Dell Vostro 5480 소유자 매뉴얼 - 페이지 34

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페이지 인쇄

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%

Troubleshooting

Off/Hibernate

Off

Solid White

Off

Standby

Off

Solid White

Off

Blinking White