Beep Symptoms - Lenovo ThinkCentre 8290 Hardware Maintenance Manual

Beep symptoms

Beep symptoms are tones or a series of tones separated by pauses (intervals
without sound) during POST.
The following table 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 3 short beeps
Keyboard error
1 long and 9 short beeps BIOS ROM error
Continuos long beeps
DRAM memory error
FRU/Action
Perform the following actions in order.
1. Start the CMOS Setup Utility program
and press F10 to Save and exit. See
Chapter 6, "Using the CMOS Setup
Utility," on page 51.
2. Start the CMOS Setup Utility program
and press F7 to load defaults and then
press F10 to Save and exit.
3. Perform a Boot block recovery. See
"Recovering from a POST/BIOS update
failure" on page 184.
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. Make sure the keyboard is properly
connected to the keyboard connector.
2. Replace the keyboard.
3. Replace the system board.
Perform the following actions in order.
1. Start the CMOS Setup Utility program
and press F7 to load defaults and then
press F10 to Save and exit. See Chapter 6,
"Using the CMOS Setup Utility," on
page 51.
2. Perform a Boot block recovery. See
"Recovering from a POST/BIOS update
failure" on page 184.
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.