Dell Inspiron 15 7572 Inspiron 15 7000 Service Manual - Page 62

Running the ePSA diagnostics, Diagnostics

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For more information, see Dell EPSA Diagnostic 3.0. Running the ePSA diagnostics 1. Power-on the computer. 2. As the computer boots, press the F12 key as the Dell logo appears. 3. On the boot menu screen, select the Diagnostics option. 4. Click the arrow key at the bottom left corner. Diagnostics front page is displayed. 5. Press 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/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 14. Diagnostics Light Pattern 2,1 2,2 2,3 2,4 2,5 2,6 2,7 3,1 3,2 3,3 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 62 Troubleshooting

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For more information, see
Dell EPSA Diagnostic 3.0
.
Running the ePSA diagnostics
1.
Power-on the computer.
2.
As the computer boots, press the F12 key as the Dell logo appears.
3.
On the boot menu screen, select the
Diagnostics
option.
4.
Click the arrow key at the bottom left corner.
Diagnostics front page is displayed.
5.
Press 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/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 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
62
Troubleshooting