Service Manual
5. Klik på pilen i nederste højre hjørne for gå til listen over sider.
De registrerede punkter angives.
6. Hvis du vil køre en diagnosticeringstest på en bestemt enhed, tryk på Esc og klik på Yes (Ja) for at stoppe diagnosticeringstesten.
7. Vælg enheden fra venstre rude og klik på Run Tests (Kør tests).
8. Hvis der er problemer,,vises fejlkoder.
Notér fejlkoden og valideringsnummeret, og kontakt Dell.
System diagnostic lights
Power and battery-status light
Indicates the power and battery-charge status.
Solid white—Power adapter is connected and the battery has more than 5 percent charge.
Solid amber—Computer is running on battery and the battery has less than 5 percent charge.
Off
• Power adapter is connected and the battery is fully charged.
• Computer is running on battery and the battery has more than 5 percent charge.
• Computer is in sleep state, hibernation, or turned off.
The power and battery-status light blinks amber along with beep codes indicating failures.
For example, the power and battery-status light blinks amber two times followed by a pause, and then blinks white three times followed by
a pause. This 2,3 pattern continues until the computer is turned off indicating no memory or RAM is detected.
The following table shows different power and battery-status light patterns and associated problems.
Table 15. Diagnostics
Light pattern Problem description
2,1 CPU failure
2,2 System board: BIOS and ROM failure
2,3 No memory or RAM detected
2,4 Memory or RAM failure
2,5 Invalid memory installed
2,6 System board or chipset error
2,7 LCD failure
3,1 CMOS battery failure
3,2 PCI or video card or chip failure
3,3 Recovery image not found
3,4 Recovery image found but invalid
4,1 AC adapter connected but battery switch is OFF
Camera status light: Indicates whether the camera is in use.
• Solid white—Camera is in use.
• Off—Camera is not in use.
Caps Lock status light: Indicates whether Caps Lock is enabled or disabled.
• Solid white—Caps Lock enabled.
• Off—Caps Lock disabled.
Frigivelse af statisk elektricitet
Statisk elektricitet er den resterende statiske elektricitet, der forbliver på computeren, selv efter at den er slukket, og batteriet er blevet
fjernet. Følgende procedure indeholder instruktioner om, hvordan du frigiver statisk elektricitet:
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Fejlfinding