First of all, shut down your Lenovo Y570.
Remove the LCD unit from the computer and disassemble the LCD unit and Lenovo Keyboard Cover . You can refer to How to Replace Lenovo Y570 LCD hinges.
1. Lift the screen and as shown.
2. Unplug the video cable from the screen.
3. Tear the tape holding the LCD cable on the cover.
4. Remove the Unplug the small connector of the LCD cable, you can remove the Lenovo Y570 LCD Video cable now.
Reverse the procedure to install you new Lenovo Y570 LCD Video cable.
We Supply these parts for Lenovo Y570 laptop:
Lenovo Y570 CPU fan
Lenovo Y570 Battery
Lenovo Y570 LCD Cable
Lenovo Y570 LCD Hinges