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This document is the **Hardware Maintenance Manual** for **Lenovo ThinkPad T500 and W500** (15.4-inch widescreen) series notebooks. Published by **Lenovo** in **July 2008** (First Edition), this service guide provides technical instructions for trained servicers regarding diagnostics, safety protocols, and field-replaceable unit (FRU) replacement procedures. ### Device Specifications & Models * **Brand:** Lenovo ThinkPad * **Device Name:** T500 and W500 (15.4-inch widescreen) * **Model Types (MT):** * **T500:** 2055, 2056, 2081, 2082, 2083, 2087, 2088, 2089, 2241, 2242, 2243, 2246, 2247, 2261 * **W500:** 4058, 4061, 4062, 4063, 4064, 4065 ### Service & Maintenance Information The manual outlines comprehensive maintenance strategies, including: * **General Checkout:** Diagnostics utilizing PC-Doctor (DOS, Windows, and Rescue and Recovery), power system verification (AC adapter, battery pack, backup battery), and power management settings (Standby, Hibernation). * **Security:** Procedures for Power-on, Hard-disk, and Supervisor password removal. * **Troubleshooting:** Symptom-to-FRU index, including numeric error codes, beep symptoms, and "no-beep" symptoms. * **FRU Replacement:** Step-by-step disassembly/reassembly for components, including the Battery pack, Serial Ultrabay Slim, HDD/SSD, Palm rest/Fingerprint reader, DIMM, Keyboard, Modem daughter card, PCI Express Mini Cards (WLAN, WWAN), Intel Turbo Memory, Backup battery, SIM card slot, Fan assembly, CPU, LCD unit, and system board. * **Handling & Safety:** Extensive requirements for electrostatic discharge (ESD) protection, grounding standards, safety inspection checklists, and multilingual safety warnings regarding electrical hazards and battery disposal. ### Documentation Details * **Document Type:** Hardware Maintenance Manual * **Publisher:** Lenovo * **Date:** July 2008 * **Revision:** First Edition * **Compliance:** References RoHS compliant FRU replacement and GSA