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Beep and no beep symptoms - ThinkPad General
Other error messages, codes, or symptoms
Error messages
Numeric error codes
Intermittent and undetermined problems
LCD related symptoms

If you are unable to find your particular symptom or error, please refer to Need more help?

Beep symptoms
Symptom or error Service part or action, in sequence
One beep and a blank, unreadable, or flashing LCD.
  1. Reseat the LCD connector
  2. LCD assembly
  3. External CRT
  4. System board
One long and two short beeps, and a blank or unreadable LCD.
  1. System board
  2. LCD assembly
  3. DIMM
Two short beeps with error codes.

POST error. See Numeric error codes for more help.

Two short beeps and a blank screen.
  1. System board
  2. DIMM
Three short beeps, pause, three more short beeps, and one short beep.
  1. DIMM
  2. System board
One short beep, pause, three short beeps, pause, three more short beeps, and one short beep.
  1. DIMM
  2. System board
Only a cursor appears. Reinstall the operating system
Four cycles of four short beeps and a blank screen. System board (Security chip)
Five short beeps and a blank screen. System board

No beep symptoms
Symptom or error Service part or action, in sequence
No beep, power-on indicator on, LCD blank, and no POST.
  1. Make sure every connector is connected tightly and correctly
  2. DIMM
  3. System board
No beep, power-on indicator on, and LCD blank during POST.
  1. Reseat DIMM
  2. System board
The power-on password prompt appears. A power-on password or a supervisor password is set. Type the password and press Enter.
The hard drive password prompt appears. A hard drive password is set. Type the password and press Enter.
The DOS full screen looks smaller. Start the ThinkPad Configuration program and set the Screen expansion function.

Need more help?
Please select one of the the following options for further assistance:

Customer Replaceable Unit (CRU) parts installation and removal movies
How to access the BIOS - ThinkPad General
Service parts list index
Troubleshooting
Submit a technical question
Contact your local technical Support Center


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