| A Lenovo optional device that was installed does not work. | - Make sure that:
- The device is designed for the server. Go to: the 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.
- Reset the device that you installed.
- Replace the device that you installed.
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| A Lenovo optional device that worked previously does not work now. | - Make sure that all of the cable connections for the device are secure.
- If the device comes with test instructions, use those instructions to test the device.
- Reseat the failing device.
- Replace the failing device.
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