Post Error Codes - Lenovo 3000 K100 Hardware Maintenance Manual

POST error codes

Beep Symptom
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
Each time you power-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-On Self-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
Chapter 6. Symptom-to-FRU Index
FRU/Action
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 Setup Utility program
and press F7 to load defaults and
then press F10 to Save and exit.
See "Using the Setup Utility, "
2. Perform a Boot block recovery.
See "Recovering from a POST/BIOS
update failure"
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.