Post Error Messages
POST Diagnostic Keyboard LEDs, Front Panel LEDs and Audible Codes
This section covers the keyboard and front panel LED codes as well as the audible codes that may occur during POST that do not necessarily have an error code or text message associated with them.
✎If your system is equipped with a Universal Serial Bus (USB) keyboard, you may hear the beep sequences for some of the keyboard light error codes, but you may not see the flashing keyboard lights.
Diagnostic Keyboard LEDS, Front Panel LEDs and Audible Codes
Activity | Beeps | Probable Cause | Recommended Action |
Audible | 1L, 3S* | System ROM is bad; |
|
| system is running |
|
| in Failsafe Boot |
|
| Block mode. |
Reflash the ROM using a ROMPaq diskette. See the “Failsafe Boot Block ROM” section of the Desktop Management Guide.
Flashing Caps | 1L, 2S* | Graphics controller not |
Lock LED on |
| present or incorrectly |
Keyboard. |
| initialized. |
1.Clear CMOS.
2.If graphics card has been added, remove and reseat.
3.Reseat riser board if applicable.
*L = Long, S = Short
Troubleshooting Guide |
