CAUTION: Before you begin this procedure, follow the steps in "Safety Instructions."
A coin-cell battery maintains computer configuration, date, and time information. The battery can last several years.
The battery may need replacing if an incorrect time or date is displayed during the boot routine along with a message such as:
Time-of-day not set - please run SETUP program
or
Invalid configuration information -
please run SETUP program
or
Strike the F1 key to continue,
F2 to run the setup utility
To determine whether you need to replace the battery, reenter the time and date in system setup and exit the program to save the information. Turn off your computer and disconnect it from the electrical outlet for a few hours, then reconnect the computer, turn it on, and enter system setup. If the date and time are not correct in system setup, replace the battery.
You can operate your computer without a battery; however, without a battery, the configuration information is erased if the computer is turned off or unplugged from the electrical outlet. In this case, you must enter system setup and reset the configuration options.
CAUTION: A new battery can explode if it is incorrectly installed. Replace the battery only with the same or equivalent type recommended by the manufacturer. Discard used batteries according to the manufacturer's instructions.
If you have not already done so, make a copy of your configuration
information, found in system setup (see "System Setup").
NOTICE: If you pry the battery out of its socket with a blunt object, be
careful not to touch the system board with the object. Ensure that the object is
inserted between the battery and the socket before you attempt to pry out the
battery. Otherwise, you may damage the system board by prying off the socket
or by breaking circuit traces on the system board.
Remove the battery by carefully prying it out of its socket with your
fingers or with a blunt, nonconducting object such as a plastic
screwdriver.
Insert the new battery into the socket with the side labeled "+" facing
up, and snap the battery into place.
NOTICE: To connect a network cable, first plug the cable into the network
wall jack, and then plug it into the computer.
Close the computer cover, and plug your computer and devices into
electrical outlets.
TRADEMARKS: Celeron, Celeron Inside, Core Inside, Intel, Intel Logo, Intel Atom, Intel Atom Inside, Intel Core, Intel Inside, Intel Inside Logo, Intel Viiv, Intel vPro, Itanium, Itanium Inside, Pentium, Pentium Inside, Viiv Inside, vPro Inside, Xeon, and Xeon Inside are trademarks of Intel Corporation in the U.S. and other countries. For more information about the Intel processor feature rating, please refer to www.intel.com/go/rating
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