Replacing A Hard Disk Drive - Lenovo ThinkStation 4155 Hardware Installation And Replacement Manual

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10. Reconnect the heat sink fan assembly cable to the system board.

11. Go to Chapter 4, "Completing the parts replacement," on page 49.

Replacing a hard disk drive

This section provides instructions on how to replace the hard disk drive.

Attention: Your computer supports both SAS hard disk drives and SATA hard

disk drives. However, be sure that you do not install both the SAS and SATA hard

disk drives into the same computer.

To replace a hard disk drive:

1. Remove the computer cover. See "Removing the computer cover" on page 11.

2. Locate the hard disk drive. See "Locating components" on page 9.

3. Disconnect the signal and power cables from the hard disk drive.

Hardware Installation and Replacement Guide

9. Follow this sequence to install the four screws to secure the heat sink and fan

assembly:

a. Partially tighten screw ▌1▐, then fully tighten screw ▌3▐, and then fully

tighten screw ▌1▐.

b. Partially tighten screw ▌2▐, then fully tighten screw ▌4▐, and then fully

tighten screw ▌2▐.

Attention

Do not open your computer or attempt any repair before reading and understanding the

"Important safety information" in the ThinkStation Safety and Warranty Guide that came

with your computer. To obtain a copy of the ThinkStation Safety and Warranty Guide, go to:

http://www.lenovo.com/support

Important

When you receive a new hard disk drive, you also receive a set of Product

Recovery discs. The set of Product Recovery discs will enable you to restore the

contents of the hard disk drive to the factory-installed state. For more

information on recovering factory-installed software, refer to "Recovering

software" in your ThinkStation User Guide.

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