Acer Aspire E1-521 Acer Aspire E1-521 Notebook Service Guide - Page 142

Mainboard Removal Prerequisite HDD Module Removal on page 5-23 DIMM Module Removal on page 5-21 WLAN Module Removal on page 5-26 Upper Case Removal on page 5-34 1. Locate the WLAN antenna cables (see Figure 5:10, page 5-12). 2. Disconnect the main (black) and the auxiliary (white) antenna cable connectors and remove from the guides of the lower case. Figure 5:59. Removing the Antenna Cables 5-43 Service and Maintenance