The battery is typically glued with double-sided foam tape. Slide a plastic spudger under the battery and twist gently. Alternatively, use isopropyl alcohol to weaken the adhesive.
The (Complementary Metal-Oxide-Semiconductor) battery is a small, coin-cell battery (typically CR2032) on the motherboard. In an Intel NUC, its primary jobs are:
Do not use a standard CR2032 without connector unless you plan to cut and re-crimp the old wires—risk of shorting or poor contact. cmos battery failure intel nuc
for its CMOS battery connectors compared to standard aftermarket replacements.
When your sleek Intel NUC starts acting like it has amnesia, resetting its clock to 2001 or losing your custom boot order every time it’s unplugged, you’ve likely encountered a failing CMOS battery. While it’s a tiny CR2032 lithium cell, its failure can cause "cursed" symptoms ranging from simple time errors to the system refusing to POST (Power On Self Test) entirely. Solved: NUC replacing CMOS battery - Intel Community The battery is typically glued with double-sided foam tape
Some NUCs require a manual clear:
You must remove the motherboard completely. Disconnect Wi-Fi antennas, SATA cable, fan header, and front panel connector. Unscrew the 3–4 motherboard screws, then lift board carefully. When your sleek Intel NUC starts acting like
(varies by NUC model)