Step 1: Removing Heat Sink

• Identify the heat sink screws (marked in green) securing the heat sink in place.
• Using the appropriate screwdriver, carefully loosen and remove the heat sink screws.
• Gently lift and remove the heat sink.
• Note: Pay close attention to the aluminum chunk with a 1mm Thermo pad (marked in blue) inside the rear of the heat sink. This component plays a crucial role in CPU cooling.
  
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Step 2: Removing Rear Cover

• Locate and loosen the rear cover screws (marked in red) on the back of the device.
• Carefully lift and remove the rear cover.
    

Step 3: Detaching Touch Control Card

• Find the Touch Control Card flat cable (marked in blue) located near the SSD at the bottom.
• Disconnect the Touch Control Card flat cable from its socket.
  
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Step 4: Loosening Rear Housing

• Identify the rear housing screws (marked in red) situated around the device.
• Use the appropriate screwdriver to loosen these screws.
• Lift the rear housing carefully, ensuring not to damage any internal components.
    

Step 5: Replacement or Further Maintenance If your intention is to replace a component or perform additional maintenance, proceed with the necessary steps carefully. Pay attention to component compatibility and follow the reverse order of these steps during reassembly.

Important Notes:

• Exercise caution during the entire disassembly process to prevent damage to internal components.
• Take special care with the aluminum chunk and Thermo pad for CPU cooling.
• Keep track of screws and components for efficient reassembly.
• If you encounter resistance, double-check for missed screws or connections before proceeding.