System Diagnostic Lights - Dell Vostro 3515 2V448 Service Manual

8. If there are any issues, error codes are displayed.
Note the error code and validation number and contact Dell.
SupportAssist diagnostic User Interface
SupportAssist diagnostic User Interface
About this task
This section contains information on Support Assist Basic and Advanced Screen.
SupportAssist opens the basic screen on start. You can switch to the advanced screen using the icon at the bottom left of
the screen. The advanced screen shows detected devices in a tiled format. Specific tests can be included or excluded only
in the advanced mode. The Basic Screen has minimal controls which allows easy navigation for the user to start or stop the
diagnostics.

System diagnostic lights

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% charge.
Amber—Computer is running on battery and the battery has less than 5% charge.
Off
● Power adapter is connected, and the battery is fully charged.
● Computer is running on battery, and the battery has more than 5% 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 power and battery-status light patterns and associated problems.
Table 9. LED codes
Diagnostic light codes
1,3
1,4
2,1
2,3
2,4
2,7
2,8
90 Troubleshooting
Problem description
Short in hinge cable tripped OCP1
Short in hinge cable tripped OCP2
Processor failure
No memory or RAM (Random-Access Memory)
detected
Memory or RAM (Random-Access Memory)
failure
LCD failure - SBIOS message
LCD failure - EC detection of power rail failure
Recommended solutions
Check if the display cable (EDP) is seated
properly or pinched at the hinges. If problem
persists, replace either display cable (EDP) or
display assembly (LCD).
Check if the display cable (EDP) is seated
properly or pinched at the hinges. If problem
persists, replace either display cable (EDP) or
display assembly (LCD).
Run the Intel CPU diagnostics tools. If
problem persists, replace the system board.
Confirm that the memory module is installed
properly. If problem persists, replace the
memory module.
Reset and swap memory modules amongst
the slots. If problem persists, replace the
memory module.
Replace display cable (EDP) if possible,
otherwise replace the display assembly
(LCD).
Replace the system board.