Dell PowerVault 715N (Rackmount NAS Appliance) - Manual (Page 32)

6. Replace the system cover .
7. Reconnect the system to the electrical outlet, and then turn on the system power.
8. Enter the BIOS Setup utility to confirm that the battery operates properly.
9. Enter the correct time and date through the BIOS Setup utility's Standard CMOS Setup settings.
Also, re-enter any system configuration information that is no longer displayed on the BIOS Setup screens, and
then exit the BIOS Setup utility.
10. To test the newly installed battery, shut down and disconnect the system from the electrical source for at least an
hour.
11. After an hour, connect the system to an electrical source and turn on the power.
12. Enter the BIOS Setup utility and if the time and date are still incorrect, replace the system board .
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