Samsung R710 Service Manual page 160

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4. Troubleshooting
(4) HDD and ODD Related Problems
For an HDD, check if the HDD operates in Ultra DMA Mode 5 by selecting the Primary IDE
Channel in the Control Panel as follows. If it does not, check the BIOS SETUP, reinstall the
operating system or replace the HDD-FPC or HDD, if necessary.
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