a.Partially tighten screw

b.Partially tighten screw

1 , then fully tighten screw

3 , then fully tighten screw

2 , and then fully tighten screw

4 , and then fully tighten screw

1.

3.

10.Connect the heat sink and fan assembly cable to the microprocessor fan connector on the system board. See “Locating parts on the system board” on page 13.

What to do next:

To work with another piece of hardware, go to the appropriate section.

To complete the installation or replacement, go to “Completing the parts replacement” on page 79.

Replacing the microprocessor

Attention:

Do not open your computer or attempt any repair before reading and understanding the “Important safety information” on page v.

This section provides instructions on how to replace the microprocessor.

CAUTION:

The heat sink and microprocessor might be very hot. Turn off the computer and wait three to five minutes to let the computer cool before removing the computer cover.

To replace the microprocessor, do the following:

1.Remove all media from the drives and turn off all attached devices and the computer. Then, disconnect all power cords from electrical outlets and disconnect all cables that are connected to the computer.

2.Remove the computer cover. See “Removing the computer cover” on page 34.

3.Lay the computer on its side for easier access to the system board.

4.Locate the system board and disconnect all cables connected to the system board. See “Locating parts on the system board” on page 13.

5.Remove the heat sink and fan assembly. See “Replacing the heat sink and fan assembly” on page 49.

Note: Place the heat sink and fan assembly on its side so that the thermal grease on the bottom of it does not get in contact with anything.

Chapter 5. Installing or replacing hardware 51

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Lenovo 2011, 2112, 2111, 2110, 1663, 1565, 1662, 1562, 1766, 1765 manual Replacing the microprocessor

1765, 1766, 1562, 1662, 1565 specifications

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