Lenovo 4266, 4271, 4272, 4269, 4265, 4264, 4263 manual Removing the optical drive bracket, User Guide

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 13.

3.Remove the PCI card holder. See “Removing and reinstalling the PCI card holder” on page 16.

4.Your computer supports two heat sink and fan assemblies. Locate the heat sink and fan assembly you want to replace. See “Locating components” on page 10.

5.Depending on the heat sink and fan assembly you want to replace, do one of the following:

v If you are replacing heat sink and fan assembly 1, go to 6.

vIf you are replacing heat sink and fan assembly 2, do the following:

a.Remove the optical drive. See “Replacing the optical drive” on page 29.

b.Pivot the optical drive bracket as shown in the following illustration and then remove it from the chassis. Go to 6.

Figure 27. Removing the optical drive bracket

6.Disconnect the heat sink and fan assembly cable from the system board. Note the cable location.

32User Guide