POST Error Messages
POST Diagnostic Front Panel LEDs and Audible Codes (Continued)Activity | Beeps Possible Cause | Recommended Action |
Power LED flashes | None | |
six times, once |
| graphics error. |
every second, |
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followed by a two |
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second pause. |
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LEDs continue until |
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problem is solved. |
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For systems with a graphics card:
Reseat the graphics card. Power on the system.
Replace the graphics card. Replace the system board.
For systems with integrated graphics, replace the system board.
Power LED flashes | None | Invalid ROM | Reflash the ROM with the latest BIOS |
eight times, once |
| based on bad | image. See the “ROM Flash” section of the |
every second, |
| checksum. | Desktop Management Guide on the |
followed by a two |
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| Documentation and Diagnostics CD. |
second pause. |
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| Replace the system board. |
LEDs continue until |
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problem is solved. |
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System does not | None | System unable to | Press and hold the power button for less |
power on and |
| power on. | than 4 seconds. If the hard drive LED turns |
LEDs are not |
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| green, then: |
flashing. |
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| Check that the voltage selector, located on |
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| the rear of the power supply, is set to the |
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| appropriate voltage. Proper voltage |
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| setting depends on your region. |
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| Remove the expansion cards one at a time |
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| until the LED light on the system board |
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| turns on. |
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| Replace the system board. |
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| OR |
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| Press and hold the power button for less |
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| than 4 seconds. If the hard drive LED does |
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| not turn on green then: |
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| Check that the unit is plugged into a |
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| working AC outlet. |
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| Open hood and check that the power |
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| button harness is properly connected to |
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| the system board. |
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| Check that both power supply cables are |
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| properly connected to the system board. |
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| Check to see if the LED light on the system |
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| board is turned on. If it is turned on, then |
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| replace the power button harness. |
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| If the LED light on the system board is not |
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| turned on, then replace the power supply. |
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| Replace the system board. |
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Service Reference Guide, dx2200 MT |