Front View - Lenovo B490 User Manual

1
Combo audio jack
2
USB connectors
1
Combo audio jack
To listen to the sound from your computer, connect a headphone or a headset that has a 3.5 mm 4-pole
plug to the combo audio jack.
2 USB connectors
Connect devices compatible with a USB interface, such as a USB printer or a digital camera. For more
information, refer to "Using USB connectors" on page 19.
Note: The USB connectors are compatible with USB 1.1 and 2.0.
3 Optical drive
The optical drive reads optical discs.
4 ac power connector
The ac power adapter cable connects to the computer ac power connector to provide power to the
computer and charge the battery. For more information, refer to "Using the ac power adapter and the
battery pack" on page 11.

Front view

Figure 4. Front view
Note: Your computer might look different from the above illustration.
1
Status indicators
2
Built-in microphone
1 Status indicators
The status indicators show the current status of your computer. For more information, refer to "Status
indicators" on page 5.
2 Built-in microphone
The built-in microphone captures sound and voice when it is used with an application program capable
of handling audio.
3 Media card reader slot
For more information, refer to "Using the media card reader" on page 18.
4
User Guide
3
Optical drive
4
ac power connector
3
Media card reader slot