69 Aspire 1600Removing the CPU Fan Sink1. See “Removing the Battery Pack” on page 562. See “Removing the Middle Cover” on page 613. See “Removing the Keyboard” on page 624. See “Removing the Keyboard Bracket” on page 675. Disconnect the CPU fan cable, remove four screws, and then detach the CPU fan sink from the main unit.Removing the Processor1. See “Removing the Battery Pack” on page 562. See “Removing the Middle Cover” on page 613. See “Removing the Keyboard” on page 624. See “Removing the Keyboard Bracket” on page 675. See “Removing the CPU Fan Sink” on page 696. Lift up the CPU socket lever, remove the CPU from the CPU socket carefully, and then put the CPUsocket lever back to its original position.Installing the Processor1. See “Removing the Battery Pack” on page 562. See “Removing the Middle Cover” on page 613. See “Removing the Keyboard” on page 624. See “Removing the Keyboard Bracket” on page 675. See “Removing the CPU Fan Sink” on page 696. Lift up the CPU socket lever, install the CPU to the CPU socket carefully, and then put the CPU socketlever back to its original position to secure the CPU well.