7.Replace the left computer cover, reconnect the computer and peripherals to their power sources, and turn them on.
8.Enter the system setup program to confirm that the RTC chip is operating properly.
Enter the correct time and date through the system setup program’s System Time and System Date cate- gories on the Main menu. Also reenter any system configuration information that is no longer displayed on the system setup screens, and then exit the system setup program. See Chapter 4, “Using the System Setup Program,” in the system User’s Guide for more information.
9.Turn the computer and peripherals off, and leave them off for at least an hour.
10.After an hour, turn on the system and enter the system setup program. If the time and date are still incorrect, see Chapter 11, “Getting Help,” for instructions on obtaining technical assistance.