DELL 530b Manuale Utente

Removing and Installing Parts

163

6 Slide out the power supply and lift it out.
7 Slide the replacement power supply towards the back of the computer.
8 Replace and tighten all screws that secure the power supply to the back of 

the computer chassis.

 

CAUTION: 

Failure to replace and tighten all screws may cause electrical shock 

as these screws are a key part of the system grounding.

 

NOTICE: 

Route the DC power cables under the chassis tabs. The cables must be 

properly routed to prevent the cables from being damaged.

9 Reconnect the DC power cables to the system board and drives.

10 Secure the hard drive cable, CD/DVD drive data cable, and the front panel 

ribbon cable to the securing clip on the side of the power supply. 

 

NOTE: 

Double-check all cable connections to make sure they are secure. 

11 Replace the computer cover (see "Replacing the Computer Cover" on 

12 Connect your computer and devices to an electrical outlet, and turn 

them on. 

13 Verify that the computer works correctly by running the Dell Diagnostics 

I/O Panel

 

CAUTION: 

Before you begin any of the procedures in this section, follow the 

safety instructions in the Product Information Guide.

 

CAUTION: 

To guard against likelihood of electric shock, laceration by moving fan 

blades or other unexpected injuries, always unplug your computer from the 
electrical outlet before opening the cover.

 

CAUTION: 

The heat sink assembly, power supply, and other components may be 

very hot during normal operation. Be sure that they have had sufficient time to cool 
before you touch them.

 

NOTICE: 

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.

book.book  Page 163  Monday, October 6, 2008  11:28 AM