This manual provides maintenance information for the Lenovo ThinkPad SL400 and SL500 notebooks. It covers disassembly, repair procedures, and precautions.
This Service Manual provides detailed service and reference information for the ThinkPad SL400 and SL500 laptops, including safety guidelines, FRU replacement procedures, and diagnostic instructions. It is intended for trained servicers familiar with ThinkPad products.
The manual covers safety information, power management, password recovery, hardware diagnostics using PC‑Doctor, and a comprehensive parts list with FRU identification. It also includes specifications, status indicators, and troubleshooting symptom indexes.
The manual describes Power‑on password, Hard‑disk password, and Supervisor password.
PC‑Doctor for DOS, Windows, and Rescue and Recovery is used for diagnostics.
Read the Safety information on page 1 and the Important service information on page 17.
The manual provides a strategy for replacing FRUs, including identification, removal, and replacement steps.