Chapter 4: Troubleshooting; Enhanced Pre-Boot System Assessment - Epsa Diagnostics; Battery Status Light - Dell Vostro 5480 Owner's Manual

The following section describes common troubleshooting steps that can be performed to resolve certain problems on your
computer.
Topics:
• Enhanced Pre-Boot System Assessment — ePSA diagnostics
•

Battery status light

• Device status lights
• LED Error Codes
Enhanced Pre-Boot System Assessment — ePSA
diagnostics
About this task
The ePSA diagnostics (also known as system diagnostics) performs a complete check of your hardware. The ePSA is embedded
with the BIOS and is launched by the BIOS internally. The embedded system diagnostics provides a set of options for particular
devices or device groups allowing you to:
The ePSA diagnostics can be initiated by the FN+PWR buttons while powering on the computer.
● Run tests automatically or in an interactive mode
● Repeat tests
● Display or save test results
● Run thorough tests to introduce additional test options to provide extra information about the failed device(s)
● View status messages that inform you if tests are completed successfully
● View error messages that inform you of problems encountered during testing
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.
Battery status light
Table 5. Battery LED Behavior
Battery Charge LED
AC mode Full charge
Charging
Battery mode Discharging when Battery charge
is > 10%
Discharging when Battery charge
is <=10%
34 Troubleshooting
Troubleshooting
Off/Hibernate
Off
Solid White
Off
Off
Standby
Off
Solid White
Off
Blinking White
4