GUID-B5B3789D-425B-4699-A254-305DEA032A94Replacing the middle-frame baseWARNING: Before working inside your computer, read the safetyinformation that shipped with your computer and follow the steps in Beforeworking inside your computer. After working inside your computer, followthe instructions in After working inside your computer. For more safety bestpractices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance.GUID-4E14A2B9-3740-489D-A9C5-98A89E33DC38ProcedureCAUTION: Ensure that no cables are placed under the middle-frame base.1 Align the slots on the middle-frame base with the tabs on the display assembly.2 Replace the four screws (M3x3) that secure the middle-frame base to thedisplay panel.3 Slide the display cable through the slot on the middle-frame base.4 Place the middle-frame base on the display assembly and press down till the tabslock in place.5 Replace the 16 screws (M3x5) that secure the middle-frame base to the displayassembly.6 Route the antenna , camera and microphone, touch-screen board, optical driveand hard drive cables through the routing guides on the middle-frame base.7 Adhere the control-buttons board cable to the middle-frame base.8 Connect the touch-screen board and display-backlight cable to the display panel.GUID-78E4EF7B-9E55-4CBB-892E-CEEF7A02DB59Post-requisites1 Replace the speaker cover.2 Replace the VESA-mount bracket.81