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the upper case。 2021 Lenovo LENOVO CONFIDENTIAL LENOVO CONFIDENTIAL LENOVO CONFIDENTIAL LENOVO CONFIDENTIAL Analysis 15. Loosen the FFC touch pad cable and speaker cable connectors 。 2X SCREWS M2* BLUE TOOTH CONNECTOR Page 10 of 45 Title change by using View Slide Master | Lenovo Confidential | 169。 2021 Lenovo LENOVO CONFIDENTIAL LENOVO CONFIDENTIAL LENOVO CONFIDENTIAL LENOVO CONFIDENTIAL Analysis 12. Remove 2 screws of fan then loosen the cable connector and take it away。 11. Take the DIMM away from system module。 2021 Lenovo LENOVO CONFIDENTIAL LENOVO CONFIDENTIAL LENOVO CONFIDENTIAL LENOVO CONFIDENTIAL Analysis 9. Take the HDD away from system module。 2 X SCREWS M2*L5 Page 7 of 45 Title change by using View Slide Master | Lenovo Confidential | 169。 6. Unplug the cables of the antenna and CCD then take them out from the orbits。 LCASE SYSTEM Page 6 of 45 Title change by using View Slide Master | Lenovo Confidential | 169。 2021 Lenovo LENOVO CONFIDENTIAL LENOVO CONFIDENTIAL LENOVO CONFIDENTIAL LENOVO CONFIDENTIAL Analysis 3. Remove the 6 screws of lower case and 4 screws on the keyboard plate 4X SCREWS M2*L5 6X SCREWS M2*L8 Page 5 of 45 Title change by using View Slide