Dell Vostro 3560 (Early 2012) - Manual (Page 62)

Turns on steadily or blinks to indicate battery charge status.
Turns on when wireless networking is enabled.
Battery Status Lights
If the computer is connected to an electrical outlet, the battery light operates as follows:
Alternately blinking amber light and white
light An unauthenticated or unsupported non-Dell AC adapter is attached to
your laptop.
Alternately blinking amber light with steady
white light Temporary battery failure with AC adapter present.
Constantly blinking amber light Fatal battery failure with AC adapter present.
Light off Battery in full charge mode with AC adapter present.
White light on Battery in charge mode with AC adapter present.
Diagnostic Beep Codes
The following table shows the possible beep codes that may be emitted by the computer when your computer is unable
to complete a power on self test.
Table 7. Diagnostic Beep Codes
Beep Description Possible Cause/Troubleshooting
Steps
1 BIOS ROM checksum in progress of
failure. System board failure, covers BIOS
corruption or ROM error
2 No RAM detected If no memory is detected, you can
perform the following steps
• reseat the memory if an
additional memory is available
• install that memory if the
issue persists
• issue with the memory
connector
3
• Chipset Error (North and
South Bridge Chipset,
DMA/IMR/Timer Error)
• Time-Of-Day Clock test failure
• Gate A20 failure
• Super I/O chip failure
• Keyboard controller test
failure
System board failure
4 RAM Read/Write failure If no memory is detected, you can
perform the following steps
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