In this guide, I’ll disassemble Asus K550CA, I will remove and replace the battery, hard drive, RAM, wireless card, dvd drive, keyboard, palm rest and motherboard, refer to this guide, you can upgrade and repair your Asus K550CA.
Remove then screws from the bottom case.
Pry up the palm rest. There are three cables still connected to the motherboard.
Disconnect the keyboard cable, touchpad cable and power button cable.
Remove the palm rest.
Asus K550CA palm rest and keyboard
Disconnect the battery power cable (Cyan). Remove the battery.
Disconnect two wireless card antenna cables (green).
Disconnect speaker cable (yellow).
Remove one screw, you can pull out and remove the dvd drive.
Disconnect the white cable.
Remove four screws securing the hard drive. Remove the hard drive.
Remove all the screws securing the motherboard. Remove the motherboard.
Now you can add your new RAM, remove the heat sink and cooling fan.