Acer Aspire XC600 - Reassembly Procedures; Component Reinstallation Steps

42 Aspire XC600 Service Guide
Reassembly Procedures
Reinstalling the Mainboard
1. Slide the RTC battery into its socket in the mainboard until it latch into place.
2. Slide the mainboard into the chassis, with the I/O ports of the mainboard extruding from their port holes,
then lower the mainboard in place.
3. Secure the mainboard to the chassis using six screws.