Lenovo 4221 Laptop User Manual


 
Diagnostic Error Code FRU/Action
305-000-XXX Monitor DDC Test Passed
No action
305-250-XXX Monitor DDC self test failure 1. Run the Setup Utility program to enable DDC.
2. Cable
3. Monitor
4. Video card
5. System board
415-000-XXXModem Test Passed No action
415-XXX-XXX Modem error Remove the Modem and re-test the system.
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.
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 39
.
2. Start the 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 166.
1 long and 2 short beeps Monitor or video adapter card
error
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.
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 F7 to load
defaults and then press F10 to Save and exit. See
Chapter 6 “Using the Setup Utility program” on page
39
.
2. Perform a Boot block recovery. See “Recovering
from a POST/BIOS update failure” on page 166
.
3. Replace the system board.
Continuos long 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.
Chapter 8. Symptom-to-FRU Index 63