyboard Layout: QWERTY (standard) Cooling Cooling System: Fan and heatsink assembly