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7. Alternate tightening each screw a small and equal amount until the heat sink
8. Connect the new heat sink and fan assembly cable to the microprocessor fan
Replacing the hard disk drive
This section provides instructions on how to replace the hard disk drive.
To replace the hard disk drive, do the following:
1. Remove the computer cover. See "Removing the computer cover" on page 14.
2. Locate the primary hard disk drive. See "Internal drives" on page 10.
3. Disconnect the signal cable and the power cable from the rear of the hard disk
26
User Guide
and fan assembly is secured to the system board. Do not over-tighten the
screws.
connector on the system board.
What to do next:
v To work with another piece of hardware, go to the appropriate section.
v To complete the replacement, go to "Completing the parts replacement" on
page 31.
Attention
Do not open your computer or attempt any repair before reading and understanding the
"Important safety information" in the ThinkCentre Safety and Warranty Guide that came with
your computer. To obtain a copy of the ThinkCentre Safety and Warranty Guide, go to:
http://www.lenovo.com/support
Note: There is also a secondary hard disk drive bay for you to install a
secondary hard disk drive by yourself. If you want to install a secondary
hard disk drive, use the same way of installing the primary hard disk
drive.
drive.
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