The following tables describes beep symptoms.

Beep Symptom

FRU/Action

 

 

2 short beeps CMOS setting error

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

 

 

program” on page 37.

 

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/BIOS update failure” on page 106.

 

 

1 long and 2 short beeps Monitor or video adapter card

Perform the following actions in order.

error

1.

Make sure the monitor is properly connected to the

 

 

 

computer.

 

2.

Replace the video adapter card (if present).

 

3.

Replace the system board.

 

 

1 long and 3 short beeps Keyboard error

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.

 

 

1 long and 9 short beeps BIOS ROM error

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 program” on page

 

 

37.

 

2.

Perform a Boot block recovery. See “Recovering

 

 

from a POST/BIOS update failure” on page 106.

 

3.

Replace the system board.

 

 

1-3-3-1 short beeps DRAM memory error

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.

 

 

 

POST error codes

Each time you Turn on the system, it performs a series of tests that check the operation of the system and some options. This series of tests is called the Power-OnSelf-Test, or POST. POST does the following operations.

Checks some basic system-board operations

Checks the memory operation

Starts the video operation

Verifies that the boot drive is working

If the POST detects a problem, an error message appears on the screen. A single problem can cause several error messages to appear. When you correct the cause of the first error message, the other error messages probably will not appear on the screen the next time you turn on the system.

50ThinkStation Hardware Maintenance Manual

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Lenovo 4229, 4223, 4228 manual Post error codes, Beep Symptom FRU/Action, Long and 3 short beeps Keyboard error

4229, 4223, 4228 specifications

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