Table A-1 Diagnostic Front Panel LEDs and Audible Codes (continued)
Activity | Beeps | Possible Cause | Recommended Action | |
|
|
|
|
|
iteration but LEDs continue |
|
|
| hard drive). Power on the system. If the |
until problem is solved. |
|
|
| system enters the POST, then power off |
|
|
|
| and replace the device to see if the problem |
|
|
|
| is resolved. |
|
|
| 3. | Replace the power supply. |
|
|
| 4. | Replace the system board. |
|
|
|
| |
Red Power LED flashes five | 5 | CAUTION: To avoid damage to the SODIMM | ||
times, once every second, |
|
| or the system board, you must unplug the | |
followed by a two second |
|
| computer power cord before attempting to | |
pause. Beeps stop after fifth |
|
| reseat, install, or remove a SODIMM module. | |
iteration but LEDs continue |
|
| 1. | Reseat SODIMM. |
until problem is solved. |
|
| ||
|
|
|
| |
|
|
| 2. | Replace SODIMM. |
|
|
| 3. | Replace |
|
|
|
| memory. |
|
|
| 4. | Replace the system board. |
|
|
|
|
|
Red Power LED flashes six | 6 | 1. | Unplug the power cord. Press the CMOS | |
times, once every second, |
|
|
| reset button. Install the FDO jumper to |
followed by a two second |
|
|
| disable ME (or remove the FDO jumper to |
pause. Beeps stop after fifth |
|
|
| disable ME if it was installed). |
iteration but LEDs continue |
|
| 2. | Replace the system board. |
until problem is solved. |
|
| ||
|
|
|
| |
|
|
|
| |
Red Power LED flashes | 7 | System board failure | Replace the system board. | |
seven times, once every |
| (ROM detected failure |
|
|
second, followed by a two |
| prior to video). |
|
|
second pause. Beeps stop |
|
|
|
|
after fifth iteration but LEDs |
|
|
|
|
continue until problem is |
|
|
|
|
solved. |
|
|
|
|
|
|
|
|
|
Red Power LED flashes eight | 8 | Invalid ROM based on | 1. | Reflash the system ROM with the latest |
times, once every second, |
| bad checksum. |
| BIOS image. |
followed by a two second |
|
| 2. | Replace the system board. |
pause. Beeps stop after fifth |
|
| ||
iteration but LEDs continue |
|
|
|
|
until problem is solved. |
|
|
|
|
|
|
|
|
|
Red Power LED flashes nine | 9 | System powers on but is | 1. | Replace the processor. |
times, once every second, |
| unable to boot. | 2. | Replace the system board. |
followed by a two second |
|
| ||
pause. Beeps stop after fifth |
|
|
|
|
iteration but LEDs continue |
|
|
|
|
until problem is solved. |
|
|
|
|
|
|
|
| |
Power LED flashes 12 times, | 12 | Health timer expired. | None. | |
once every second, followed |
|
|
|
|
by a two second pause. |
|
|
|
|
Beeps stop after third iteration |
|
|
|
|
and the computer reboots. |
|
|
|
|
|
|
|
| |
System does not power on | None | System unable to power | Press and hold the power button for less than 4 | |
and LEDs are not flashing. |
| on. | seconds. If the hard drive LED turns green, the | |
|
|
| power button is working correctly. Replace the | |
|
|
| system board. |
OR