Question about Dell PowerEdge 1850 (PE1850) Server

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Server is located in an extremely dusty environment. Removed the cover, blew out the dust, reseated the cover and placed in the rack. Power appears to be adequate, however, when I push the button to power the server up, it no longer works. I made no changes to the hardware whatsoever.

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You may have dislodge a cable or connector when you removed the dust.
Try re-seating the RAM modules, the cards in the PCI expansion slots and all the connectors and cables.

Posted on Oct 02, 2010

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  • kenneth_t363 Oct 02, 2010

    Checked all connectors, specifically fans and all other cabling. Reseatted the RAM, still steady AMBER/YELLOW/ORANGE light. The odd thing is that I have four Dell 1850 servers and they are all exibiting the same behavior.

  • Chris Hingee
    Chris Hingee Oct 02, 2010

    It is strange that all the servers are having the same problem.
    Do you have power surge protection on all these servers?
    If not, all the servers could have been damaged by lightning strike on the power line.
    For file servers I would recommend you install a UPS (uninterrupted power supply) on each of the servers or one large UPS for all the servers.

    Work on one of the servers to determine the fault.
    Can you bet into the BIOS? If so check the settings, does it detect the hard disk, RAM, is the date

  • kenneth_t363 Oct 02, 2010

    I have made sure the systems were 110/220 auto-sensing and they are. I have looked all over the box to see if there is a switch they would change it otherwise, but to no avail. I can't get to the BIOS as I can't get it to power the server up. There is no audible alarm, no case fan starts. The power supplies show green and I have tried using four different UPS with anywhere from 40% to 0% load on them. The boxes are getting power, but it appears power is not getting from the power supplies to the system itself. I can see a single, perhaps even two of the power supplies being bad... But not all eight.

  • Chris Hingee
    Chris Hingee Oct 03, 2010

    It sounds like a power supply problem. It is possible that a power outage or lightning strike could have killed the power supplies in all the servers.
    Try to install a known good switch mode power supply inside one of the servers to see if you can get the server to boot up.
    Test the server's power supply with a load tester and measure the output voltages on the connectors. The main voltages to look for are 5volts, -5volts and 12volts.
    If you are unable to test the power supply, take them to your friendly computer repair shop and get them to test the power supplies for you.

  • kenneth_t363 Oct 03, 2010

    Appreciate the help. It has since been learned that all four of these systems may have been damaged in the past ans that the power supplies are a collective lot of ones that may have gone bad. I think, we were stumped from the beginning. Again, I appreciate your backing me up in my processes.


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Try to remove the RAM and other connected peripherals and then insert it again, maybe some parts was moved after you had cleaned the server, see to it---the RAM and connectors are inserted properly.

Hope I was able to help.

Posted on Oct 02, 2010

  • kenneth_t363 Oct 02, 2010

    Checked all connectors, specifically fans and all other cabling. Reseatted the RAM, still steady AMBER/YELLOW/ORANGE light. The odd thing is that I have four Dell 1850 servers and they are all exibiting the same behavior.



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