Beep and No beep symptoms - ThinkPad T510, T510i, W510
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| One beep and a blank, unreadable, or flashing LCD. | - Reseat the LCD connector.
- LCD assembly.
- External CRT.
- System board.
| | One long and two short beeps, and a blank or unreadable LCD. | - System board.
- LCD assembly.
- DIMM.
| | Two short beeps with error codes. | Click here to diagnose the error code | | Two short beeps and a blank screen. | - System board.
- DIMM.
| | Three short beeps, pause, three more short beeps, and one short beep. | - DIMM.
- System board
| | One short beep, pause, three short beeps, pause, three more short beeps, and one short beep. | | Only the 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 |
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| No beep, power-on indicator on, LCD blank, and no POST. | - Make sure that every connector is connected tightly and correctly.
- DIMM.
- System board.
| | No beep, power-on indicator on, and LCD blank during POST. | - Reseat DIMM.
- 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-disk password prompt appears. | A hard-disk password is set. Type the password and press Enter. |
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| Country Availability |
| Available | Worldwide
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Document ID
: HT001739
Legacy Document ID
: MIGR-74394
Last Updated
:
Copyright © Lenovo 2013, all rights reserved
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