POST Error Messages
POST Diagnostic Front Panel LEDs 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 |
|
Activity | Beeps | Cause | Recommended Action |
|
|
|
|
Green Power LED | None | Computer on. | None |
On. |
|
|
|
|
|
|
|
Green Power LED | None | Computer in | None required. Press any key or move |
flashes every two |
| Suspend to | the mouse to wake the computer. |
seconds. The Power |
| RAM mode |
|
LED will continue |
| (some models |
|
flashing until the |
| only) or |
|
problem is |
| normal |
|
resolved. |
| Suspend |
|
|
| mode. |
|
|
|
|
|
Troubleshooting Guide |