Chapter 5 Troubleshooting the System Hardware
Table | Diagnostic Front Panel LEDs and Beep Codes (continued) | |
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Control Panel Message | Description | |
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Network Server Mode Active and No Keyboard | Keyboard failure while Network Server Mode | |
Attached |
| enabled. |
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Parity Check 2 |
| Parity RAM failure. |
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System will not boot without fan | CPU fan not installed or disconnected in VSFF | |
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Interpreting POST Diagnostic Front Panel LEDs and Beep Codes
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| This section covers the front panel LED codes as well as the beep codes that may | ||||
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| occur before or during POST that do not necessarily have an error code or text | ||||
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| message associated with them. |
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| Table | ||||
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| Caution There are no | ||||||
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| service technician. Once you have identified a faulty component, contact the | ||||
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| Cisco Technical Assistance Center (TAC). |
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Table | POST Diagnostic Front Panel LEDs and Beep Codes |
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Activity |
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| Beeps | Possible Cause |
| Recommended Action |
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Green Power LED On. | None | Computer on. |
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Green Power LED flashes | None | Computer in Suspend to |
| None required. Press any key or | |||
every two seconds. |
| RAM mode (some models |
| move the mouse to wake the | |||
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| only) or normal Suspend |
| computer. |
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| mode. |
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| Cisco Wide Area Virtualization Engine 274 and 474 Hardware Installation Guide |
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