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Optional-device problems

Use this information to solve optional-device problems.

  • Follow the suggested actions in the order in which they are listed in the Action column until the problem is solved.
  • See Parts listing, Lenovo System x3550 M3 Type 4254 and 7944 to determine which components are customer replaceable units (CRU) and which components are field replaceable units (FRU).
  • If an action step is preceded by (Trained service technician only), that step must be performed only by a Trained service technician.
  • Go to the IBM support website at Lenovo Data Center Support to check for technical information, hints, tips, and new device drivers or to submit a request for information.
An IBM optional device that was just installed does not work.
  1. Make sure that:
    • The device is designed for the server (see Lenovo ServerProven website).
    • You followed the installation instructions that came with the device and the device is installed correctly.
    • You have not loosened any other installed devices or cables.
    • You updated the configuration information in the Setup utility. Whenever memory or any other device is changed, you must update the configuration.
  2. Reseat the device that you just installed.
  3. Replace the device that you just installed.
An IBM optional device that worked previously does not work now.
  1. Make sure that all of the cable connections for the device are secure.
  2. If the device comes with test instructions, use those instructions to test the device.
  3. If the failing device is a SCSI device, make sure that:
    • The cables for all external SCSI devices are connected correctly.
    • The last device in each SCSI chain, or the end of the SCSI cable, is terminated correctly.
    • Any external SCSI device is turned on. You must turn on an external SCSI device before you turn on the server.
  4. Reseat the failing device.
  5. Replace the failing device.