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Turn off the computer and disconnect all power cords from electrical outlets. 2. Remove the computer cover. See “Removing the computer cover” on page 26. 3. Remove the front bezel. See “Removing and reinstalling the front bezel” on page 27. 4. Depending on whether you are installing or replacing an optical drive, do one of the following: • If you are installing a secondary optical drive, remove the plastic panel in the front bezel for the drive bay you want to use. If there is a metal static shield installed in the drive bay, remove the metal static shield. 32 ThinkStation User Guide • If you are replacing an optical drive, disconnect the signal cable and the power cable from the rear of the optical drive, press the blue release button, and then slide the optical drive out of the front of the computer. Figure 18. Removing the optical drive 5. Install the optical drive retainer on the side of the new optical drive. Figure 19. Installing the optical drive retainer Chapter 4. Installing or replacing hardware 33 6. Slide the new optical drive into the drive bay from the front of the computer until the optical drive snaps into position. Figure 20. Installing the optical drive 7. Connect the signal cable and the power cable to the new optical drive. Figure 21. Connecting the optical drive 8. Reinstall the front bezel. See “Removing and reinstalling the front bezel” on page 27. What to do next: • To work with another piece of hardware, go to the appropriate section. • To complete the installation or replacement, go to “Completing the parts replacement” on page 49. Replacing the card reader Attention: Do not open your computer or attempt any repair before reading and understanding the “Important safety information” on page iii. 34 ThinkStation User Guide This section provides instructions on how to install or replace the card reader. To replace the card reader, do the following: 1. Remove all media from the drives and turn off all attached devices and the computer. Then, disconnect all power cords from electrical outlets and disconnect all cables that are connected to the computer. 2. Remove the computer cover. See “Removing the computer cover” on page 26. 3. Remove the front bezel. See “Removing and reinstalling the front bezel” on page 27. 4. Locate the card reader. See “Locating components” on page 10. 5. Disconnect the card reader cable from the front USB connector on the system board. See “Locating parts on the system board” on page 11. 6. Press the blue retaining clip to remove the card reader out of the chassis. Figure 22. Removing the card reader 7. Install the card reader retainer on the side of the new card reader. Figure 23. Installing the card reader retainer Chapter 4. Installing or replacing hardware 35 8. Slide the new card reader into the drive bay until it snaps into position. 9. Reconnect the card reader cable to one of the available front USB connectors on the system board. See “Locating parts on the system board” on page 11. 10. Reinstall the front bezel. See “Removing and reinstalling the front bezel” on page 27. What to do next: • To work with another piece of hardware, go to the appropriate section. • To complete the installation or replacement, go to “Completing the parts replacement” on page 49. Replacing the power supply assembly Attention: Do not open your computer or attempt any repair before reading and understanding the “Important safety information” on page iii. This section provides instructions on how to replace the power supply assembly. Although there are no moving parts in your computer after the power cord has been disconnected, the following warnings are required for your safety and proper Underwriters Laboratories (UL) certification. CAUTION: Hazardous moving parts. Keep fingers and other body parts away. 36 ThinkStation User Guide CAUTION: Never remove the cover on a power supply or any part that has the following label attached. Hazardous voltage, current, and energy levels are present inside any component that has this label attached. There are no serviceable parts inside these components. If you suspect a problem with one of these parts, contact a service technician. To replace the power supply assembly, 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 26. 3. Disconnect the power supply assembly cables from the system board and all drives. See “Locating parts on the system board” on page 11. 4. Release the power supply assembly cables from the cable clips and ties in the chassis. 5. Lay the computer on its side and remove the four screws at the rear of the chassis that secure the power supply assembly. Figure 24. Removing the screws for the power supply assembly 6. Slide the power supply assembly to the front of the computer and then lift it out of the chassis. 7. Ensure that the new power supply assembly is the correct replacement. 8. Install the new p...
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