Removing the CMOS battery
You must remove the system board complementary metal-oxide semiconductor (CMOS), or system board, battery to replace it or to perform routine maintenance.
Before you begin
This product was designed with your safety in mind. The lithium battery must be handled correctly to avoid possible danger. If you replace the battery, you must adhere to all safety instructions.
Use the reference numbers in parentheses at the end of each notice (for example, D005) to find the matching translated notice in .