This manual contains important information for servicing Lenovo Model ThinkPad A21e/A22e/i1800 laptops. The procedures outlined are applicable to all models unless otherwise specified. A detailed list of laptop features is included, along with general information about the IBM laptop model. Specifications, assembly locations, safety and regulatory information, as well as the service and repair philosophy are all covered in this chapter.
Step-by-step procedures for replacing all Field Replaceable Units (FRUs)
