Dell Wyse 5470 Service Manual
Also see for Wyse 5470: Service manual
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Contents
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Blinking pattern Possible problem Suggested resolutionAmber White2 3 No Memory/ RAM detected Confirm that the memory module is installed properly. Ifproblem persists, replace the memory module2 4 Memory/RAM failure Replace the memory module2 5 Invalid memory installed Replace the memory module2 6 System board/Chipset Error/Clock failure/Gate A20failure/Super IO failure/Keyboard controller failureReplace the system board2 7 LCD failure Replace the LCD3 1 RTC power failure Replace the CMOS battery3 2 PCI or Video card/chip failure Replace the system board3 3 BIOS Recovery image not found Flash latest BIOS version. If problem persists, replacethe system board3 4 BIOS Recovery image found but invalid Flash latest BIOS version. If problem persists, replacethe system boardPower behaviorTable 18. Power behaviorAC adapter System behavior POST error messageAC adapter power is greater than or equal tothe system power requirement at full CPUspeed.System boots normally and allows CPU torun at full speed.NoneAC adapter Power is less than the systempower requirements at full CPU speed.Lower the maximum CPU speed to a valuethat does not exceed the power available bythe AC adapter.Alert—xxxxxxW AC power adapter hasbeen detected, which is less than therecommended xxxxxxW AC adapteroriginally shipped. The system adjusts theperformance to match the power available.Connect a Dell xxxxxxW AC adapter orgreater for best system performance.AC adapter is not genuine Dell. Limit the CPU speed to the lowest possiblevalue.Alert—xxxxxxW AC power adapter hasbeen detected, which is less than therecommended xxxxxxW AC adapteroriginally shipped. The system adjusts theperformance to match the power available.Connect a Dell xxxxxxW AC adapter orgreater for best system performance.AC adapter power is less than power stateof CPU.No boot or error message, but the systemshuts down.If the system is able to boot:Alert—xxxxxxW AC power adapter hasbeen detected, which is less than therecommended xxxxxxW AC adapteroriginally shipped. The system is unable toboot. Please connect a Dell xxxxxxW ACadapter or greater for best systemperformance. Press any key to shut down.78 Troubleshooting your system |
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