Samsung 820DXn Service Manual page 63

4. Troubleshooting
Must Do's after change the Board
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1. Main Board
Check the adjusted PC color status
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DDC Input (Input both Analog and Digital)
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Reset after entering the Service mode and turn off the Hard power.
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2. Network Board
Press Info and check the version of Network.
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Check the versions of FDM and BIOS and see if they are the same as the version of the server program.
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If the version is different, refer to the descriptions above and upgrade the program.
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Upgrade the program and turn the power off/on.
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Check if there are DIMM memory and Battery.
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