506 
Assembly Replacement Procedures
Disk Drive
6. Refer to Figure 14-57. Uninstall the existing Hard Drive from the Top 
Shield by removing and discarding the 4 machine screws (1) from the 
CPU assembly. Screws need to be discarded because dried precoated 
screws can cause cross threading.
Figure 14-57  CPU/Hard Drive Parts
7. Remove the ribbon cable from the Hard Disk Drive and set the ribbon 
cable aside. Discard the defective Hard Disk Drive.
8. Locate the Programmed Hard Disk Drive.
9. Connect the Hard Drive ribbon cable to the Programmed Hard Disk Drive.