Service Manual
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... completes POST, the Num Lock light may remain on, depending on your computer. If the computer malfunctions the individual lights display a status of either not detected during the operating system setup or is either On , Off , or Flashing . l If available, ...persists, contact Dell Support. Back to Contents Page Troubleshooting Dell™ Latitude™ E5400 and E5500 Service Manual Troubleshooting Tools Solving Problems Troubleshooting Tools Diagnostic Lights CAUTION: Before you can use the status of the lights to help identify the problem. Diagnostic Light Codes During ...
... completes POST, the Num Lock light may remain on, depending on your computer. If the computer malfunctions the individual lights display a status of either not detected during the operating system setup or is either On , Off , or Flashing . l If available, ...persists, contact Dell Support. Back to Contents Page Troubleshooting Dell™ Latitude™ E5400 and E5500 Service Manual Troubleshooting Tools Solving Problems Troubleshooting Tools Diagnostic Lights CAUTION: Before you can use the status of the lights to help identify the problem. Diagnostic Light Codes During ...