Lenovo ThinkPad Edge E330 Hardware Maintenance Manual - Page 41
Error messages, No-beep symptoms, LCD-related symptoms, Important, Notes
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Table 1. Numeric error codes (continued) Symptom or error (beeps, if any) 0271 Date and time error-Neither the date nor the time is set in the computer. (two short beeps) 1802 Unauthorized network card is plugged in-Turn off and remove the miniPCI network card. (two short beeps) FRU or action, in sequence Run the ThinkPad Setup program to reset the time and date. 1. Remove the Mini PCI network card. 2. System board. Error messages Table 2. Error messages Symptom or error (beeps, if any) Fan error. (four short beeps, one long beep) The battery installed is not supported by this system and will not charge. Please replace the battery with the correct Lenovo battery for this system. Press the ESC key to continue. FRU or action, in sequence 1. Fan. 2. Thermal grease. 3. System board. Replace the battery. No-beep symptoms Table 3. No-beep symptoms Symptom or error No beep, power-on indicator on, LCD blank, and no POST. No beep, power-on indicator on, and LCD blank during POST. The power-on password prompt appears. The hard-disk password prompt appears. FRU or action, in sequence 1. Make sure that every connector is connected tightly and correctly. 2. DIMM. 3. System board. 1. Reseat DIMM. 2. System board. A power-on password or a supervisor password is set. Type the password and press Enter. A hard-disk password is set. Type the password and press Enter. LCD-related symptoms Important: The TFT LCD for the notebook computer contains many thin-film transistors (TFTs). The presence of a small number of dots that are missing, discolored, or always lighted is characteristic of TFT LCD technology, but excessive pixel problems can cause viewing concerns. If the LCD you are servicing has two or less visible defective pixels, it should not be considered faulty. However, if the LCD has three or more visible defective pixels, it will be deemed as defective by Lenovo and it should be replaced. Notes: • This policy applies to all ThinkPad notebooks purchased on 1 January, 2008 or later. • Lenovo will not provide replacement if the LCD is within specification as we cannot guarantee that any replacement LCD will have zero pixel defects. Chapter 4. Related service information 35