Dell Wyse 5470, Руководство по обслуживанию

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Blinking pattern Possible problem Suggested resolution
Amber White
2 3 No Memory/ RAM detected Confirm that the memory module is installed properly. If
problem persists, replace the memory module
2 4 Memory/RAM failure Replace the memory module
2 5 Invalid memory installed Replace the memory module
2 6 System board/Chipset Error/Clock failure/Gate A20
failure/Super IO failure/Keyboard controller failure Replace the system board
2 7 LCD failure Replace the LCD
3 1 RTC power failure Replace the CMOS battery
3 2 PCI or Video card/chip failure Replace the system board
3 3 BIOS Recovery image not found Flash latest BIOS version. If problem persists, replace
the system board
3 4 BIOS Recovery image found but invalid Flash latest BIOS version. If problem persists, replace
the system board
Power behavior
Table 18. 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.
Connect a Dell xxxxxxW AC adapter or
greater for best system performance.
AC adapter power is less than power state
of CPU. No boot or error message, but the system
shuts down. If the system is able to boot:
Alert—xxxxxxW AC power adapter has
been detected, which is less than the
recommended xxxxxxW AC adapter
originally shipped. The system is unable to
boot. Please connect a Dell xxxxxxW AC
adapter or greater for best system
performance. Press any key to shut down.
78 Troubleshooting your system