Tower (TWR) front panel components
Drive configuration may vary by model. Some models have a bezel blank covering one or more drive
bays.
1
5.25-inch Half-Height Drive Bay (behind bezel)
6
Hard Drive Activity Light
2
USB 2.0 Ports (black)
7
Slim Optical Drive (optional)
3
USB 3.0 Ports (blue)
8
3.5-inch Media Card Reader (optional)
4
Headphone Connector
9
Microphone/Headphone Connector
5
Dual-State Power Button
NOTE:
When a device is plugged into the Microphone/Headphone Connector, a dialog box will pop up asking if
you want to use the connector for a microphone Line-In device or a headphone. You can reconfigure the connector
at any time by double-clicking the Audio Manager icon in the Windows taskbar.
NOTE:
The Power On Light is normally white when the power is on. If it is flashing red, there is a problem with the
computer and it is displaying a diagnostic code. Refer to the
Maintenance and Service Guide
to interpret the code.
Tower (TWR) front panel components
3