In this guide, I’ll disassemble the Lenovo Y40-70. I will remove the keyboard, SSD, wireless card, speakers, heat sink, cooling fan, camera, LCD hinge, LCD screen, LCD bezel and motherboard.
Remove eleven screws from the bottom case.
Slide the bottom case, lift up and remove the bottom case.
Remove five screws securing the battery.
Disconnect the battery power cable from the motherboard, you can remove the battery.
Unscrew the four screws securing the hard drive.
Disconnect the speaker cable and the hard drive cable.
Remove the hard drive.
Unplug the wireless antenna cables.
Remove three screws and remove the fan.
Unplug the fan cable from the motherboard.
Lenovo Y40-70 cooling fan
Remove six screws securing the heat sink and remove it.
Lenovo Y40-70 heat sink
Remove one screw securing the I/O board. You remove the I/O board.
Remove four screws securing the speakers.
Lenovo Y40-70 speaker module
Remove six screws securing the motherboard. You can remove the motherboard.
Disconnect the switch board cable, touchpad cable, keyboard cable, light cable, power cable from the motherboard.
Lenovo Y40-70 motherboard
Remove six screws securing the LCD hinges. You can remove the palm rest.
LCD screen assembly.
Remove the LCD screen bezel.
Remove eight screws securing the LCD hinges. You can remove the LCD hinges.
Remove the screen.
Disconnect the LCD cable.
Remove the camera.
Lenovo Y40-70 camera module