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Troubleshooting your system
You can troubleshoot your system using indicators like diagnostic lights, and error messages during the operation of the device.
Topics:
Power state and LED status
Power behavior
Power LED error code behavior
Power state and LED status
Table 25. Power states and LED behavior
Indicator Symptoms Description
Power LED
Solid white Thin client is in working—S0 state.
Breathing white Thin client is in sleep—S3 state.
O Thin client is in o state.
Solid amber Thin client booting is in progress.
Blinking amber Bad power supply.
NOTE: Press and hold the power button for at least 4 seconds to shut down the thin client forcibly.
Power behavior
Table 26. Power behavior
AC adapter System behavior POST error message
AC adapter power is greater than or equal to
the system power requirement at full CPU
speed.
System boots normally and allows CPU to
run at full speed.
None
AC adapter Power is less than the system
power requirements at full CPU speed.
Lower the maximum CPU speed to a value
that does not exceed the power available by
the AC adapter.
Alert—xxxxxxW AC power adapter has
been detected, which is less than the
recommended xxxxxxW AC adapter
originally shipped. The system adjusts the
performance to match the power available.
Connect a Dell xxxxxxW AC adapter or
greater for best system performance.
AC adapter is not genuine Dell. Limit the CPU speed to the lowest possible
value.
Alert—xxxxxxW AC power adapter has
been detected, which is less than the
recommended xxxxxxW AC adapter
originally shipped. The system adjusts the
performance to match the power available.
10
46 Troubleshooting your system
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