Lenovo Y570 Disassembly for Chassis Replacement

ID: 23886

Description: The part of the chassis that the LCD assembly...

Steps:

1. From the bottom of the unit: Slide the 2 latches to the outer edges and remove the battery.

2. Completely loosen the 6 captive screws from the rear access panel, unsnap and remove the panel.
3. Completely loosen the 1 captive screw from the cable TV card cover, unsnap and remove the cover.

4. Remove the 2 retaining screws from the magnetic hard drive, slide the drive out of the socket and remove from the unit.
5. Remove the 1 retaining screw from the solid state hard drive, slide the drive out of the socket and remove from the unit.

6. Remove the 1 retaining screw from the optical drive and slide it out of the unit.

7. Push the retaining clips on both sides of the DIMM memory cards to release and remove them from the unit.

8. Gently pry upward on the 2 antenna wires with a plastic pry tool or guitar pick to unsnap them from the wireless LAN card.
9. Remove the 1 retaining screw from the wireless LAN card and remove it from the unit.

10. Remove the single keyboard retaining screw. This screw and the screw that held the optical drive in place also attach to the back of the keyboard.

11. Using a plastic pry tool or guitar pick, carefully lift and unsnap the top of the keyboard starting from one of the top corners. Unsnap the sides of the keyboard and carefully move it forward to expose the attached ribbon cable.
12. Push the ribbon cable fastener forward to release the cable, then slide the cable from the socket and remove the keyboard from the unit.

13. From the bottom of the unit: Remove the 8 retaining screws on the hinge side of the chassis.

14. Move the ribbon cable fastener forward and disconnect the power button cable from the system board.
15. Move the ribbon cable fastener forward and disconnect the status LED cable from system board.

16. Using a plastic pry tool or guitar pick, carefully unsnap and lift the power button/status LED cover and remove it.

17. Remove the remaining 12 retaining screws from the bottom of the chassis.

18. Remove the 2 retaining screws from the top bezel (located where the keyboard used to be).
19. Detach the touchpad and touch inductive panel cables from the system board (there are no fasteners on these cables, just pull them free from the sockets).
20. Detach the LVDS cable from the system board by gently lifting the tape and pulling to the right to unplug the cable.

21. Using a plastic pry tool or guitar pick, carefully unsnap the top bezel and remove it.

22. Move the ribbon cable fastener forward and disconnect the USB board cable from the system board.
23. Remove the single retaining screw and lift the USB board from the chassis to remove it.

24. Unplug the Bluetooth cable from the system board and lift the module from the chassis to remove it.

25. From the bottom of the unit: Unplug the DC power and Speaker cables from the system board.

26. From the top of the unit: Remove the 3 retaining screws on the Motherboard.
27. Loosen the screw on the left LCD hinge and carefully lift the Motherboard from the chassis.

28. From the bottom of the unit, release the antennae cables from the guides.

29. Remove the 3 remaining screws on the LCD hinges and carefully lift the LCD unit from the chassis.

30. Unplug the fan cable from the Motherboard.
31. Remove the 7 retaining screws and springs on the Heatsink assembly in the order stamped on the Heatsink and lift the assembly free from the system board.
32. Clean the old thermal compound from the CPU and the GPU. Apply a thin film of a quality thermal paste such as "Arctic Silver" when reassembling the unit. Leave all thermal pads in place for reassembly.

33. Remove the 4 retaining screws from the speakers, release the speaker cables from the guides and carefully lift the speakers from the chassis to remove them.

34. Release the DC Power cable from the guides and carefully lift the DC connector from the chassis to remove it.