How to Replace a CMOS Laptop Batteries

All desktop and laptop batteries 4 US computers use a special battery called a Complementary Metal Oxide Semiconductor (CMOS) battery which stores information about your computer, such as the date and time, when the machine is powered off. Snap off the battery cover if your motherboard has one and then remove the CMOS Dell inspiron 1750 battery by simply pulling it out of its holder. Push the replacement, Dell inspiron 6400 battery back into the battery slot and pop the cover back down. Wait to see if the computer changes to a prompt asking for the Dell inspiron e1705 battery information or if it boots directly to the desktop.