Dell Inspiron 14 3420 - Before You Begin; Recommended Tools

5. Right microphone
Provides digital sound input for audio recording and voice calls.
6. LCD panel
Provides visual output to the user.
Bottom
1. Speaker one
Provides audio output.
2. Speaker two
Provides audio output.
3. Service Tag and regulatory labels
The Service Tag is a unique alphanumeric identifier that enables Dell service technicians to identify the hardware
components in your computer and access warranty information. The regulatory label contains regulatory information of
your computer.
Service Tag
The service tag is a unique alphanumeric identifier that allows Dell service technicians to identify the hardware components in
your computer and access warranty information.
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