DELL U7021 ユーザーズマニュアル

Removing and Installing Parts

69

Front and Back View of the Computer

Front View

2

1

3

4

1

hard-drive activity light

The hard-drive light is on when the computer reads data from or writes data to the 
hard drive. The light might also be on when a device such as your CD player is 
operating.

2

power button

Press to turn on the computer.

 

NOTICE: 

To avoid losing data, do not use the power button to turn off the 

computer. Instead, perform an operating system shutdown.

3

drive door

Open the drive door to access the floppy and CD/DVD drives.

4

front-panel door

Open the door to use the front-panel connectors.

NOTE: 

The front door is removable; if you remove it or accidentally knock it off its 

hinges, it snaps back in place. For instructions on how to reattach the door, see 
page 111.