If a station isn't available, create some ESD protection by wearing an anti-static wrist strap attached to a metal part of the chassis. Apply the procedures described here only at an ESD workstation using an anti-static wrist strap and a conductive foam pad. Electrostatic discharge (ESD) can damage components.Take care when removing the motherboard from the chassis to prevent board damage. The battery is located on the underside of the motherboard in most Intel NUC models.Connect the wires to the battery connector.Place the battery onto the board next to the thermal solution.Remove the paper backing from the battery adhesive pad.Unplug the battery wires from the onboard connector and remove the battery.Remove the board from the chassis to access the battery on the processor side of the board.Disconnect all peripheral devices attached to the Intel NUC.Disconnect the power cord from the computer or the AC power source (electrical outlet or power adapter).The error message CMOS Battery Low appears when the computer starts.įollow these steps to replace the CMOS battery:.Date and time values in BIOS might not be accurate.If the battery and standby current both fail: To find a replacement, search the Internet for CR2032 with wire or CR2032 with Molex connector and purchase through an online retailer.CR2032 batteries with a wire and Molex connector may not be locally available. Intel does not provide battery replacements.The location of the battery varies depending on the Intel® NUC model.The CMOS battery is connected to an onboard header on the processor side of the board by a 1x2 connector (Molex 51021-0200). The clock is accurate to ☑3 minutes/year. When the computer is plugged in, the standby current from the power supply extends the life of the battery. The battery has an estimated life of three years when your Intel® NUC isn't plugged into an AC power source. A coin-cell battery (CR2032) powers the real-time clock and CMOS (complementary metal-oxide-semiconductor) memory.
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