Getting Started
Interpreting Diagnostic Lights and Audible Codes
This section covers the front panel light (LED) codes as well as the audible codes that may occur before or during the
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 Lights (LEDs) and Audible Codes
Activity | Beeps | Possible Cause | Recommended Action |
|
|
|
|
Green Power LED | None | Computer on. | None |
On. |
|
|
|
|
|
| |
Green Power LED | None | Computer in Suspend None | |
flashes every two |
| to RAM mode (select |
|
seconds. |
| models only) or |
|
|
| normal Suspend |
|
|
| mode. |
|
Green Power LED None flashes four times, once per second.
Computer in Suspend None to Disk or “Hibernate” mode.
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