Dell Inspiron 22 3000 Series Service Manual page 121

Light pattern
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The computer may emit a series of beeps during start-up if the errors or
problems cannot be displayed. The repetitive beep codes help the user
troubleshoot problems with the computer.
Camera status light: Indicates whether the camera is in use.
• Solid white – Camera is in use.
• Off – Camera is not in use.
Problem description
CPU failure
LCD failure
Suggested solution
Replace the system board.
Replace the LCD.
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