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a.
Position the new heat-sink on the motherboard so that the nine screws are aligned with the
holes in the motherboard and wind shielding.
b.
Tighten the screws in numeric order to secure the new heat-sink to the motherboard.
Step 9.
Reattach the camera cable, motherboard frame, rear cover, and stand base.
Replacing the hard disk drive
Attention: Turn off the computer and wait 3 to 5 minutes to let it cool down before removing the cover.
Note: It may be helpful to place the computer face-down on a soft flat surface for this procedure. Lenovo
recommends that you use a blanket, towel, or other soft cloth to protect the touch screen from scratches or
other damage.
Step 1.
Remove any media from the drives, shut down the operating system, and turn off the computer and
all attached devices.
Step 2.
Unplug all power cords from electrical outlets.
Step 3.
Disconnect all cables attached to the computer. This includes power cords, input/output (I/O)
cables, and any other cables that are connected to the computer. Refer to Locating connectors,
controls and components to locate the various connectors.
Step 4.
Remove the stand base. Refer to Removing the stand base.
Step 5.
Remove the rear cover. Refer to Removing the rear cover.
Step 6.
Disconnect the signal cable from the hard disk drive.
Step 7.
Remove the four screws that secure the hard disk drive to the chassis.
Step 8.
Pull the hard disk drive and bracket to left, and then lift them up.
Step 9.
Remove the four screws that secure the hard disk drive to the bracket.
.
Chapter 8
Replacing hardware
43
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