Dell Inspiron 5570 Inspiron 15 5000 Service Manual - Page 97

Flea power release

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Indicates the battery-charge status or the hard-drive activity. NOTE: Press Fn+H to toggle this light between power and battery-status light and hard-drive activity light. Hard-drive activity light Turns on when the computer reads from or writes to the hard drive. NOTE: Hard-drive activity light is supported only on computers shipped with hard drive. 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. 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 NOTE: Hard-drive activity light is supported only on computers shipped with hard drive. 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 light patterns and describes what they indicate. Table 14. Diagnostics Light pattern 2,1 2,2 2,3 2,4 2,5 2,6 2,7 3,1 3,2 3,3 3,4 Problem description CPU failure System board: BIOS and ROM failure No memory or RAM detected Memory or RAM failure Invalid memory installed System board or chipset error LCD failure CMOS battery failure PCI or video card or chip failure Recovery image not found Recovery image found but invalid 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. Flea power release Flea power is the residual static electricity that remains on the computer even after it has been powered off and the battery has been removed. The following procedure provides the instructions on how to conduct flea power release: 1. Turn off your computer. Troubleshooting 97

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Indicates the battery-charge status or the hard-drive activity.
NOTE:
Press Fn+H to toggle this light between power and battery-status light and hard-drive activity light.
Hard-drive activity light
Turns on when the computer reads from or writes to the hard drive.
NOTE:
Hard-drive activity light is supported only on computers shipped with hard drive.
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.
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
NOTE:
Hard-drive activity light is supported only on computers shipped with hard drive.
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 light patterns and describes what they indicate.
Table 14. 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
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.
Flea power release
Flea power is the residual static electricity that remains on the computer even after it has been powered off and the battery has been
removed. The following procedure provides the instructions on how to conduct flea power release:
1.
Turn off your computer.
Troubleshooting
97