Beep Symptoms - Lenovo ThinkCentre A70 7099 Hardware Maintenance Manual

Beep symptoms

Beep symptoms are tones or a series of tones separated by pauses (intervals
without sound) during POST.
The following tables describes beep symptoms.
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Hardware Maintenance Manual
Beep Symptom
2 short beeps
CMOS setting error
1 long and 2 short beeps
Monitor or video adapter card error
1 long and 9 short beeps
BIOS ROM error
Continuous long beeps
DRAM memory error
FRU/Action
Perform the following actions in order.
1. Start the Setup Utility program and press
F10 to Save and exit. See Chapter 6,
"Using the Setup Utility," on page 49.
2. Start the Setup Utility program and press
F9 to load defaults and then press F10 to
Save and exit.
3. Perform a Boot-block recovery. See
"Recovering from a POST and BIOS
update failure" on page 181.
Perform the following actions in order.
1. Make sure the monitor is properly
connected to the computer.
2. Replace the video adapter card (if
present).
3. Replace the system board.
Perform the following actions in order.
1. Start the Setup Utility program and press
F9 to load defaults and then press F10 to
Save and exit. See Chapter 6, "Using the
Setup Utility," on page 49.
2. Perform a Boot-block recovery. See
"Recovering from a POST and BIOS
update failure" on page 181.
3. Replace the system board.
Perform the following actions in order.
1. Make sure the memory module(s) are
properly seated in the connector(s).
2. Replace the memory module(s).
3. Replace the system board.