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Beep and no beep symptoms - ThinkPad General
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If you are unable to find your particular symptom or error, please refer to Need more help?
| One beep and a blank, unreadable, or flashing LCD. |
- Reseat the LCD connector
- LCD assembly
- External CRT
- System board
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| One long and two short beeps, and a blank or unreadable LCD. |
- System board
- LCD assembly
- DIMM
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| Two short beeps with error codes. |
POST error. See Numeric error codes for more help.
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| Two short beeps and a blank screen. |
- System board
- DIMM
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| Three short beeps, pause, three more short beeps, and one short beep. |
- DIMM
- System board
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| One short beep, pause, three short beeps, pause, three more short beeps, and one short beep. |
- DIMM
- System board
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| 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, power-on indicator on, LCD blank, and no POST. |
- Make sure every connector is connected tightly and correctly
- DIMM
- System board
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| No beep, power-on indicator on, and LCD blank during POST. |
- Reseat DIMM
- System board
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| 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. |
Please select one of the the following options for further assistance:
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| Applicable countries and regions |
| Worldwide |
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| Document id: MIGR-46018 |
| Last modified: 2008-02-22 |
| Copyright © 2010 IBM Corporation |
| Copyright © Lenovo 2010, all rights reserved |
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