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Dell Optiplex Blinking Power Light Codes

Light Problem Resolution
Green Operating normally  
Blinking Green

The computer is in the suspended state (Microsoft® Windows® 2000 and Windows XP).

Press the power button, move the mouse, or press a key on the keyboard to wake the computer.

Blinks green several times and then turns off

 

A configuration error exists. Check "Diagnostic Lights"

 

 
Solid yellow

The Dell Diagnostics is running a

test, or a device on the system board

may be faulty or incorrectly installed.

 

Check "Diagnostic Lights" on page 23 to see if

the specific problem is identified

 

Blinking yellow

A power supply or system board failure has occurred.

 

Check "Diagnostic Lights" on page 23 to see if the specific problem is identified

 

Solid green and a beep code during POST

 

A problem was detected while the BIOS was executing.

 

See "Beep Codes" on page 26 for instructions on diagnosing the beep code. Also, check "Diagnostic Lights" on page 23 to see if the specific problem is identified

 

Solid green power light, no beep code and no video during POST

 

The monitor or the graphics card may be faulty or incorrectly installed

 

Check "Diagnostic Lights" on page 23 to see if the specific problem is identified.

 

Solid green power light and no beep code but the computer locks up during POST

 

An integrated system board device may be faulty.

 

Check "Diagnostic Lights" on page 23 to see if the specific problem is identified.

 

Primary Computer Service, Inc.
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Revised: 08/14/16