Dell Inspiron 23 (2350, Mid 2013) - Manual (Page 100)

Clearing CMOS Settings
WARNING: Before working inside your computer, read the safety
information that shipped with your computer and follow the steps in
Before Working Inside Your Computer . After working inside your
computer, follow the instructions in After Working Inside Your
Computer . For more safety best practices, see the Regulatory
Compliance home page at dell.com/regulatory_compliance.
1 Remove the base cover .
2 Follow the procedure given in step 1 in “Removing the Coin-Cell Battery ”.
3 Wait for approximately five seconds to clear the CMOS settings.
4 Follow the procedure given in step 2 in “Replacing the
Coin-Cell Battery ”.
5 Replace the base cover .
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