Acer Aspire E1-421 Acer Aspire E1-421 Notebook Service Guide - Page 109

IO Board Removal 0 Prerequisite: Upper Case Removal 1. Find IO Board (B) on the base assembly. Refer to Figure 3-21. A B Figure 3-21. Component Location 2. Disconnect IO board FPC (A) from IO board connector (D) (Figure 3-22). 3. Remove one (1) screw (C) securing the IO board in place (Figure 3-22). 4. Remove IO board (B) from the base assembly. C B A D Figure 3-22. IO Board Machine Maintenance Procedures 3-23