Dell Inspiron 14 5485 2-in-1 Inspiron 5485 2-in-1 Service Manual - Page 74

Running the ePSA diagnostics, Diagnostics

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NOTE: Some tests for specific devices require user interaction. Always ensure that you are present at the computer terminal when the diagnostic tests are performed. Running the ePSA diagnostics 1 Turn on your computer. 2 As the computer boots, press the F12 key before the Dell logo appears. 3 On the boot menu screen, select the Diagnostics option. 4 Click the arrow at the bottom left corner. Diagnostics front page is displayed. 5 Click the arrow in the lower-right corner to go to the page listing. The items detected are listed. 6 To run a diagnostic test on a specific device, press Esc and click Yes to stop the diagnostic test. 7 Select the device from the left pane and click Run Tests. 8 If there are any issues, error codes are displayed. Note the error code and validation number and contact Dell. Diagnostics Power and battery-status light: Indicates the power state and battery state of the computer. Solid white - Power adapter is connected and the battery is charging. Solid amber - Battery charge is low or critical. Off - Battery is fully charged. 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 8. 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/video card failure Recovery image not found Recovery image found but invalid 74 Troubleshooting

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NOTE:
Some tests for
specific
devices require user interaction. Always ensure that you are present at the computer terminal
when the diagnostic tests are performed.
Running the ePSA diagnostics
1
Turn on your computer.
2
As the computer boots, press the F12 key before the Dell logo appears.
3
On the boot menu screen, select the
Diagnostics
option.
4
Click the arrow at the bottom left corner.
Diagnostics front page is displayed.
5
Click the arrow in the lower-right corner to go to the page listing.
The items detected are listed.
6
To run a diagnostic test on a
specific
device, press Esc and click
Yes
to stop the diagnostic test.
7
Select the device from the left pane and click
Run Tests
.
8
If there are any issues, error codes are displayed.
Note the error code and validation number and contact Dell.
Diagnostics
Power and battery-status light:
Indicates the power state and battery state of the computer.
Solid white
– Power adapter is connected and the battery is charging.
Solid amber
– Battery charge is low or critical.
Off
– Battery is fully charged.
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 8. 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/video card failure
3,3
Recovery image not found
3,4
Recovery image found but invalid
74
Troubleshooting