Diagnostic Beep Codes - Dell Vostro 260 Owner's Manual

Power LED Light Status
Steady Amber
Steady White

Diagnostic Beep Codes

Beep
1
2
3
56
Possible Cause
Computer is in standby or
this is a computer fault
error condition, including
the power supply. Only the
+5VSB rail on the power
supply is working correctly.
The computer is fully
functional and in the On
state.
Possible Cause
BIOS ROM checksum in
progress of failure.
No RAM detected
• Chipset Error (North
and South Bridge
Chipset, DMA/IMR/
Timer Error for Intel
platform); Chipset Error
• Time-Of-Day Clock test
failure
• Gate A20 failure
• Super I/O chip failure
Troubleshooting Steps
• Press the power button
to bring the computer
out of standby mode.
• Ensure all power cables
are securely connected
to the system board.
• Ensure the main power
cable and front panel
cable are securely
connected to the
system board.
If the computer is not
responding, do the
following:
• Ensure the display is
connected and turned
on.
• If the display is
connected and turned
on, listen for a beep
code.
Troubleshooting Steps
System board failure,
covers BIOS corruption or
ROM error
No memory detected
System board Failure