Diagnostics
Power and battery-status light/hard-drive activity light:
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.
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.
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 what they indicate.
Table 3. 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
111
Summary of Contents for Inspiron 15 3000 Series
Page 24: ...6 Lift the keyboard off the palm rest assembly 24 ...
Page 28: ...6 Remove the two screws M2x5 that secure the base cover to the palm rest assembly 28 ...
Page 30: ...9 Remove the optical drive interposer 30 ...
Page 35: ...35 ...
Page 39: ...6 Lift the hard drive off the hard drive bracket 39 ...
Page 42: ...2 Slide and remove the memory module from the memory module slot 42 ...
Page 46: ...4 Slide and remove the wireless card from the wireless card slot 46 ...
Page 52: ...7 Note the power button board cable routing and peel it off the palm rest assembly 52 ...
Page 54: ...4 Replace the battery 54 ...
Page 59: ...4 Lift the I O board off the palm rest assembly 59 ...
Page 62: ...62 ...
Page 65: ...2 Lift the heat sink off the system board Integrated Eight screws Discrete Four screws 65 ...
Page 68: ...3 Lift the fan off the palm rest assembly 68 ...
Page 71: ...71 ...
Page 77: ...14 Lift the system board off the palm rest assembly 77 ...
Page 81: ...3 Lift the touch pad bracket off the palm rest assembly 81 ...
Page 82: ...4 Lift the touch pad off the palm rest assembly 82 ...
Page 85: ...3 Lift the power adapter port off the palm rest assembly 85 ...
Page 90: ...7 Open the palm rest assembly at an angle and slide it off the display assembly 90 ...
Page 97: ...5 Lift the display panel off the display back cover and antenna assembly 97 ...
Page 100: ...3 Lift the camera off the display back cover and antenna assembly 100 ...
Page 103: ...2 Carefully lift the display hinges off the display back cover and antenna assembly 103 ...
Page 106: ...106 ...
Page 109: ...109 ...