Dell Vostro 330 (Early 2011) - Manual (Page 136)

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Dell Vostro 330 Owner's Manual
Diagnostic Beep Codes
No POST with three beeps is accompanied by a blinking amber power LED. All other beep codes will be accompanied by
a solid white power LED. Refer to the table below for each scenario.
Power LED Status Beep Description Failure Coverage
1 BIOS ROM checksum in progress or
failure. BIOS Chip System board failure, covers BIOS
corruption or ROM error
2 No RAM Detected Memory failure
3 Chipset Error (North and South Bridge
Chipset, DMA/IMR/Timer Error for Intel
platform); Chipset Error System board Failure
Time-Of-Day Clock test failure.
Gate A20 failure
Super I/O chip failure
Keyboard controller test failure.
4 RAM Read/Write failure Memory failure
5 RTC Power Fail COMS battery failure
6 Video BIOS Test Failure Video card failure
7 CPU Failure CPU