Thecus N5200B, N5200BR User Manual page 41

Click Start to begin the file system check. Click Back to return to the previous
screen. Click Reboot to reboot the system.
When the file system check is run, the system will show 20 lines of information
until it is complete. Once complete, the results will be shown at the bottom.
The system must be rebooted before the N5200 can function normally.
NOTE
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