Lenovo ThinkCentre M91p Hardware Maintenance Manual - Page 111

Replacing the primary hard disk drive Attention: Do not open your computer or attempt any repair before reading and understanding the "Important safety information" in the ThinkCentre User Guide. To obtain a copy of the ThinkCentre User Guide, go to: http://www.lenovo.com/ThinkCentreUserGuides This section provides instructions on how to replace the primary hard disk drive. To replace the primary hard disk drive, do the following: 1. Turn off the computer and disconnect all power cords from electrical outlets. 2. Remove the computer cover. See "Removing the computer cover" on page 79. 3. Locate the primary hard disk drive. See "Locating internal drives" on page 78. 4. Disconnect the signal cable and the power cable from the hard disk drive. 5. Press the blue release tab 1 down, slide the hard disk drive cage 2 to the rear of the computer, and then pivot it outward. Figure 35. Removing the primary hard disk drive 6. Remove the hard disk drive cage from the chassis by sliding it outward. 7. Pull on the blue handle 3 to release and remove the hard disk drive from the drive cage. 8. Flex the sides of the blue bracket to remove the hard disk drive from the bracket. Chapter 8. Replacing FRUs (Machine Types: 4468, 4473, 4476, 4479, 4495, 4497, 4499, 4504, 4513, 4517, 4524, 7021, 7032, 7034, 7049, 7052, 7053, 7073, 7136, and 7178.) 103