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Hard Drive

Dell™ Dimension™ 4590T Service Manual

CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in your User's Guide.

CAUTION: To guard against electrical shock, always unplug your computer from the power supply before removing the hard drive.

CAUTION: To prevent static damage to components inside your computer, discharge static electricity from your body before you touch any of your computer's electronic components. You can do so by touching an unpainted metal surface on the computer chassis.

NOTICE: To avoid damage to the drive, do not set it on a hard surface. Instead, set the drive on a surface, such as a foam pad, that will sufficiently cushion it.

1. If you are replacing a hard drive that contains data you want to keep, back up your files before you begin this procedure.
   
   
2. Check the documentation for the drive to verify that it is configured for your computer.
   
   
3. Perform an orderly computer shutdown using the operating system menu.
   
   
4. Turn off your computer and any attached devices.
   
   

NOTICE: To disconnect a network cable, first unplug the cable from your computer, and then unplug it from the network wall jack.

5. Disconnect your computer from the power adapter and devices from their power sources. Also, disconnect any telephone or telecommunication lines from the computer.
   
   
6. Press the power button to ground the system board.
   
   
7. Remove the computer from the mounting plate (if used).
   
   
8. Remove the cable cover, if it is attached.
   
   
9. Slide the release button as shown in the following figure.
   
   

1	release button
2	hard-drive door
3	drive cable
4	drive connector

NOTICE: Before touching anything inside your computer, ground yourself by touching an unpainted metal surface, such as the metal at the back of the computer. While you work, periodically touch an unpainted metal surface to dissipate any static electricity that could harm internal components.

10. Rotate the hard-drive door up and remove the drive cable from the drive connector.
    
    
11. Raise the release tab, and slide the drive up and away from the plastic door.
    
    

12. If your replacement drive is not attached to a metal sled:
    
    
    1. While holding the drive that you are replacing, remove the screws that hold the drive to the sled.
       
       
    2. Attach the replacement drive to the sled and replace the screws as shown in the following figure.
       
       

13. Slide the new drive onto the plastic door.
    
    

NOTICE: There are four extra pins on the hard drive that are not on the cable connector. Be careful when you attach the cable so that you do not bend or break the drive pins.

14. Attach the drive cable to the connector on the new drive. Be careful when you attach the cable so that you do not bend or break the drive pins.
    
    

1	drive cable
2	drive connector

15. Slide the drive into the drive bay and lower the hard-drive door so that it locks into position.
    
    
16. Replace the cable cover (if used).
    
    
17. Attach the computer to the mounting plate (if used).
    
    

NOTICE: To connect a network cable, first plug the cable into the network wall jack, and then plug it into the computer.

18. Connect your computer to the power adapter and devices to electrical outlets, and turn them on.
    
    

See the documentation that came with the drive for instructions on installing any software required for drive operation.

19. Restart the computer.
    
    
20. Partition and logically format your drive before you proceed to the next step.
    
    

For instructions, see the documentation that came with your operating system.

21. Test the hard drive by running the Dell Diagnostics.
    
    
22. Install your operating system on the hard drive.
    
    

For instructions, see the documentation that came with your operating system.

After you replace the cover, the chassis intrusion detector, if enabled, causes the following message to appear on the screen at the next computer start-up:

ALERT! Cover was previously removed.

23. Reset the chassis intrusion detector by changing Chassis Intrusion to Enabled or Enabled-Silent.
    
    

NOTE: If a setup password has been assigned by someone else, contact your network administrator for information on resetting the chassis intrusion detector.

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