Beep Symptoms - Lenovo M55p - ThinkCentre - 8808 Hardware Maintenance Manual

Diagnostic Error Code
217-28X-XXX 217-29X-XXX Hard Disk Drive (SCSI) error
220-000-XXX Hi-Capacity Cartridge Drive Test Passed
220-XXX-XXX Hi-Capacity Cartridge Drive error
301-XXX-XXX Keyboard error
301-000-XXX Keyboard Test Passed
302-000-XXX Mouse Test Passed
302-XXX-XXX Mouse error
303-000-XXX Joystick Test Passed
303-XXX-XXX Joystick error
305-000-XXX Monitor DDC Test Passed
305-250-XXX Monitor DDC self test failure
415-000-XXXModem Test Passed
415-XXX-XXX Modem error

Beep symptoms

Beep symptoms are tones or a series of tones separated by pauses (intervals without sound) See the
following examples.
1-2-X
4
When a recoverable error occurs during POST, BIOS displays an error code on the video display describing
the problem. If a video failure is detected, BIOS also issues a beep code (one long tone followed by two
short tones) during POST.
70
Hardware Maintenance Manual
FRU/Action
1. Hard Disk Drive Cable
2. Check power supply voltages
3. Reseat the hard disk drive cable
4. Hard Disk drive (SCSI)
5. SCSI adapter card
6. System board
No action
1. Remove the Hi-Capacity Cartridge Drive and
re-test the system
1. Keyboard
2. Check and test mouse
3. System board
No action
No action
1. Mouse
2. Check and test Keyboard
3. System board
No action
Remove the Joystick and re-test the system
No action
1. Run Setup to enable DDC
2. Cable
3. Monitor
4. Video card
5. System board
No action
Remove the Modem and re-test the system
• One beep
• A pause (or break)
• Two beeps
• A pause (or break)
• Any number of breaks
Four continuous beeps