Getting Started

Interpreting Diagnostic Lights and Audible Codes

This section covers the front panel LED codes as well as the audible codes that may occur before or during POST that do not necessarily have an error code or text message associated with them.

✎If you see flashing LEDs on a PS/2 keyboard, look for flashing LEDs on the front panel of the computer and refer to the following table to determine the front panel LED codes.

✎Recommended actions in the following table are listed in the order in which they should be performed.

Diagnostic Front Panel LEDs and Audible Codes

 

 

Possible

Recommended

Activity

Beeps

Cause

Action

 

 

 

 

Green Power LED

None

Computer on.

None

On.

 

 

 

 

 

 

 

Green Power LED

None

Computer in

None required. Press any

flashes every two

 

Suspend to RAM

key or move the mouse to

seconds.

 

mode (only on

wake the computer.

 

 

some models) or

 

 

 

normal Suspend

 

 

 

mode.

 

 

 

 

 

Getting Started

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