Dell Inspiron 27 7775 Inspiron 27 7000 Service Manual - Page 138

Diagnostics

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Identifier GUID-A88CF4BC-F775-4FAF-97B9-77C8D75E67A3 Status Released Diagnostics Power status light: Indicates the power status. Solid Amber - The computer is unable to boot to the operating system. This indicates that the power supply or another device in the computer is failing. Blinking Amber - The computer is unable to boot to the operating system. This indicates that the power supply is normal but another device in the computer is failing or not installed properly. NOTE: See the light patterns to determine the device that is failing. Off - Computer is in hibernation or turned off. The power status light blinks amber along with beep codes indicating failures. For example, the power 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 the Recovery image is not found. The following table shows different light patterns and what they indicate: Table 13. System diagnostic lights Light pattern Problem description 1 System board, BIOS corruption, or ROM error 3 System board, Chipset error, Clock failure, Gate A20 failure, Super I/O failure, or Keyboard controller failure 4 Memory or RAM failure 5 Coin-cell battery failure 6 GPU failure 7 CPU failure 8 Display failure 3,6 BIOS recovery image not found 138

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Identifier
GUID-A88CF4BC-F775-4FAF-97B9-77C8D75E67A3
Status
Released
Diagnostics
Power status light:
Indicates the power status.
Solid Amber
– The computer is unable to boot to the operating system. This indicates
that the power supply or another device in the computer is failing.
Blinking Amber
– The computer is unable to boot to the operating system. This
indicates that the power supply is normal but another device in the computer is failing
or not installed properly.
NOTE: See the light patterns to determine the device that is failing.
Off
– Computer is in hibernation or turned
off.
The power status light blinks amber along with beep codes indicating failures.
For example, the power 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 the Recovery image is not found.
The following table shows
different
light patterns and what they indicate:
Table 13. System diagnostic lights
Light pattern
Problem description
1
System board, BIOS corruption, or ROM error
3
System board, Chipset error, Clock failure, Gate
A20 failure, Super I/O failure, or Keyboard
controller failure
4
Memory or RAM failure
5
Coin-cell battery failure
6
GPU failure
7
CPU failure
8
Display failure
3,6
BIOS recovery image not found
138