🏷️ Basic Information Identification Make: Acer Model: Aspire 4720G/4720Z/4720/4320 Year: Not Specified (Service Manual) Generation: Not Applicable (Service Manual for multiple models) 📋 Manual Details Publication Manual Type: Service Manual Language: English (Assumed based on product description) Page Count: Not Specified Format: Digital (Likely PDF) Publisher: Acer Content Coverage: Comprehensive service and repair Bonus Gifts: Mentioned in product description ⚙️ Engine Specifications Processor Cpu Family: Intel Core 2 Duo / Pentium Dual-Core / Celeron (Specifics vary by model) Cpu Socket: Socket P (for Mobile CPUs) Chipset: Mobile Intel GL960 Express Chipset or PM965 Express Chipset Graphics Gpu Model: NVIDIA GeForce 9300M GS (for 4720G) / Intel Graphics Media Accelerator X3100 (integrated for other models) Memory Ram Type: DDR2 SDRAM Ram Speed: 667 MHz or 533 MHz Max Ram Support: 4 GB (typically 2 SODIMM slots) 🔧 Transmission Storage Hard Drive Interface: SATA Optical Drive: DVD-Super Multi double-layer drive 📐 Dimensions Physical Screen Size: 14.1 inches Screen Resolution: 1280 x 800 (WXGA) Weight: Approx. 2.4 kg (5.3 lbs) 🔧 Maintenance Cleaning Dust Removal Interval: Every 3-6 months (recommended) Cleaning Agents: Isopropyl alcohol, microfiber cloth Component Replacement Battery Life Expectancy: 1-3 years (depending on usage and battery health) Hard Drive Replacement Consideration: Every 3-5 years or upon failure