Lenovo ThinkCentre E51 Hardware Maintenance Manual - Page 156

Replacing the hard disk drive 1. Remove the cover. See "Removing the cover" on page 121. 2. Remove the drive bay assembly. See "Removing and replacing the drive bay assembly" on page 127. 3. Remove the two screws that secure the hard disk drive bracket. 4. From the front of the chassis, slide the drive bracket to the left until it is free of the retaining clips in the bottom of the chassis. It can now be can be removed from the chassis. 5. Disconnect the signal and power cables from the rear of the hard disk drive. 6. Remove the four screws that secure the hard disk drive to the bracket and remove the drive from the bracket. 7. Position the new drive into the hard disk drive bracket so that the screw holes on each side are aligned and install two screws into each side of the drive. 8. Reconnect the signal and power cables to the rear of the hard disk drive. 9. Position the hard disk drive bracket so that it engages the retaining clips in the bottom of the chassis when you slide the bracket to the right. 10. Slide the hard disk drive bracket to the right until the screw holes are aligned and install the screws. 11. Reinstall the drive bay assembly and connect the power and signal cables to the drives. 12. Go to "Completing the FRU replacement" on page 154. 150 Hardware Maintenance Manual