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No beep symptoms - ThinkPad Edge 14, Edge 15, E40, E50
No-beep symptoms
Symptom or errorFRU or action, in sequence
No beep, power-on indicator on, LCD blank, and no POST.
  1. Make sure that 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-disk password prompt appears.A hard-disk password is set. Type the password and press Enter.


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Document ID : HT002206
Legacy Document ID : MIGR-75189
Last Updated :
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