Filter
Top Products
6 Troubleshooting
156
BIOS POST Beep Codes
The table below lists the POST error beep codes. Prior to system video
initialization, the BIOS uses these beep codes to inform users of error
conditions. Please note that not all error conditions are supported by
BIOS beep codes.
POST Error Beep Codes
In addition to the beep codes above, additional beep codes are
provided if an Acer® Intelligent Management Module is installed. The
Power
LED
Identify the
power state
of the system
Control Panel Green • Off =
Power is
off (off or
S5)
•On =
Power on
or S0)
•Slow
Blink =
Low
power
state (S1 –
S3)
Number of
Beeps
Reason for the beeps and action to take
1, 2, or 3 Memory error. Reseat the memory or replace the DIMMs
with known good modules.
4 – 7 or 9 – 11 Fatal error indicating a possible serious system problem.
Remove all add-in cards and re-start the system. If the
error still occurs, contact your system manufacturer. If the
beep codes are not generated after the add-in cards are
removed, insert the cards one at a time, booting the sys-
tem between each card addition, until the beeps again
occur to reveal the malfunctioning card.
8 Replace or reseat the system video add-in card. If on-board
video is bing used, the server board may be faulty.
Name Function Location Color Notes